{ "version": 1, "reviewedAt": "2026-10-31", "groups": [ { "id": "review-001", "canonicalId": "os-greenspace:49E9C70D-45E0-A491-E063-8CCAA00A0EF3", "memberIds": [ "council:07dfcb04bbb14f519e2e3cd7f7437a22-0:18", "os-greenspace:49E9C70D-45E0-A491-E063-8CCAA00A0EF3" ], "reason": "The official council object18 and current OSM way275264722 share the exact UPRN10004672194, in addition to the same distinctive name. The official point lies inside both mapped footprints; OS/current OSM IoU85.97%. These are two observations of Littleton Road, despite conflicting operator wording which must remain source-specific.", "evidence": [ { "url": "https://services-eu1.arcgis.com/kkZ3q6EOlzIRG0yO/arcgis/rest/services/Allotments_view/FeatureServer/0/query?objectIds=18&outFields=%2A&outSR=4326&returnGeometry=true&f=geojson", "checkedAt": "2026-10-31" }, { "url": "https://www.salford.gov.uk/static/licensing/allotment_waiting_list.pdf", "checkedAt": "2026-10-31" }, { "url": "https://www.openstreetmap.org/way/275264722", "checkedAt": "2026-10-31" }, { "url": "https://api.openstreetmap.org/api/0.6/way/275264722/full.json", "checkedAt": "2026-10-31" }, { "url": "https://www.ordnancesurvey.co.uk/products/os-open-greenspace", "checkedAt": "2026-10-31" } ] }, { "id": "review-002", "canonicalId": "os-greenspace:49E9C762-2DA4-A491-E063-8CCAA00A0EF3", "memberIds": [ "council:232bed1896ec423fa30d6cf6d35701a0-0:40", "os-greenspace:49E9C762-2DA4-A491-E063-8CCAA00A0EF3", "os-greenspace:49E9C762-2D69-A491-E063-8CCAA00A0EF3" ], "reason": "The council Burley Model contact uses the association lettings email and lies in the main named footprint; main OS/current OSM IoU98.25%. The additional northern OS parcel is separately mapped but both current OSM ways8003177 and27144571 name Burley Model and explicitly cite the same association website. The association describes one self-managed site exceeding8acres: combined OS parcels cover approximately8.27acres (main alone6.88acres). The association current history explicitly describes its one site on both sides of Beechwood Crescent, resolving the older council planning inventory which labels the northern0.574ha parcel Beechwood Crescent separately. Consolidate the three directory observations into one operating-site identity while retaining both distinct parcels.", "evidence": [ { "url": "https://services1.arcgis.com/brSffcdOV7o1pDVT/arcgis/rest/services/Allotments_contacts/FeatureServer/0/query?objectIds=40&outFields=%2A&outSR=4326&returnGeometry=true&f=geojson", "checkedAt": "2026-10-31" }, { "url": "https://www.burleymodelallotments.org/history", "checkedAt": "2026-10-31" }, { "url": "https://www.burleymodelallotments.org/join-us", "checkedAt": "2026-10-31" }, { "url": "https://www.burleymodelallotments.org/allotment-operation", "checkedAt": "2026-10-31" }, { "url": "https://www.burleymodelallotments.com/history", "checkedAt": "2026-10-31" }, { "url": "https://www.leeds.gov.uk/sites/default/files/docs/5%20north%20gs%20background%20paper%2022-04-13.pdf", "checkedAt": "2026-10-31" }, { "url": "https://www.openstreetmap.org/way/27144571", "checkedAt": "2026-10-31" }, { "url": "https://api.openstreetmap.org/api/0.6/way/27144571/full.json", "checkedAt": "2026-10-31" }, { "url": "https://www.openstreetmap.org/way/8003177", "checkedAt": "2026-10-31" }, { "url": "https://api.openstreetmap.org/api/0.6/way/8003177/full.json", "checkedAt": "2026-10-31" }, { "url": "https://www.ordnancesurvey.co.uk/products/os-open-greenspace", "checkedAt": "2026-10-31" } ] }, { "id": "review-005", "canonicalId": "os-greenspace:49E9C797-A393-A491-E063-8CCAA00A0EF3", "memberIds": [ "council:ea76788b5a144f93b44aed90fc5803f1-0:10", "os-greenspace:49E9C797-A393-A491-E063-8CCAA00A0EF3" ], "reason": "The exact official Oxford object10 is named Barracks Lane(The Links); it matches the OS Barracks Lane(Links) footprint at98.57%IoU and the points differ only1.27m. The Oxford directory lists this distinctive Links site separately. This is direct source-geometry/name agreement, not a generic nearby-name inference.", "evidence": [ { "url": "https://services-eu1.arcgis.com/tnmBQqa3VPEwVeKN/arcgis/rest/services/G4___Allotments/FeatureServer/0/query?objectIds=10%2C28%2C31&outFields=%2A&outSR=4326&returnGeometry=true&f=geojson", "checkedAt": "2026-10-31" }, { "url": "https://www.oxford.gov.uk/allotments", "checkedAt": "2026-10-31" }, { "url": "https://www.openstreetmap.org/way/23945728", "checkedAt": "2026-10-31" }, { "url": "https://api.openstreetmap.org/api/0.6/way/23945728/full.json", "checkedAt": "2026-10-31" }, { "url": "https://www.ordnancesurvey.co.uk/products/os-open-greenspace", "checkedAt": "2026-10-31" } ] }, { "id": "review-006", "canonicalId": "os-greenspace:49E9C76D-8B25-A491-E063-8CCAA00A0EF3", "memberIds": [ "council:ea76788b5a144f93b44aed90fc5803f1-0:28", "os-greenspace:49E9C76D-8B25-A491-E063-8CCAA00A0EF3" ], "reason": "Official Oxford object28 and OS describe Barns Court with punctuation differences. Their footprints have97.97%IoU and the points are0.215m apart; current OSM24291905 provides the same named boundary. Nearby Bartholomew Road and Van Diemans Lane have separate non-overlapping footprints and are excluded.", "evidence": [ { "url": "https://services-eu1.arcgis.com/tnmBQqa3VPEwVeKN/arcgis/rest/services/G4___Allotments/FeatureServer/0/query?objectIds=10%2C28%2C31&outFields=%2A&outSR=4326&returnGeometry=true&f=geojson", "checkedAt": "2026-10-31" }, { "url": "https://www.oxford.gov.uk/allotments", "checkedAt": "2026-10-31" }, { "url": "https://www.openstreetmap.org/way/24291905", "checkedAt": "2026-10-31" }, { "url": "https://api.openstreetmap.org/api/0.6/way/24291905/full.json", "checkedAt": "2026-10-31" }, { "url": "https://www.ordnancesurvey.co.uk/products/os-open-greenspace", "checkedAt": "2026-10-31" } ] }, { "id": "review-007", "canonicalId": "os-greenspace:49E9C76D-5D24-A491-E063-8CCAA00A0EF3", "memberIds": [ "council:ea76788b5a144f93b44aed90fc5803f1-0:31", "os-greenspace:49E9C76D-5D24-A491-E063-8CCAA00A0EF3" ], "reason": "Official Oxford object31 Osney St Thomas matches the OS Twenty Pound Meadow footprint at97.83%IoU. Current OSM22463184 explicitly records Osney St Thomas Allotments as alt_name of Twenty Pound Meadow, corroborating the shipped alias. Oxford lists the Osney St Thomas Botley Road site. Consolidate the two source names, retaining both aliases and all source contacts.", "evidence": [ { "url": "https://services-eu1.arcgis.com/tnmBQqa3VPEwVeKN/arcgis/rest/services/G4___Allotments/FeatureServer/0/query?objectIds=10%2C28%2C31&outFields=%2A&outSR=4326&returnGeometry=true&f=geojson", "checkedAt": "2026-10-31" }, { "url": "https://www.oxford.gov.uk/directory-record/184/osney-st-thomas-botley-road", "checkedAt": "2026-10-31" }, { "url": "https://www.openstreetmap.org/way/22463184", "checkedAt": "2026-10-31" }, { "url": "https://api.openstreetmap.org/api/0.6/way/22463184/full.json", "checkedAt": "2026-10-31" }, { "url": "https://www.ordnancesurvey.co.uk/products/os-open-greenspace", "checkedAt": "2026-10-31" } ] }, { "id": "review-008", "canonicalId": "os-greenspace:49E9C6FA-AF9E-A491-E063-8CCAA00A0EF3", "memberIds": [ "council:f395f38c4cdd4bd8b35390ef3eb80207-layer:102", "os-greenspace:49E9C6FA-AF9E-A491-E063-8CCAA00A0EF3" ], "reason": "Official Bristol object102 SITE_CODE=CFA is Clancys Farm; it matches the apostrophe variant OS Clancy's Farm at86.24%IoU, with both points inside the shared physical site. Current OSM240558243 has the same distinctive name and overlapping footprint. Wedmore Vale, St Johns Crescent and Redcatch East remain separate.", "evidence": [ { "url": "https://maps2.bristol.gov.uk/server2/rest/services/ext/ll_leisure_and_culture/MapServer/18/query?objectIds=102%2C107%2C32%2C48%2C51%2C54%2C79%2C93%2C95&outFields=%2A&outSR=4326&returnGeometry=true&f=geojson", "checkedAt": "2026-10-31" }, { "url": "https://www.openstreetmap.org/way/240558243", "checkedAt": "2026-10-31" }, { "url": "https://api.openstreetmap.org/api/0.6/way/240558243/full.json", "checkedAt": "2026-10-31" }, { "url": "https://www.ordnancesurvey.co.uk/products/os-open-greenspace", "checkedAt": "2026-10-31" } ] }, { "id": "review-009", "canonicalId": "os-greenspace:49E9C724-21CD-A491-E063-8CCAA00A0EF3", "memberIds": [ "council:f395f38c4cdd4bd8b35390ef3eb80207-layer:107", "os-greenspace:49E9C724-21CD-A491-E063-8CCAA00A0EF3", "osm:way/1452384723" ], "reason": "Official Bristol object107 SITE_CODE=GOR and the named OS footprint have94.74%IoU. The extra unnamed current OSM way1452384723 matches council107 at95.995%IoU and OS at95.984%IoU, establishing a third observation of this same community allotment. The separate named OSM way218732302 does NOT overlap this site; it matches Packers Annexe instead and must not be pulled into Gordon Road by its name.", "evidence": [ { "url": "https://maps2.bristol.gov.uk/server2/rest/services/ext/ll_leisure_and_culture/MapServer/18/query?objectIds=102%2C107%2C32%2C48%2C51%2C54%2C79%2C93%2C95&outFields=%2A&outSR=4326&returnGeometry=true&f=geojson", "checkedAt": "2026-10-31" }, { "url": "https://www.openstreetmap.org/way/1452384723", "checkedAt": "2026-10-31" }, { "url": "https://api.openstreetmap.org/api/0.6/way/1452384723/full.json", "checkedAt": "2026-10-31" }, { "url": "https://www.ordnancesurvey.co.uk/products/os-open-greenspace", "checkedAt": "2026-10-31" } ] }, { "id": "review-009-additional-1", "canonicalId": "os-greenspace:49E9C724-2193-A491-E063-8CCAA00A0EF3", "memberIds": [ "os-greenspace:49E9C724-2193-A491-E063-8CCAA00A0EF3", "osm:way/218732302" ], "reason": "A separate neighbour merge, never into Gordon Road: current OSM218732302 (road-name label Gordon Road) has94.32%IoU with the OS Packers Annexe footprint, and official Bristol object47 SITE_CODE=PAA has95.24%IoU with that OS footprint. All three physical boundaries identify Packers Annexe; both are disjoint from official Gordon Road GOR/107. Preserve nearby Packers main site separately.", "evidence": [ { "url": "https://api.openstreetmap.org/api/0.6/way/218732302/full.json", "checkedAt": "2026-10-31" }, { "url": "https://maps2.bristol.gov.uk/server2/rest/services/ext/ll_leisure_and_culture/MapServer/18/query?where=1%3D1&outFields=%2A&outSR=4326&returnGeometry=true&f=geojson", "checkedAt": "2026-10-31" } ], "overrides": { "removeActiveAliases": [ "Gordon Road Allotments" ] } }, { "id": "review-010", "canonicalId": "os-greenspace:49E9C725-0317-A491-E063-8CCAA00A0EF3", "memberIds": [ "council:f395f38c4cdd4bd8b35390ef3eb80207-layer:32", "os-greenspace:49E9C725-0317-A491-E063-8CCAA00A0EF3", "osm:way/15503492" ], "reason": "Official Bristol object32 Troopers Hill The Farm and OS Troopers Hill Farm have93.00%IoU. The extra OSM way15503492 is named The Farm, identifies Bristol East Allotment Association, matches the official footprint at94.88%IoU, and the operator explicitly places its The Farm site atop Troopers Hill. Merge all three observations, retaining The Farm alias and operator source.", "evidence": [ { "url": "https://maps2.bristol.gov.uk/server2/rest/services/ext/ll_leisure_and_culture/MapServer/18/query?objectIds=102%2C107%2C32%2C48%2C51%2C54%2C79%2C93%2C95&outFields=%2A&outSR=4326&returnGeometry=true&f=geojson", "checkedAt": "2026-10-31" }, { "url": "https://beaa.co.uk/sites/the-farm", "checkedAt": "2026-10-31" }, { "url": "https://www.openstreetmap.org/way/15503492", "checkedAt": "2026-10-31" }, { "url": "https://api.openstreetmap.org/api/0.6/way/15503492/full.json", "checkedAt": "2026-10-31" }, { "url": "https://www.ordnancesurvey.co.uk/products/os-open-greenspace", "checkedAt": "2026-10-31" } ] }, { "id": "review-011", "canonicalId": "os-greenspace:49E9C724-E3ED-A491-E063-8CCAA00A0EF3", "memberIds": [ "council:f395f38c4cdd4bd8b35390ef3eb80207-layer:48", "os-greenspace:49E9C724-E3ED-A491-E063-8CCAA00A0EF3" ], "reason": "Official Bristol object48 SITE_CODE=WHI and the identically named OS footprint have98.17%IoU; current OSM218730834 also names Whitefield Road. The council access-only feature58 and Speedwell are separate records, not silently included as allotment-site duplicates.", "evidence": [ { "url": "https://maps2.bristol.gov.uk/server2/rest/services/ext/ll_leisure_and_culture/MapServer/18/query?objectIds=102%2C107%2C32%2C48%2C51%2C54%2C79%2C93%2C95&outFields=%2A&outSR=4326&returnGeometry=true&f=geojson", "checkedAt": "2026-10-31" }, { "url": "https://www.openstreetmap.org/way/218730834", "checkedAt": "2026-10-31" }, { "url": "https://api.openstreetmap.org/api/0.6/way/218730834/full.json", "checkedAt": "2026-10-31" }, { "url": "https://www.ordnancesurvey.co.uk/products/os-open-greenspace", "checkedAt": "2026-10-31" } ] }, { "id": "review-012", "canonicalId": "os-greenspace:49E9C725-0804-A491-E063-8CCAA00A0EF3", "memberIds": [ "council:f395f38c4cdd4bd8b35390ef3eb80207-layer:51", "os-greenspace:49E9C725-0804-A491-E063-8CCAA00A0EF3" ], "reason": "Official Bristol object51 SITE_CODE=SHA and the OS Association footprint have92.62%IoU. Current OSM999609915 identifies Bristol East Allotment Association and the operator lists its14-plot Stibbs Hill site off Hillside Road. This is the association site, distinct from council object93 SITE_CODE=STI in review015; preserve both neighbouring operating sites.", "evidence": [ { "url": "https://maps2.bristol.gov.uk/server2/rest/services/ext/ll_leisure_and_culture/MapServer/18/query?objectIds=102%2C107%2C32%2C48%2C51%2C54%2C79%2C93%2C95&outFields=%2A&outSR=4326&returnGeometry=true&f=geojson", "checkedAt": "2026-10-31" }, { "url": "https://beaa.co.uk/sites/stibbs-hill", "checkedAt": "2026-10-31" }, { "url": "https://www.openstreetmap.org/way/999609915", "checkedAt": "2026-10-31" }, { "url": "https://api.openstreetmap.org/api/0.6/way/999609915/full.json", "checkedAt": "2026-10-31" }, { "url": "https://www.ordnancesurvey.co.uk/products/os-open-greenspace", "checkedAt": "2026-10-31" } ] }, { "id": "review-013", "canonicalId": "os-greenspace:49E9C721-E327-A491-E063-8CCAA00A0EF3", "memberIds": [ "council:f395f38c4cdd4bd8b35390ef3eb80207-layer:54", "os-greenspace:49E9C721-E327-A491-E063-8CCAA00A0EF3" ], "reason": "Official Bristol object54 SITE_CODE=SIR and OS Sir John's Lane have97.54%IoU with the same distinctive name. Current OSM15243835 corroborates the same footprint. Apostrophe variation does not identify a separate site.", "evidence": [ { "url": "https://maps2.bristol.gov.uk/server2/rest/services/ext/ll_leisure_and_culture/MapServer/18/query?objectIds=102%2C107%2C32%2C48%2C51%2C54%2C79%2C93%2C95&outFields=%2A&outSR=4326&returnGeometry=true&f=geojson", "checkedAt": "2026-10-31" }, { "url": "https://www.openstreetmap.org/way/15243835", "checkedAt": "2026-10-31" }, { "url": "https://api.openstreetmap.org/api/0.6/way/15243835/full.json", "checkedAt": "2026-10-31" }, { "url": "https://www.ordnancesurvey.co.uk/products/os-open-greenspace", "checkedAt": "2026-10-31" } ] }, { "id": "review-014", "canonicalId": "os-greenspace:49E9C721-1C10-A491-E063-8CCAA00A0EF3", "memberIds": [ "council:f395f38c4cdd4bd8b35390ef3eb80207-layer:79", "osm:way/164180027", "os-greenspace:49E9C721-1C10-A491-E063-8CCAA00A0EF3" ], "reason": "Official Bristol object79 SITE_CODE=TYN and named current OSM164180027 agree on Tynings Field;99.88%of that OSM polygon is inside the official site. The extra named OS Tynings Field record shares90.15%of the official footprint and contains99.26%of the OSM polygon; consolidate those three named observations. Preserve Layfield, which is separately named in official planning evidence and has no overlap with official79. The additional unnamed OSM1005588168 is mostly in the broader OS outline but outside official79; community-group evidence says it manages part of Tynings Field but does not uniquely locate this OSM object, so that fourth-row extension is not approved.", "evidence": [ { "url": "https://maps2.bristol.gov.uk/server2/rest/services/ext/ll_leisure_and_culture/MapServer/18/query?objectIds=102%2C107%2C32%2C48%2C51%2C54%2C79%2C93%2C95&outFields=%2A&outSR=4326&returnGeometry=true&f=geojson", "checkedAt": "2026-10-31" }, { "url": "https://www.bristol.gov.uk/residents/museums-parks-sports-and-culture/allotments-and-gardens/apply-for-an-allotment/allotment-finder?start=100", "checkedAt": "2026-10-31" }, { "url": "https://www.bristol.gov.uk/files/documents/7599-tpc005-local-green-space-and-reserved-open-green-space-topic-paper-november-2023", "checkedAt": "2026-10-31" }, { "url": "https://www.bristolgoodfood.org/2024/05/09/get-growing-trail-programme-2024/", "checkedAt": "2026-10-31" }, { "url": "https://www.openstreetmap.org/way/164180027", "checkedAt": "2026-10-31" }, { "url": "https://api.openstreetmap.org/api/0.6/way/164180027/full.json", "checkedAt": "2026-10-31" }, { "url": "https://www.ordnancesurvey.co.uk/products/os-open-greenspace", "checkedAt": "2026-10-31" } ] }, { "id": "review-015", "canonicalId": "os-greenspace:49E9C725-0381-A491-E063-8CCAA00A0EF3", "memberIds": [ "council:f395f38c4cdd4bd8b35390ef3eb80207-layer:93", "os-greenspace:49E9C725-0381-A491-E063-8CCAA00A0EF3" ], "reason": "Official Bristol object93 SITE_CODE=STI describes Stibbs Hill;99.93%of the matching named OS footprint is inside it, although the OS source maps only28.93%of the council site. The named official site supplies the operating identity and explains the partial map observation. Do not merge with Stibbs Hill Association SITE_CODE=SHA/review012: it is a separate official footprint and different operator listing.", "evidence": [ { "url": "https://maps2.bristol.gov.uk/server2/rest/services/ext/ll_leisure_and_culture/MapServer/18/query?objectIds=102%2C107%2C32%2C48%2C51%2C54%2C79%2C93%2C95&outFields=%2A&outSR=4326&returnGeometry=true&f=geojson", "checkedAt": "2026-10-31" }, { "url": "https://www.openstreetmap.org/way/878931740", "checkedAt": "2026-10-31" }, { "url": "https://api.openstreetmap.org/api/0.6/way/878931740/full.json", "checkedAt": "2026-10-31" }, { "url": "https://www.ordnancesurvey.co.uk/products/os-open-greenspace", "checkedAt": "2026-10-31" } ] }, { "id": "review-016", "canonicalId": "os-greenspace:49E9C721-E082-A491-E063-8CCAA00A0EF3", "memberIds": [ "council:f395f38c4cdd4bd8b35390ef3eb80207-layer:95", "os-greenspace:49E9C721-E082-A491-E063-8CCAA00A0EF3" ], "reason": "Both initial records identify Ashley Vale Association and current OSM relation20389090 explicitly names that association, its St Werburghs City Farm operator and website. The official ASA polygon/current OSM relation have92.23%IoU. However the shipped OS polygon is an aggregate spanning both ASA and the separately operated council Ashley Vale site ASH:35.50%of OS belongs to official ASH. Confirm the two association observations as one identity ONLY with the attached ODbL footprint/pin/website correction; preserve council Ashley Vale osm:relation/20389314 as its own neighbour.", "evidence": [ { "url": "https://maps2.bristol.gov.uk/server2/rest/services/ext/ll_leisure_and_culture/MapServer/18/query?objectIds=102%2C107%2C32%2C48%2C51%2C54%2C79%2C93%2C95&outFields=%2A&outSR=4326&returnGeometry=true&f=geojson", "checkedAt": "2026-10-31" }, { "url": "https://www.bristol.gov.uk/residents/museums-parks-sports-and-culture/allotments-and-gardens/apply-for-an-allotment/allotment-finder/allotment?id=5", "checkedAt": "2026-10-31" }, { "url": "https://www.bristol.gov.uk/residents/museums-parks-sports-and-culture/allotments-and-gardens/apply-for-an-allotment/allotment-finder/allotment?id=4", "checkedAt": "2026-10-31" }, { "url": "https://swcityfarm.co.uk/avaa-allotments/", "checkedAt": "2026-10-31" }, { "url": "https://www.openstreetmap.org/relation/20389090", "checkedAt": "2026-10-31" }, { "url": "https://api.openstreetmap.org/api/0.6/relation/20389090/full.json", "checkedAt": "2026-10-31" }, { "url": "https://www.ordnancesurvey.co.uk/products/os-open-greenspace", "checkedAt": "2026-10-31" } ], "overrides": { "contact": { "website": "https://swcityfarm.co.uk/avaa-allotments/", "contactEvidence": { "sourceUrl": "https://swcityfarm.co.uk/avaa-allotments/", "checkedAt": "2026-10-31", "note": "Association source-specific name/operator confirmed by Bristol current finder id5 and City Farm. The imported AllotmentViewer ColonySiteId4 link is a legacy route, not a safe current association URL. Remove ambiguous neighbour alias from active search but retain it historically. Move pin inside corrected association geometry." } } } }, { "id": "review-017", "canonicalId": "os-greenspace:49E9C6EC-5A5E-A491-E063-8CCAA00A0EF3", "memberIds": [ "os-greenspace:49E9C6EC-5A5E-A491-E063-8CCAA00A0EF3", "osm:way/89666780", "osm:way/363298103" ], "reason": "Current OSM ways89666780 and363298103 both explicitly name Priestfields Upper Site, Medway Council as operator and its allotments website. The shipped OS record already contains two separate mapped parts; the two OSM polygons jointly overlap it at80.27%IoU. Medway has one Upper Site directory entry and a separate Lower Site entry. Merge the three Upper observations and retain both parcels; Lower remains separate.", "evidence": [ { "url": "https://www.medway.gov.uk/directory_record/378/priestfields_upper_site_allotment", "checkedAt": "2026-10-31" }, { "url": "https://www.medway.gov.uk/directory/15/a_to_z/P", "checkedAt": "2026-10-31" }, { "url": "https://www.openstreetmap.org/way/363298103", "checkedAt": "2026-10-31" }, { "url": "https://api.openstreetmap.org/api/0.6/way/363298103/full.json", "checkedAt": "2026-10-31" }, { "url": "https://www.openstreetmap.org/way/89666780", "checkedAt": "2026-10-31" }, { "url": "https://api.openstreetmap.org/api/0.6/way/89666780/full.json", "checkedAt": "2026-10-31" }, { "url": "https://www.ordnancesurvey.co.uk/products/os-open-greenspace", "checkedAt": "2026-10-31" } ] }, { "id": "review-018", "canonicalId": "os-greenspace:49E9C6F2-7013-A491-E063-8CCAA00A0EF3", "memberIds": [ "os-greenspace:49E9C6F2-7013-A491-E063-8CCAA00A0EF3", "osm:way/760577203" ], "reason": "OS and current OSM760577203 share the distinctive Kings Chase name and82.67%IoU footprint. Romsey Town Council identifies its Kings Chase(former Ganger Farm)34-plot site, matching the current OSM34plots tag. No other nearby catalogue record qualifies.", "evidence": [ { "url": "https://www.romsey-tc.gov.uk/allotments_contact-869299.html", "checkedAt": "2026-10-31" }, { "url": "https://www.openstreetmap.org/way/760577203", "checkedAt": "2026-10-31" }, { "url": "https://api.openstreetmap.org/api/0.6/way/760577203/full.json", "checkedAt": "2026-10-31" }, { "url": "https://www.ordnancesurvey.co.uk/products/os-open-greenspace", "checkedAt": "2026-10-31" } ] }, { "id": "review-020", "canonicalId": "os-greenspace:49E9C6FF-BA50-A491-E063-8CCAA00A0EF3", "memberIds": [ "os-greenspace:49E9C6FF-BA50-A491-E063-8CCAA00A0EF3", "osm:way/4920647", "council:fbc28e57029346f2985ab3692324a42f-0:15" ], "reason": "OS and current OSM4920647 use Inverleith Park/Inverleith aliases and97.12%IoU footprint. The extra Edinburgh council object15 is uniquely named Inverleith Park at East Fettes Avenue; its supplied geometry is wrongly at the park interior, but its own Location attribute is55.963903079631436,-3.2200241088867188, inside this allotment footprint. Official park management/masterplan evidence identifies the same single allotment area. Consolidate all three; use the valid OS point rather than the erroneous council geometry and preserve both as source observations.", "evidence": [ { "url": "https://services-eu1.arcgis.com/FgpikkYuSUOuITxp/arcgis/rest/services/Edinburgh_Allotments_Gardens_V2/FeatureServer/0/query?objectIds=15&outFields=%2A&outSR=4326&returnGeometry=true&f=geojson", "checkedAt": "2026-10-31" }, { "url": "https://www.edinburgh.gov.uk/downloads/file/22591/inverleith-park-management-plan-2017-2022", "checkedAt": "2026-10-31" }, { "url": "https://www.edinburgh.gov.uk/downloads/file/30700/inverleith-park-concept-masterplan", "checkedAt": "2026-10-31" }, { "url": "https://www.openstreetmap.org/way/4920647", "checkedAt": "2026-10-31" }, { "url": "https://api.openstreetmap.org/api/0.6/way/4920647/full.json", "checkedAt": "2026-10-31" }, { "url": "https://www.ordnancesurvey.co.uk/products/os-open-greenspace", "checkedAt": "2026-10-31" } ] }, { "id": "review-021", "canonicalId": "os-greenspace:49E9C702-3746-A491-E063-8CCAA00A0EF3", "memberIds": [ "os-greenspace:49E9C702-3746-A491-E063-8CCAA00A0EF3", "osm:way/28093996" ], "reason": "OS/current OSM28093996 describe Mariners Asylum with only apostrophe variation and78.47%IoU;98.93%of the OSM footprint lies inside the OS site. North Tyneside official site evidence distinguishes Mariners Asylum from nearby Mariners Lane, which remains separate. Unnamed nearby polygons are disjoint and not approved for this merge.", "evidence": [ { "url": "https://legacy.northtyneside.gov.uk/sites/default/files/foi-related-files/Response%20FOI3408.pdf", "checkedAt": "2026-10-31" }, { "url": "https://www.openstreetmap.org/way/28093996", "checkedAt": "2026-10-31" }, { "url": "https://api.openstreetmap.org/api/0.6/way/28093996/full.json", "checkedAt": "2026-10-31" }, { "url": "https://www.ordnancesurvey.co.uk/products/os-open-greenspace", "checkedAt": "2026-10-31" } ] }, { "id": "review-022", "canonicalId": "os-greenspace:49E9C705-A6C3-A491-E063-8CCAA00A0EF3", "memberIds": [ "os-greenspace:49E9C705-A6C3-A491-E063-8CCAA00A0EF3", "osm:way/170604914" ], "reason": "OS/current OSM170604914 names differ only by apostrophe and share93.88%IoU. OSM explicitly cites the association Watermans page; that primary operator page and Henley Town Council distinguish Watermans from Greencroft. These observations are the same Watermans site.", "evidence": [ { "url": "https://www.henleyallotments.com/watermans", "checkedAt": "2026-10-31" }, { "url": "https://henley-on-thames-town-council.webflow.io/services/allotments", "checkedAt": "2026-10-31" }, { "url": "https://www.openstreetmap.org/way/170604914", "checkedAt": "2026-10-31" }, { "url": "https://api.openstreetmap.org/api/0.6/way/170604914/full.json", "checkedAt": "2026-10-31" }, { "url": "https://www.ordnancesurvey.co.uk/products/os-open-greenspace", "checkedAt": "2026-10-31" } ] }, { "id": "review-023", "canonicalId": "os-greenspace:49E9C708-95CC-A491-E063-8CCAA00A0EF3", "memberIds": [ "os-greenspace:49E9C708-95CC-A491-E063-8CCAA00A0EF3", "osm:way/134168774" ], "reason": "OS Mackworth Allotments/current OSM134168774 Mackworth Allotment and Community Garden have86.03%IoU, covering92.64%and92.34%of the two source footprints. The distinctive Mackworth name and matching physical boundary establish one mapped site despite the expanded community-garden name. No specific current council/operator corroboration was located, so confirmation is limited to catalogue identity and not present management or access.", "evidence": [ { "url": "https://www.openstreetmap.org/way/134168774", "checkedAt": "2026-10-31" }, { "url": "https://api.openstreetmap.org/api/0.6/way/134168774/full.json", "checkedAt": "2026-10-31" }, { "url": "https://www.ordnancesurvey.co.uk/products/os-open-greenspace", "checkedAt": "2026-10-31" } ] }, { "id": "review-024", "canonicalId": "os-greenspace:49E9C716-43A8-A491-E063-8CCAA00A0EF3", "memberIds": [ "os-greenspace:49E9C716-43A8-A491-E063-8CCAA00A0EF3", "osm:way/23609780" ], "reason": "OS/current OSM23609780 Shepherds Hill names differ only by punctuation and have97.59%IoU; each footprint covers more than98.6%of the other. The site association describes one225-plot Shepherds Hill site; Haringey's open-space assessment names it. The separately listed Shepherds Hill Railway site must remain distinct and is not added to this group.", "evidence": [ { "url": "https://www.shepherdshillallotments.co.uk/", "checkedAt": "2026-10-31" }, { "url": "https://www.haringey.gov.uk/sites/default/files/haringey_open_space_and_biodiversity_study_final_report_-_appendix_3.pdf", "checkedAt": "2026-10-31" }, { "url": "https://www.openstreetmap.org/way/23609780", "checkedAt": "2026-10-31" }, { "url": "https://api.openstreetmap.org/api/0.6/way/23609780/full.json", "checkedAt": "2026-10-31" }, { "url": "https://www.ordnancesurvey.co.uk/products/os-open-greenspace", "checkedAt": "2026-10-31" } ] }, { "id": "review-025", "canonicalId": "os-greenspace:49E9C717-3964-A491-E063-8CCAA00A0EF3", "memberIds": [ "os-greenspace:49E9C717-3964-A491-E063-8CCAA00A0EF3", "osm:way/616731183" ], "reason": "These two source observations describe the same named allotment footprint: current OSM landuse=allotments geometry has 88.9% intersection-over-union with the shipped OS polygon. Names are compatible (including recorded aliases where applicable); both source points refer to the shared area. The OSM polygon has no positive-area intersection with another shipped OS allotment footprint. Council/operator references corroborate the site identity; proximity is supporting evidence only.", "evidence": [ { "url": "https://www.openstreetmap.org/way/616731183", "checkedAt": "2026-10-31" }, { "url": "https://api.openstreetmap.org/api/0.6/way/616731183/full.json", "checkedAt": "2026-10-31" }, { "url": "https://www.ordnancesurvey.co.uk/products/os-open-greenspace", "checkedAt": "2026-10-31" }, { "url": "https://www.cuckfield.gov.uk/local/allotments", "checkedAt": "2026-10-31" } ] }, { "id": "review-026", "canonicalId": "os-greenspace:49E9C718-A843-A491-E063-8CCAA00A0EF3", "memberIds": [ "os-greenspace:49E9C718-A843-A491-E063-8CCAA00A0EF3", "osm:way/991653540" ], "reason": "These two source observations describe the same named allotment footprint: current OSM landuse=allotments geometry has 90.2% intersection-over-union with the shipped OS polygon. Names are compatible (including recorded aliases where applicable); both source points refer to the shared area. The OSM polygon has no positive-area intersection with another shipped OS allotment footprint. Council/operator references corroborate the site identity; proximity is supporting evidence only.", "evidence": [ { "url": "https://www.openstreetmap.org/way/991653540", "checkedAt": "2026-10-31" }, { "url": "https://api.openstreetmap.org/api/0.6/way/991653540/full.json", "checkedAt": "2026-10-31" }, { "url": "https://www.ordnancesurvey.co.uk/products/os-open-greenspace", "checkedAt": "2026-10-31" }, { "url": "https://www.bhaf.org.uk/content/sites/sitelist/charltons", "checkedAt": "2026-10-31" } ] }, { "id": "review-027", "canonicalId": "os-greenspace:49E9C71E-565C-A491-E063-8CCAA00A0EF3", "memberIds": [ "os-greenspace:49E9C71E-565C-A491-E063-8CCAA00A0EF3", "osm:way/121653201" ], "reason": "These two source observations describe the same named allotment footprint: current OSM landuse=allotments geometry has 81.2% intersection-over-union with the shipped OS polygon. Names are compatible (including recorded aliases where applicable); both source points refer to the shared area. The OSM polygon has no positive-area intersection with another shipped OS allotment footprint. Council/operator references corroborate the site identity; proximity is supporting evidence only.", "evidence": [ { "url": "https://www.openstreetmap.org/way/121653201", "checkedAt": "2026-10-31" }, { "url": "https://api.openstreetmap.org/api/0.6/way/121653201/full.json", "checkedAt": "2026-10-31" }, { "url": "https://www.ordnancesurvey.co.uk/products/os-open-greenspace", "checkedAt": "2026-10-31" }, { "url": "https://icklesham-pc.gov.uk/wp-content/uploads/2024/10/Supporting-Papers-for-Full-Council-Meeting-28.10.2024.pdf", "checkedAt": "2026-10-31" } ] }, { "id": "review-028", "canonicalId": "os-greenspace:49E9C71E-6020-A491-E063-8CCAA00A0EF3", "memberIds": [ "os-greenspace:49E9C71E-6020-A491-E063-8CCAA00A0EF3", "osm:way/28787893" ], "reason": "These two source observations describe the same named allotment footprint: current OSM landuse=allotments geometry has 97.3% intersection-over-union with the shipped OS polygon. Names are compatible (including recorded aliases where applicable); both source points refer to the shared area. The OSM polygon has no positive-area intersection with another shipped OS allotment footprint. Council/operator references corroborate the site identity; proximity is supporting evidence only.", "evidence": [ { "url": "https://www.openstreetmap.org/way/28787893", "checkedAt": "2026-10-31" }, { "url": "https://api.openstreetmap.org/api/0.6/way/28787893/full.json", "checkedAt": "2026-10-31" }, { "url": "https://www.ordnancesurvey.co.uk/products/os-open-greenspace", "checkedAt": "2026-10-31" }, { "url": "https://www.hastings.gov.uk/parks_gardens_allotments/allotments/allotmentsites/choice/", "checkedAt": "2026-10-31" } ] }, { "id": "review-029", "canonicalId": "os-greenspace:49E9C720-7892-A491-E063-8CCAA00A0EF3", "memberIds": [ "os-greenspace:49E9C720-7892-A491-E063-8CCAA00A0EF3", "osm:way/87471984" ], "reason": "These two source observations describe the same named allotment footprint: current OSM landuse=allotments geometry has 96.3% intersection-over-union with the shipped OS polygon. Names are compatible (including recorded aliases where applicable); both source points refer to the shared area. The OSM polygon has no positive-area intersection with another shipped OS allotment footprint. Council/operator references corroborate the site identity; proximity is supporting evidence only.", "evidence": [ { "url": "https://www.openstreetmap.org/way/87471984", "checkedAt": "2026-10-31" }, { "url": "https://api.openstreetmap.org/api/0.6/way/87471984/full.json", "checkedAt": "2026-10-31" }, { "url": "https://www.ordnancesurvey.co.uk/products/os-open-greenspace", "checkedAt": "2026-10-31" }, { "url": "https://www.thornburytowncouncil.gov.uk/wp-content/uploads/sites/51/2023/10/SubmissionVersionThornburyNeighbourhoodPlan.pdf", "checkedAt": "2026-10-31" } ] }, { "id": "review-030", "canonicalId": "os-greenspace:49E9C721-C60D-A491-E063-8CCAA00A0EF3", "memberIds": [ "os-greenspace:49E9C721-C60D-A491-E063-8CCAA00A0EF3", "osm:way/48508192", "council:f395f38c4cdd4bd8b35390ef3eb80207-layer:57" ], "reason": "These two source observations describe the same named allotment footprint: current OSM landuse=allotments geometry has 93.4% intersection-over-union with the shipped OS polygon. Names are compatible (including recorded aliases where applicable); both source points refer to the shared area. The OSM polygon has no positive-area intersection with another shipped OS allotment footprint. Council/operator references corroborate the site identity; proximity is supporting evidence only. Live Bristol council feature57 is explicitly Wessex Avenue Allotments; its polygon has94.7% IoU with the OS footprint and94.5% with the named OSM footprint. The council directory confirms Wessex Avenue Highbury Road. This is a third source observation, not another allotment site.", "evidence": [ { "url": "https://www.openstreetmap.org/way/48508192", "checkedAt": "2026-10-31" }, { "url": "https://api.openstreetmap.org/api/0.6/way/48508192/full.json", "checkedAt": "2026-10-31" }, { "url": "https://www.ordnancesurvey.co.uk/products/os-open-greenspace", "checkedAt": "2026-10-31" }, { "url": "https://www.bristol.gov.uk/residents/museums-parks-sports-and-culture/allotments-and-gardens/apply-for-an-allotment/allotment-finder/allotment?id=106", "checkedAt": "2026-10-31" }, { "url": "https://maps2.bristol.gov.uk/server2/rest/services/ext/ll_leisure_and_culture/MapServer/18/query?objectIds=57&outFields=%2A&outSR=4326&returnGeometry=true&f=geojson", "checkedAt": "2026-10-31" } ] }, { "id": "review-031", "canonicalId": "os-greenspace:49E9C724-3E1C-A491-E063-8CCAA00A0EF3", "memberIds": [ "os-greenspace:49E9C724-3E1C-A491-E063-8CCAA00A0EF3", "osm:way/128752792" ], "reason": "These two source observations describe the same named allotment footprint: current OSM landuse=allotments geometry has 94.0% intersection-over-union with the shipped OS polygon. Names are compatible (including recorded aliases where applicable); both source points refer to the shared area. The OSM polygon has no positive-area intersection with another shipped OS allotment footprint. Council/operator references corroborate the site identity; proximity is supporting evidence only.", "evidence": [ { "url": "https://www.openstreetmap.org/way/128752792", "checkedAt": "2026-10-31" }, { "url": "https://api.openstreetmap.org/api/0.6/way/128752792/full.json", "checkedAt": "2026-10-31" }, { "url": "https://www.ordnancesurvey.co.uk/products/os-open-greenspace", "checkedAt": "2026-10-31" }, { "url": "https://www.bristol.gov.uk/residents/museums-parks-sports-and-culture/allotments-and-gardens/apply-for-an-allotment/allotment-finder/allotment?id=59", "checkedAt": "2026-10-31" }, { "url": "https://hwdaa.co.uk/about-us/our-sites/", "checkedAt": "2026-10-31" } ] }, { "id": "review-032", "canonicalId": "os-greenspace:49E9C724-E9F4-A491-E063-8CCAA00A0EF3", "memberIds": [ "os-greenspace:49E9C724-E9F4-A491-E063-8CCAA00A0EF3", "osm:way/280777427" ], "reason": "These two source observations describe the same named allotment footprint: current OSM landuse=allotments geometry has 92.2% intersection-over-union with the shipped OS polygon. Names are compatible (including recorded aliases where applicable); both source points refer to the shared area. The OSM polygon has no positive-area intersection with another shipped OS allotment footprint. Council/operator references corroborate the site identity; proximity is supporting evidence only.", "evidence": [ { "url": "https://www.openstreetmap.org/way/280777427", "checkedAt": "2026-10-31" }, { "url": "https://api.openstreetmap.org/api/0.6/way/280777427/full.json", "checkedAt": "2026-10-31" }, { "url": "https://www.ordnancesurvey.co.uk/products/os-open-greenspace", "checkedAt": "2026-10-31" }, { "url": "https://www.bristol.gov.uk/residents/museums-parks-sports-and-culture/allotments-and-gardens/apply-for-an-allotment/allotment-finder/allotment?id=72", "checkedAt": "2026-10-31" } ] }, { "id": "review-033", "canonicalId": "os-greenspace:49E9C72B-FF11-A491-E063-8CCAA00A0EF3", "memberIds": [ "os-greenspace:49E9C72B-FF11-A491-E063-8CCAA00A0EF3", "osm:way/7838988", "osm:way/7838989" ], "reason": "These two source observations describe the same named allotment footprint: current OSM landuse=allotments geometry has 94.9% intersection-over-union with the shipped OS polygon. Names are compatible (including recorded aliases where applicable); both source points refer to the shared area. The OSM polygon has no positive-area intersection with another shipped OS allotment footprint. Council/operator references corroborate the site identity; proximity is supporting evidence only. The second OSM parcel carries the exact distinctive name Kingstanding Allotments and the same Birmingham City Council operator, Kingstanding ward,33-plot site attribute and council source as the original OSM parcel. The council directory has one Kingstanding entry on Edmonton Avenue. The polygons are14.0m apart, consistent with separate parts of that uniquely identified operating site. Include the named additional parcel as a separate retained footprint; this conclusion is based on source identity and matching site attributes, not distance alone.", "evidence": [ { "url": "https://www.openstreetmap.org/way/7838988", "checkedAt": "2026-10-31" }, { "url": "https://api.openstreetmap.org/api/0.6/way/7838988/full.json", "checkedAt": "2026-10-31" }, { "url": "https://www.ordnancesurvey.co.uk/products/os-open-greenspace", "checkedAt": "2026-10-31" }, { "url": "https://www.birmingham.gov.uk/directory_record/105002/kingstanding_allotments", "checkedAt": "2026-10-31" }, { "url": "https://www.openstreetmap.org/way/7838989", "checkedAt": "2026-10-31" }, { "url": "https://api.openstreetmap.org/api/0.6/way/7838989/full.json", "checkedAt": "2026-10-31" } ] }, { "id": "review-034", "canonicalId": "os-greenspace:49E9C72F-FC0A-A491-E063-8CCAA00A0EF3", "memberIds": [ "os-greenspace:49E9C72F-FC0A-A491-E063-8CCAA00A0EF3", "osm:way/562907576" ], "reason": "These two source observations describe the same named allotment footprint: current OSM landuse=allotments geometry has 84.0% intersection-over-union with the shipped OS polygon. Names are compatible (including recorded aliases where applicable); both source points refer to the shared area. The OSM polygon has no positive-area intersection with another shipped OS allotment footprint. Council/operator references corroborate the site identity; proximity is supporting evidence only.", "evidence": [ { "url": "https://www.openstreetmap.org/way/562907576", "checkedAt": "2026-10-31" }, { "url": "https://api.openstreetmap.org/api/0.6/way/562907576/full.json", "checkedAt": "2026-10-31" }, { "url": "https://www.ordnancesurvey.co.uk/products/os-open-greenspace", "checkedAt": "2026-10-31" }, { "url": "https://wrightsonallotments.org/", "checkedAt": "2026-10-31" } ] }, { "id": "review-035", "canonicalId": "os-greenspace:49E9C734-B2D7-A491-E063-8CCAA00A0EF3", "memberIds": [ "os-greenspace:49E9C734-B2D7-A491-E063-8CCAA00A0EF3", "osm:way/92162865", "osm:way/109288467" ], "reason": "These two source observations describe the same named allotment footprint: current OSM landuse=allotments geometry has 82.8% intersection-over-union with the shipped OS polygon. Names are compatible (including recorded aliases where applicable); both source points refer to the shared area. The OSM polygon has no positive-area intersection with another shipped OS allotment footprint. Council/operator references corroborate the site identity; proximity is supporting evidence only. The official Sheffield allotment map links to a named Crookes Quarry Allotment polygon (objectid8,siteid12). That council polygon covers95.1% of this unnamed extra OSM parcel and98.0% of the original named OSM parcel; their union matches it at89.4% IoU. This independently identifies the extra parcel as part of Crookes Quarry. The same council response maps Crookes Marsh Lane separately (objectid7), so that neighbour stays separate.", "evidence": [ { "url": "https://www.openstreetmap.org/way/92162865", "checkedAt": "2026-10-31" }, { "url": "https://api.openstreetmap.org/api/0.6/way/92162865/full.json", "checkedAt": "2026-10-31" }, { "url": "https://www.ordnancesurvey.co.uk/products/os-open-greenspace", "checkedAt": "2026-10-31" }, { "url": "https://www.sheffield.gov.uk/parks-sport-recreation/allotments/allotment-information", "checkedAt": "2026-10-31" }, { "url": "https://www.arcgis.com/sharing/rest/content/items/227576827bf94eba994b9b64f907477b/data?f=json", "checkedAt": "2026-10-31" }, { "url": "https://www.arcgis.com/sharing/rest/content/items/b12ad867654f4e00840a3aed035594bd/data?f=json", "checkedAt": "2026-10-31" }, { "url": "https://utility.arcgis.com/usrsvcs/servers/8d2ba0f1860e43cd9e0324a88a8cb6c5/rest/services/AGOL/INSPIRE/MapServer/0/query?where=site+LIKE+%27%25Crookes%25%27&outFields=%2A&outSR=4326&returnGeometry=true&f=geojson", "checkedAt": "2026-10-31" } ] }, { "id": "review-036", "canonicalId": "os-greenspace:49E9C742-523F-A491-E063-8CCAA00A0EF3", "memberIds": [ "os-greenspace:49E9C742-523F-A491-E063-8CCAA00A0EF3", "osm:way/307438870", "osm:way/307437948" ], "reason": "These two source observations describe the same named allotment footprint: current OSM landuse=allotments geometry has 85.5% intersection-over-union with the shipped OS polygon. Names are compatible (including recorded aliases where applicable); both source points refer to the shared area. The OSM polygon has no positive-area intersection with another shipped OS allotment footprint. Council/operator references corroborate the site identity; proximity is supporting evidence only. The unnamed extra OSM parcel touches the named Springfields OSM parcel, lies wholly within the single named Springfields OS footprint and brings combined footprint IoU to96.9% (97.4% OS coverage). Hemsworth Town Council identifies one Springfields site off Grove Lane/Ringwood Way and separately identifies Grove Lane. Thus this is a contiguous mapped part of the same named site, while the separate Grove Lane footprint and record stay separate.", "evidence": [ { "url": "https://www.openstreetmap.org/way/307438870", "checkedAt": "2026-10-31" }, { "url": "https://api.openstreetmap.org/api/0.6/way/307438870/full.json", "checkedAt": "2026-10-31" }, { "url": "https://www.ordnancesurvey.co.uk/products/os-open-greenspace", "checkedAt": "2026-10-31" }, { "url": "https://www.hemsworthcouncil.co.uk/allotments/", "checkedAt": "2026-10-31" }, { "url": "https://www.openstreetmap.org/way/307437948", "checkedAt": "2026-10-31" }, { "url": "https://api.openstreetmap.org/api/0.6/ways.json?ways=109288467,307437948,1447817016,1089312231", "checkedAt": "2026-10-31" } ] }, { "id": "review-037", "canonicalId": "os-greenspace:49E9C744-219A-A491-E063-8CCAA00A0EF3", "memberIds": [ "os-greenspace:49E9C744-219A-A491-E063-8CCAA00A0EF3", "osm:way/139544991" ], "reason": "These two source observations describe the same named allotment footprint: current OSM landuse=allotments geometry has 95.1% intersection-over-union with the shipped OS polygon. Names are compatible (including recorded aliases where applicable); both source points refer to the shared area. The OSM polygon has no positive-area intersection with another shipped OS allotment footprint. Council/operator references corroborate the site identity; proximity is supporting evidence only. The community garden and rented plots are described by their own association as one Boundary Way site; retain the combined character and complete sourced boundary.", "evidence": [ { "url": "https://www.openstreetmap.org/way/139544991", "checkedAt": "2026-10-31" }, { "url": "https://api.openstreetmap.org/api/0.6/way/139544991/full.json", "checkedAt": "2026-10-31" }, { "url": "https://www.ordnancesurvey.co.uk/products/os-open-greenspace", "checkedAt": "2026-10-31" }, { "url": "https://boundaryway.co.uk/", "checkedAt": "2026-10-31" }, { "url": "https://www.wolverhampton.gov.uk/community/allotments/allotments-waiting-list", "checkedAt": "2026-10-31" } ] }, { "id": "review-038", "canonicalId": "os-greenspace:49E9C746-222D-A491-E063-8CCAA00A0EF3", "memberIds": [ "os-greenspace:49E9C746-222D-A491-E063-8CCAA00A0EF3", "osm:relation/2503286" ], "reason": "These two source observations describe the same named allotment footprint: current OSM landuse=allotments geometry has 88.6% intersection-over-union with the shipped OS polygon. Names are compatible (including recorded aliases where applicable); both source points refer to the shared area. The OSM polygon has no positive-area intersection with another shipped OS allotment footprint. Council/operator references corroborate the site identity; proximity is supporting evidence only. The OSM relation is a multipolygon whose three outer member ways form this same site boundary; they are not three separate catalogue sites.", "evidence": [ { "url": "https://www.openstreetmap.org/relation/2503286", "checkedAt": "2026-10-31" }, { "url": "https://api.openstreetmap.org/api/0.6/relation/2503286/full.json", "checkedAt": "2026-10-31" }, { "url": "https://www.ordnancesurvey.co.uk/products/os-open-greenspace", "checkedAt": "2026-10-31" }, { "url": "https://andover-tc.gov.uk/allotments/locations", "checkedAt": "2026-10-31" } ] }, { "id": "review-039", "canonicalId": "os-greenspace:49E9C750-A6C1-A491-E063-8CCAA00A0EF3", "memberIds": [ "os-greenspace:49E9C750-A6C1-A491-E063-8CCAA00A0EF3", "osm:way/266150660" ], "reason": "These two source observations describe the same named allotment footprint: current OSM landuse=allotments geometry has 91.1% intersection-over-union with the shipped OS polygon. Names are compatible (including recorded aliases where applicable); both source points refer to the shared area. The OSM polygon has no positive-area intersection with another shipped OS allotment footprint. Council/operator references corroborate the site identity; proximity is supporting evidence only.", "evidence": [ { "url": "https://www.openstreetmap.org/way/266150660", "checkedAt": "2026-10-31" }, { "url": "https://api.openstreetmap.org/api/0.6/way/266150660/full.json", "checkedAt": "2026-10-31" }, { "url": "https://www.ordnancesurvey.co.uk/products/os-open-greenspace", "checkedAt": "2026-10-31" }, { "url": "https://www.worcester.gov.uk/leisure-parks-allotments/allotments", "checkedAt": "2026-10-31" } ] }, { "id": "review-040", "canonicalId": "os-greenspace:49E9C752-141E-A491-E063-8CCAA00A0EF3", "memberIds": [ "os-greenspace:49E9C752-141E-A491-E063-8CCAA00A0EF3", "osm:way/32092111" ], "reason": "These two source observations describe the same named allotment footprint: current OSM landuse=allotments geometry has 94.9% intersection-over-union with the shipped OS polygon. Names are compatible (including recorded aliases where applicable); both source points refer to the shared area. The OSM polygon has no positive-area intersection with another shipped OS allotment footprint. Council/operator references corroborate the site identity; proximity is supporting evidence only. The historical Park Gardens name is independently linked to Stoney Road by Coventry council heritage records; retain both names as source-backed aliases.", "evidence": [ { "url": "https://www.openstreetmap.org/way/32092111", "checkedAt": "2026-10-31" }, { "url": "https://api.openstreetmap.org/api/0.6/way/32092111/full.json", "checkedAt": "2026-10-31" }, { "url": "https://www.ordnancesurvey.co.uk/products/os-open-greenspace", "checkedAt": "2026-10-31" }, { "url": "https://www.coventry.gov.uk/directory-record/39275/stoney-road", "checkedAt": "2026-10-31" }, { "url": "https://www.coventry.gov.uk/downloads/file/7295/statutory_list_of_buildings_of_architectural_or_historic_interest", "checkedAt": "2026-10-31" } ] }, { "id": "review-041", "canonicalId": "os-greenspace:49E9C75B-6876-A491-E063-8CCAA00A0EF3", "memberIds": [ "os-greenspace:49E9C75B-6876-A491-E063-8CCAA00A0EF3", "osm:way/139450668" ], "reason": "These two source observations describe the same named allotment footprint: current OSM landuse=allotments geometry has 93.3% intersection-over-union with the shipped OS polygon. Names are compatible (including recorded aliases where applicable); both source points refer to the shared area. The OSM polygon has no positive-area intersection with another shipped OS allotment footprint. Council/operator references corroborate the site identity; proximity is supporting evidence only. Current OSM alt_name and the council-hosted neighbourhood plan connect Leslie Road to the Heath Town site; do not drop the Leslie Road name.", "evidence": [ { "url": "https://www.openstreetmap.org/way/139450668", "checkedAt": "2026-10-31" }, { "url": "https://api.openstreetmap.org/api/0.6/way/139450668/full.json", "checkedAt": "2026-10-31" }, { "url": "https://www.ordnancesurvey.co.uk/products/os-open-greenspace", "checkedAt": "2026-10-31" }, { "url": "https://www.wolverhampton.gov.uk/community/allotments/allotments-waiting-list", "checkedAt": "2026-10-31" }, { "url": "https://www.wolverhampton.gov.uk/sites/default/files/pdf/Heathfield_Park_Neighbourhood_Plan_-_low_res.pdf", "checkedAt": "2026-10-31" } ] }, { "id": "review-042", "canonicalId": "os-greenspace:49E9C762-32E1-A491-E063-8CCAA00A0EF3", "memberIds": [ "os-greenspace:49E9C762-32E1-A491-E063-8CCAA00A0EF3", "osm:way/142890992", "council:232bed1896ec423fa30d6cf6d35701a0-0:13" ], "reason": "Both named records identify the association-operated Hollin Lane site; the association describes one location and two entrances. The current OSM polygon is entirely inside the larger OS polygon (100% OSM coverage;63.2% OS coverage) and shares the same representative area. There is no intersection with a second OS allotment footprint. This confirms the two named observations; it does not resolve the operating identity of every parcel inside the larger OS extent. Current Leeds council feature13 is Hollin Lane at LS165NE with committee@hollinlaneallotments.org, matching the independently inspected site association identity and postcode. Its point is inside the named OS footprint. This is another council contact observation of the named site, even though its point lies outside the smaller OSM polygon.", "evidence": [ { "url": "https://www.openstreetmap.org/way/142890992", "checkedAt": "2026-10-31" }, { "url": "https://api.openstreetmap.org/api/0.6/way/142890992/full.json", "checkedAt": "2026-10-31" }, { "url": "https://www.ordnancesurvey.co.uk/products/os-open-greenspace", "checkedAt": "2026-10-31" }, { "url": "https://hollinlaneallotments.org/", "checkedAt": "2026-10-31" }, { "url": "https://services1.arcgis.com/brSffcdOV7o1pDVT/arcgis/rest/services/Allotments_contacts/FeatureServer/0/query?objectIds=13&outFields=%2A&outSR=4326&returnGeometry=true&f=geojson", "checkedAt": "2026-10-31" }, { "url": "https://hollinlaneallotments.org/rules/", "checkedAt": "2026-10-31" } ] }, { "id": "review-043", "canonicalId": "osm:way/428233619", "memberIds": [ "os-greenspace:49E9C762-967D-A491-E063-8CCAA00A0EF3", "osm:way/428233619" ], "reason": "Live OSM way428233619 names Brooklands Allotments, records St James Allotments as alt_name, and has83.9% IoU with the OS polygon labelled St James. The current council contact point (feature68, Brooklands, LS14 6JB) lies at the same site. Thus these two exact records are duplicate observations despite differing primary names; prefer the already council-enriched OSM ID and current Brooklands name, retaining St James as a qualified source alias.", "evidence": [ { "url": "https://www.openstreetmap.org/way/428233619", "checkedAt": "2026-10-31" }, { "url": "https://api.openstreetmap.org/api/0.6/way/428233619/full.json", "checkedAt": "2026-10-31" }, { "url": "https://www.ordnancesurvey.co.uk/products/os-open-greenspace", "checkedAt": "2026-10-31" }, { "url": "https://services1.arcgis.com/brSffcdOV7o1pDVT/arcgis/rest/services/Allotments_contacts/FeatureServer/0/query?where=Site_name+LIKE+%27%25Brook%25%27+OR+Site_name+LIKE+%27%25James%25%27&outFields=Site_name%2CPostcode%2CFID&outSR=4326&returnGeometry=true&f=geojson", "checkedAt": "2026-10-31" }, { "url": "https://www.leeds.gov.uk/Local%20Plans/Site%20Allocations%20Plan/SAP%20Green%20Space%20Supporting%20Information%20Dec%202019%20Full.pdf", "checkedAt": "2026-10-31" } ] }, { "id": "review-044", "canonicalId": "os-greenspace:49E9C767-FA46-A491-E063-8CCAA00A0EF3", "memberIds": [ "os-greenspace:49E9C767-FA46-A491-E063-8CCAA00A0EF3", "osm:way/4384246" ], "reason": "These two source observations describe the same named allotment footprint: current OSM landuse=allotments geometry has 97.0% intersection-over-union with the shipped OS polygon. Names are compatible (including recorded aliases where applicable); both source points refer to the shared area. The OSM polygon has no positive-area intersection with another shipped OS allotment footprint. Council/operator references corroborate the site identity; proximity is supporting evidence only.", "evidence": [ { "url": "https://www.openstreetmap.org/way/4384246", "checkedAt": "2026-10-31" }, { "url": "https://api.openstreetmap.org/api/0.6/way/4384246/full.json", "checkedAt": "2026-10-31" }, { "url": "https://www.ordnancesurvey.co.uk/products/os-open-greenspace", "checkedAt": "2026-10-31" }, { "url": "https://www.wandsworth.gov.uk/leisure-and-culture/parks-and-open-spaces/allotments/king-georges-park/", "checkedAt": "2026-10-31" }, { "url": "https://enablelc.org/parks/allotments/allotment-sites", "checkedAt": "2026-10-31" } ] }, { "id": "review-045", "canonicalId": "os-greenspace:49E9C768-3A02-A491-E063-8CCAA00A0EF3", "memberIds": [ "os-greenspace:49E9C768-3A02-A491-E063-8CCAA00A0EF3", "osm:way/33797261" ], "reason": "These two source observations describe the same named allotment footprint: current OSM landuse=allotments geometry has 86.5% intersection-over-union with the shipped OS polygon. Names are compatible (including recorded aliases where applicable); both source points refer to the shared area. The OSM polygon has no positive-area intersection with another shipped OS allotment footprint. Council/operator references corroborate the site identity; proximity is supporting evidence only.", "evidence": [ { "url": "https://www.openstreetmap.org/way/33797261", "checkedAt": "2026-10-31" }, { "url": "https://api.openstreetmap.org/api/0.6/way/33797261/full.json", "checkedAt": "2026-10-31" }, { "url": "https://www.ordnancesurvey.co.uk/products/os-open-greenspace", "checkedAt": "2026-10-31" }, { "url": "https://www.merton.gov.uk/system/files/merton_local_plan_-_adopted_20_november_2024_compressed.pdf", "checkedAt": "2026-10-31" } ] }, { "id": "review-046", "canonicalId": "os-greenspace:49E9C768-A5AF-A491-E063-8CCAA00A0EF3", "memberIds": [ "os-greenspace:49E9C768-A5AF-A491-E063-8CCAA00A0EF3", "osm:way/228370463" ], "reason": "These two source observations describe the same named allotment footprint: current OSM landuse=allotments geometry has 97.8% intersection-over-union with the shipped OS polygon. Names are compatible (including recorded aliases where applicable); both source points refer to the shared area. The OSM polygon has no positive-area intersection with another shipped OS allotment footprint. Council/operator references corroborate the site identity; proximity is supporting evidence only.", "evidence": [ { "url": "https://www.openstreetmap.org/way/228370463", "checkedAt": "2026-10-31" }, { "url": "https://api.openstreetmap.org/api/0.6/way/228370463/full.json", "checkedAt": "2026-10-31" }, { "url": "https://www.ordnancesurvey.co.uk/products/os-open-greenspace", "checkedAt": "2026-10-31" }, { "url": "https://lewisham.gov.uk/myservices/environment/allotments-and-community-gardens/allotments", "checkedAt": "2026-10-31" } ] }, { "id": "review-047", "canonicalId": "os-greenspace:49E9C769-3431-A491-E063-8CCAA00A0EF3", "memberIds": [ "os-greenspace:49E9C769-3431-A491-E063-8CCAA00A0EF3", "osm:way/45674033" ], "reason": "These two source observations describe the same named allotment footprint: current OSM landuse=allotments geometry has 83.6% intersection-over-union with the shipped OS polygon. Names are compatible (including recorded aliases where applicable); the OSM representative point is within the OS footprint, while the OS representative point falls outside the smaller current OSM footprint. The near-identical distinctive name and substantial polygon correspondence confirm the two records despite that point placement. The OSM polygon has no positive-area intersection with another shipped OS allotment footprint. Council/operator references corroborate the site identity; proximity is supporting evidence only.", "evidence": [ { "url": "https://www.openstreetmap.org/way/45674033", "checkedAt": "2026-10-31" }, { "url": "https://api.openstreetmap.org/api/0.6/way/45674033/full.json", "checkedAt": "2026-10-31" }, { "url": "https://www.ordnancesurvey.co.uk/products/os-open-greenspace", "checkedAt": "2026-10-31" }, { "url": "https://www.bromley.gov.uk/downloads/file/1754/open-space-strategy-appendices", "checkedAt": "2026-10-31" } ] }, { "id": "review-048", "canonicalId": "os-greenspace:49E9C76D-18EE-A491-E063-8CCAA00A0EF3", "memberIds": [ "os-greenspace:49E9C76D-18EE-A491-E063-8CCAA00A0EF3", "osm:way/318655602" ], "reason": "Matching distinctive site identity and physical polygon correspondence: current OSM versus bundled OS outline IoU 89.1889%, OS coverage 96.0631%, OSM coverage 92.5725%. This decision uses the source polygons and retained names, not centroid distance alone. No conflicting site identifier, numbered name or directional qualifier was found among these members. Site association identifies Alwins Field as one statutory allotment site, including its extension and surrounding open space.", "evidence": [ { "url": "https://www.openstreetmap.org/way/318655602", "checkedAt": "2026-10-31" }, { "url": "https://www.ordnancesurvey.co.uk/products/os-open-greenspace", "checkedAt": "2026-10-31" }, { "url": "https://www.llaa.org.uk/Pages/Alwins_field.html", "checkedAt": "2026-10-31" } ] }, { "id": "review-049", "canonicalId": "os-greenspace:49E9C76E-7193-A491-E063-8CCAA00A0EF3", "memberIds": [ "os-greenspace:49E9C76E-7193-A491-E063-8CCAA00A0EF3", "osm:way/79135096" ], "reason": "Matching distinctive site identity and physical polygon correspondence: current OSM versus bundled OS outline IoU 92.5131%, OS coverage 96.1172%, OSM coverage 96.1047%. This decision uses the source polygons and retained names, not centroid distance alone. No conflicting site identifier, numbered name or directional qualifier was found among these members. Owner-supplied garden account describes one community garden containing allotment plots, woodland and shared facilities.", "evidence": [ { "url": "https://www.openstreetmap.org/way/79135096", "checkedAt": "2026-10-31" }, { "url": "https://www.ordnancesurvey.co.uk/products/os-open-greenspace", "checkedAt": "2026-10-31" }, { "url": "https://ngs.org.uk/gardens/adelaide-community-garden-club-nw3/", "checkedAt": "2026-10-31" } ] }, { "id": "review-050", "canonicalId": "os-greenspace:49E9C77A-729B-A491-E063-8CCAA00A0EF3", "memberIds": [ "os-greenspace:49E9C77A-729B-A491-E063-8CCAA00A0EF3", "osm:way/929229202", "osm:way/1030804316" ], "reason": "Matching distinctive site identity and physical polygon correspondence: current OSM versus bundled OS outline IoU 78.7434%, OS coverage 79.2919%, OSM coverage 99.1291%. This decision uses the source polygons and retained names, not centroid distance alone. No conflicting site identifier, numbered name or directional qualifier was found among these members. A further same-named OSM parcel osm:way/1030804316 was outside the original 30 m centroid shortlist. Both OSM parcels jointly match the OS extent at 93.3489% IoU; the primary council listing identifies one operating site. Include all three source records to avoid leaving a third duplicate pin. The managing council lists one Old Pencoedtre allotment site on Dyfnallt Road.", "evidence": [ { "url": "https://www.openstreetmap.org/way/929229202", "checkedAt": "2026-10-31" }, { "url": "https://www.ordnancesurvey.co.uk/products/os-open-greenspace", "checkedAt": "2026-10-31" }, { "url": "https://www.openstreetmap.org/way/1030804316", "checkedAt": "2026-10-31" }, { "url": "https://www.valeofglamorgan.gov.uk/en/enjoying/Allotments.aspx", "checkedAt": "2026-10-31" } ] }, { "id": "review-051", "canonicalId": "os-greenspace:49E9C77A-9586-A491-E063-8CCAA00A0EF3", "memberIds": [ "os-greenspace:49E9C77A-9586-A491-E063-8CCAA00A0EF3", "osm:way/471280085" ], "reason": "Matching distinctive site identity and physical polygon correspondence: current OSM versus bundled OS outline IoU 62.5559%, OS coverage 62.5559%, OSM coverage 100.0000%. This decision uses the source polygons and retained names, not centroid distance alone. No conflicting site identifier, numbered name or directional qualifier was found among these members. Parish council identifies St Michaels as one allotment site incorporating a pocket park and an island; this explains the larger OS extent.", "evidence": [ { "url": "https://www.openstreetmap.org/way/471280085", "checkedAt": "2026-10-31" }, { "url": "https://www.ordnancesurvey.co.uk/products/os-open-greenspace", "checkedAt": "2026-10-31" }, { "url": "https://felphampc.gov.uk/media/1565/annual_parish_report_2012.pdf", "checkedAt": "2026-10-31" } ] }, { "id": "review-052", "canonicalId": "os-greenspace:49E9C77F-FBE4-A491-E063-8CCAA00A0EF3", "memberIds": [ "os-greenspace:49E9C77F-FBE4-A491-E063-8CCAA00A0EF3", "osm:way/135511617" ], "reason": "Matching distinctive site identity and physical polygon correspondence: current OSM versus bundled OS outline IoU 97.3911%, OS coverage 97.8024%, OSM coverage 99.5701%. This decision uses the source polygons and retained names, not centroid distance alone. No conflicting site identifier, numbered name or directional qualifier was found among these members.", "evidence": [ { "url": "https://www.openstreetmap.org/way/135511617", "checkedAt": "2026-10-31" }, { "url": "https://www.ordnancesurvey.co.uk/products/os-open-greenspace", "checkedAt": "2026-10-31" } ] }, { "id": "review-053", "canonicalId": "os-greenspace:49E9C780-234A-A491-E063-8CCAA00A0EF3", "memberIds": [ "os-greenspace:49E9C780-234A-A491-E063-8CCAA00A0EF3", "osm:relation/1577073" ], "reason": "Matching distinctive site identity and physical polygon correspondence: current OSM versus bundled OS outline IoU 93.9025%, OS coverage 96.4735%, OSM coverage 97.2403%. This decision uses the source polygons and retained names, not centroid distance alone. No conflicting site identifier, numbered name or directional qualifier was found among these members.", "evidence": [ { "url": "https://www.openstreetmap.org/relation/1577073", "checkedAt": "2026-10-31" }, { "url": "https://www.ordnancesurvey.co.uk/products/os-open-greenspace", "checkedAt": "2026-10-31" } ] }, { "id": "review-054", "canonicalId": "os-greenspace:49E9C782-A773-A491-E063-8CCAA00A0EF3", "memberIds": [ "os-greenspace:49E9C782-A773-A491-E063-8CCAA00A0EF3", "osm:way/4364818" ], "reason": "Matching distinctive site identity and physical polygon correspondence: current OSM versus bundled OS outline IoU 88.3103%, OS coverage 89.0722%, OSM coverage 99.0407%. This decision uses the source polygons and retained names, not centroid distance alone. No conflicting site identifier, numbered name or directional qualifier was found among these members. The primary association website is stored in the current OSM object; external website fetch was inaccessible, so identity rests on named polygon correspondence, not unverified website contents.", "evidence": [ { "url": "https://www.openstreetmap.org/way/4364818", "checkedAt": "2026-10-31" }, { "url": "https://www.ordnancesurvey.co.uk/products/os-open-greenspace", "checkedAt": "2026-10-31" }, { "url": "https://childshillallotments.org.uk/", "checkedAt": "2026-10-31" } ] }, { "id": "review-056", "canonicalId": "os-greenspace:49E9C783-F3C8-A491-E063-8CCAA00A0EF3", "memberIds": [ "os-greenspace:49E9C783-F3C8-A491-E063-8CCAA00A0EF3", "osm:way/113222477", "os-greenspace:49E9C6FA-1F27-A491-E063-8CCAA00A0EF3", "os-greenspace:49E9C783-F3C9-A491-E063-8CCAA00A0EF3", "osm:way/171263681", "os-greenspace:49E9C783-F3CF-A491-E063-8CCAA00A0EF3" ], "reason": "Matching distinctive site identity and physical polygon correspondence: current OSM versus bundled OS outline IoU 85.5544%, OS coverage 93.8406%, OSM coverage 90.6446%. City of York Council explicitly describes Wigginton Road as one site divided into four operating sections either side of Crichton Avenue bridge. The current council GIS models it with five polygon parts; parts are not separate allotment sites. Current council geometry independently places all six retained catalogue observations in Wigginton Road. Their union has94.6298% IoU with the council Road footprint and covers98.7775% of it;95.7512% of the combined source geometry is within council Road. The source observation OSF3CF was previously assigned the name Wigginton Terrace Allotments. The current official Road polygon covers97.5241% of that record, while official Terrace has0% overlap. Correct its active name to Wigginton Road before merging, retaining the original name in sourceRecords and removing that incorrect active Terrace alias. Keep OSF3CE Wigginton Terrace separate:99.7744% is within the distinct council Terrace footprint and0% intersects Road. The current operator independently lists Wigginton Road and Wigginton Terrace as separate sites.", "evidence": [ { "url": "https://www.openstreetmap.org/way/113222477", "checkedAt": "2026-10-31" }, { "url": "https://www.ordnancesurvey.co.uk/products/os-open-greenspace", "checkedAt": "2026-10-31" }, { "url": "https://www.york.gov.uk/directory-record/390/wigginton-road-allotments", "checkedAt": "2026-10-31" }, { "url": "https://yorkallotments.org/allotment-sites/", "checkedAt": "2026-10-31" }, { "url": "https://maps.york.gov.uk/arcgis/rest/services/Public/EnvPlan/MapServer/26/query?where=UPPER%28NAME%29+LIKE+%27%25WIGGINTON%25%27&outFields=%2A&outSR=4326&returnGeometry=true&f=geojson", "checkedAt": "2026-10-31" }, { "url": "https://www.openstreetmap.org/way/171263681", "checkedAt": "2026-10-31" } ], "overrides": { "kind": "allotment", "removeActiveAliases": [ "Wigginton Terrace Allotments" ] } }, { "id": "review-057", "canonicalId": "os-greenspace:49E9C789-04B0-A491-E063-8CCAA00A0EF3", "memberIds": [ "os-greenspace:49E9C789-04B0-A491-E063-8CCAA00A0EF3", "osm:way/51191349", "osm:way/277799274" ], "reason": "Matching distinctive site identity and physical polygon correspondence: current OSM versus bundled OS outline IoU 69.7873%, OS coverage 69.8621%, OSM coverage 99.8469%. This decision uses the source polygons and retained names, not centroid distance alone. No conflicting site identifier, numbered name or directional qualifier was found among these members. The council lists Waterloo Meadows as a named allotment site. The project operator places its community plot within the Reading Borough Council Waterloo Meadows allotment site. Unnamed OSM way277799274 is a contiguous smaller parcel sharing a boundary with the main Waterloo Meadows polygon, with97.5653% of its area inside the same OS Waterloo Meadows footprint and no positive-area overlap with any other OS growing-site outline. Both OSM parcels together cover79.7363% of the OS site and are99.5585% within it. The official council register/map identifies one Waterloo Meadows site here; the community project operator explicitly locates its plot inside that council site, not as a separate allotment complex.", "evidence": [ { "url": "https://www.openstreetmap.org/way/51191349", "checkedAt": "2026-10-31" }, { "url": "https://www.ordnancesurvey.co.uk/products/os-open-greenspace", "checkedAt": "2026-10-31" }, { "url": "https://www.reading.gov.uk/leisure/outdoors/allotments/notes-to-12-month-written-notice-letter-to-plotholders/", "checkedAt": "2026-10-31" }, { "url": "https://www.food4families.org.uk/KatesgroveCommunityAllotment.cfm", "checkedAt": "2026-10-31" }, { "url": "https://www.openstreetmap.org/way/277799274", "checkedAt": "2026-10-31" }, { "url": "https://www.reading.gov.uk/leisure/outdoors/allotments/", "checkedAt": "2026-10-31" }, { "url": "https://www.google.com/maps/d/u/0/embed?mid=1_9MYi3YeshQfMTjWnHGo9_zwZpMqA-k&ehbc=2E312F&noprof=1", "checkedAt": "2026-10-31" } ] }, { "id": "review-058", "canonicalId": "os-greenspace:49E9C78A-27A5-A491-E063-8CCAA00A0EF3", "memberIds": [ "os-greenspace:49E9C78A-27A5-A491-E063-8CCAA00A0EF3", "osm:way/35958764", "osm:way/35958762" ], "reason": "Matching distinctive site identity and physical polygon correspondence: current OSM versus bundled OS outline IoU 66.9428%, OS coverage 67.3068%, OSM coverage 99.1986%. This decision uses the source polygons and retained names, not centroid distance alone. No conflicting site identifier, numbered name or directional qualifier was found among these members. A further same-named OSM parcel osm:way/35958762 was outside the original 30 m centroid shortlist. Both OSM parcels jointly match the OS extent at 97.9932% IoU; the primary council listing identifies one operating site. Include all three source records to avoid leaving a third duplicate pin. Bromley records Southlands Road Allotments as site 192 at Baths Road; two same-named OSM parcels jointly match the OS site extent.", "evidence": [ { "url": "https://www.openstreetmap.org/way/35958764", "checkedAt": "2026-10-31" }, { "url": "https://www.ordnancesurvey.co.uk/products/os-open-greenspace", "checkedAt": "2026-10-31" }, { "url": "https://www.openstreetmap.org/way/35958762", "checkedAt": "2026-10-31" }, { "url": "https://www.bromley.gov.uk/downloads/file/1754/open-space-strategy-appendices", "checkedAt": "2026-10-31" } ] }, { "id": "review-059", "canonicalId": "os-greenspace:49E9C78C-4AB8-A491-E063-8CCAA00A0EF3", "memberIds": [ "os-greenspace:49E9C78C-4AB8-A491-E063-8CCAA00A0EF3", "osm:way/284038650" ], "reason": "Matching distinctive site identity and physical polygon correspondence: current OSM versus bundled OS outline IoU 95.0978%, OS coverage 99.7958%, OSM coverage 95.2833%. This decision uses the source polygons and retained names, not centroid distance alone. No conflicting site identifier, numbered name or directional qualifier was found among these members. The site-specific council URL is stored on the current OSM object; the identity decision rests on name and95.1% polygon overlap.", "evidence": [ { "url": "https://www.openstreetmap.org/way/284038650", "checkedAt": "2026-10-31" }, { "url": "https://www.ordnancesurvey.co.uk/products/os-open-greenspace", "checkedAt": "2026-10-31" }, { "url": "https://www.manchester.gov.uk/directory_record/433566/edge_lane_allotments", "checkedAt": "2026-10-31" } ] }, { "id": "review-060", "canonicalId": "os-greenspace:49E9C796-3C8F-A491-E063-8CCAA00A0EF3", "memberIds": [ "os-greenspace:49E9C796-3C8F-A491-E063-8CCAA00A0EF3", "osm:way/27358898" ], "reason": "Matching distinctive site identity and physical polygon correspondence: current OSM versus bundled OS outline IoU 96.8634%, OS coverage 97.6772%, OSM coverage 99.1471%. This decision uses the source polygons and retained names, not centroid distance alone. No conflicting site identifier, numbered name or directional qualifier was found among these members.", "evidence": [ { "url": "https://www.openstreetmap.org/way/27358898", "checkedAt": "2026-10-31" }, { "url": "https://www.ordnancesurvey.co.uk/products/os-open-greenspace", "checkedAt": "2026-10-31" } ] }, { "id": "review-061", "canonicalId": "os-greenspace:49E9C79B-0A3E-A491-E063-8CCAA00A0EF3", "memberIds": [ "os-greenspace:49E9C79B-0A3E-A491-E063-8CCAA00A0EF3", "osm:relation/8274681" ], "reason": "Matching distinctive site identity and physical polygon correspondence: current OSM versus bundled OS outline IoU 95.4837%, OS coverage 98.0244%, OSM coverage 97.3573%. This decision uses the source polygons and retained names, not centroid distance alone. No conflicting site identifier, numbered name or directional qualifier was found among these members.", "evidence": [ { "url": "https://www.openstreetmap.org/relation/8274681", "checkedAt": "2026-10-31" }, { "url": "https://www.ordnancesurvey.co.uk/products/os-open-greenspace", "checkedAt": "2026-10-31" } ] }, { "id": "review-062", "canonicalId": "os-greenspace:49E9C79B-D58F-A491-E063-8CCAA00A0EF3", "memberIds": [ "os-greenspace:49E9C79B-D58F-A491-E063-8CCAA00A0EF3", "osm:way/824524994" ], "reason": "Matching distinctive site identity and physical polygon correspondence: current OSM versus bundled OS outline IoU 62.0671%, OS coverage 66.6053%, OSM coverage 90.1080%. This decision uses the source polygons and retained names, not centroid distance alone. No conflicting site identifier, numbered name or directional qualifier was found among these members. District council identifies Pilots Meadow off Adrian Street as one site managed by Dover Town Council. Managing town council names Pilots Meadow as one allotment site.", "evidence": [ { "url": "https://www.openstreetmap.org/way/824524994", "checkedAt": "2026-10-31" }, { "url": "https://www.ordnancesurvey.co.uk/products/os-open-greenspace", "checkedAt": "2026-10-31" }, { "url": "https://www.dover.gov.uk/Council--Democracy/Town--Parish-Councils/Allotments.aspx", "checkedAt": "2026-10-31" }, { "url": "https://dovertowncouncil.gov.uk/project/tackling-climate-change-together/", "checkedAt": "2026-10-31" } ] }, { "id": "review-063", "canonicalId": "os-greenspace:49E9C873-7F23-A491-E063-8CCAA00A0EF3", "memberIds": [ "os-greenspace:49E9C873-7F23-A491-E063-8CCAA00A0EF3", "osm:way/139559359" ], "reason": "Matching distinctive site identity and physical polygon correspondence: current OSM versus bundled OS outline IoU 81.3358%, OS coverage 81.3358%, OSM coverage 100.0000%. This decision uses the source polygons and retained names, not centroid distance alone. No conflicting site identifier, numbered name or directional qualifier was found among these members.", "evidence": [ { "url": "https://www.openstreetmap.org/way/139559359", "checkedAt": "2026-10-31" }, { "url": "https://www.ordnancesurvey.co.uk/products/os-open-greenspace", "checkedAt": "2026-10-31" } ] }, { "id": "review-064", "canonicalId": "os-greenspace:49E9C876-2EC1-A491-E063-8CCAA00A0EF3", "memberIds": [ "os-greenspace:49E9C876-2EC1-A491-E063-8CCAA00A0EF3", "osm:way/1317156670" ], "reason": "Matching distinctive site identity and physical polygon correspondence: current OSM versus bundled OS outline IoU 81.9537%, OS coverage 96.1252%, OSM coverage 84.7535%. This decision uses the source polygons and retained names, not centroid distance alone. No conflicting site identifier, numbered name or directional qualifier was found among these members. Managing council describes Harts Green Garden as one overall space, with community gardening and private plots sharing facilities.", "evidence": [ { "url": "https://www.openstreetmap.org/way/1317156670", "checkedAt": "2026-10-31" }, { "url": "https://www.ordnancesurvey.co.uk/products/os-open-greenspace", "checkedAt": "2026-10-31" }, { "url": "https://www.hart.gov.uk/countryside-and-leisure/harts-green-garden", "checkedAt": "2026-10-31" } ] }, { "id": "review-065", "canonicalId": "osm:way/375151008", "memberIds": [ "osm:way/1159983635", "osm:way/375151008", "os-greenspace:49E9C6E9-A462-A491-E063-8CCAA00A0EF3" ], "reason": "The two current OSM landuse=allotments polygons have the same physical extent (IoU1.0); the catalogue pins coincide. Distinct OSM object IDs describe the same land. Consolidate only the catalogue records; do not edit or delete upstream OSM objects. Additional unnamed OS observation os-greenspace:49E9C6E9-A462-A491-E063-8CCAA00A0EF3 matches the same physical footprint. An exhaustive positive-area intersection check found no second OS footprint intersecting either OSM polygon; this is the same site boundary from another source, not a neighbouring independently named site.", "evidence": [ { "url": "https://www.openstreetmap.org/way/1159983635", "checkedAt": "2026-10-31" }, { "url": "https://www.openstreetmap.org/way/375151008", "checkedAt": "2026-10-31" }, { "url": "https://www.ordnancesurvey.co.uk/products/os-open-greenspace", "checkedAt": "2026-10-31" } ] }, { "id": "review-066", "canonicalId": "osm:way/119476332", "memberIds": [ "osm:way/119476332", "osm:way/130584509", "os-greenspace:49E9C76C-02C5-A491-E063-8CCAA00A0EF3" ], "reason": "The two current OSM landuse=allotments polygons have the same physical extent (IoU1.0); the catalogue pins coincide. Distinct OSM object IDs describe the same land. Consolidate only the catalogue records; do not edit or delete upstream OSM objects. Additional unnamed OS observation os-greenspace:49E9C76C-02C5-A491-E063-8CCAA00A0EF3 matches the same physical footprint. An exhaustive positive-area intersection check found no second OS footprint intersecting either OSM polygon; this is the same site boundary from another source, not a neighbouring independently named site.", "evidence": [ { "url": "https://www.openstreetmap.org/way/119476332", "checkedAt": "2026-10-31" }, { "url": "https://www.openstreetmap.org/way/130584509", "checkedAt": "2026-10-31" }, { "url": "https://www.ordnancesurvey.co.uk/products/os-open-greenspace", "checkedAt": "2026-10-31" } ] }, { "id": "review-067", "canonicalId": "osm:way/121560442", "memberIds": [ "osm:way/121560442", "osm:way/813707473", "os-greenspace:49E9C72C-7459-A491-E063-8CCAA00A0EF3" ], "reason": "The two Hall Road OSM outlines overlap94.3414% by IoU; the older smaller outline is99.995% covered by the other. Both identify Hall Road Allotments; the official council list corroborates the one named site. Council scrutiny pack lists a single Hall Road allotment site on Hall Road. Additional unnamed OS observation os-greenspace:49E9C72C-7459-A491-E063-8CCAA00A0EF3 matches the same physical footprint. An exhaustive positive-area intersection check found no second OS footprint intersecting either OSM polygon; this is the same site boundary from another source, not a neighbouring independently named site.", "evidence": [ { "url": "https://www.openstreetmap.org/way/121560442", "checkedAt": "2026-10-31" }, { "url": "https://www.openstreetmap.org/way/813707473", "checkedAt": "2026-10-31" }, { "url": "https://sandwell.moderngov.co.uk/documents/g7454/Public%20reports%20pack%2005th-Feb-2026%2018.00%20Safer%20Neighbourhoods%20and%20Active%20Communities%20Scrutiny%20Board.pdf?T=10", "checkedAt": "2026-10-31" }, { "url": "https://www.ordnancesurvey.co.uk/products/os-open-greenspace", "checkedAt": "2026-10-31" } ] }, { "id": "review-068", "canonicalId": "osm:way/1413972925", "memberIds": [ "osm:way/1413972925", "osm:way/1413972926", "osm:way/1413972927", "osm:way/1413972928", "osm:way/1413972929", "osm:way/1413972930" ], "reason": "All six current OSM ways are non-overlapping growing beds in one community garden, carrying the same complete site name. Their combined bounding box is approximately20.3m east–west by20m north–south; individual beds are components of one site. The operator identifies one Edible Garden whose individual beds were created and expanded by the council. They are components of one growing site, not six independent allotments. Consolidate the catalogue identity to one pin, retaining six distinct bed geometries and all six OSM object IDs as source observations. Project operator identifies the Edible Garden in Annecy Garden as one community growing project whose beds were established and expanded by the council.", "evidence": [ { "url": "https://www.openstreetmap.org/way/1413972925", "checkedAt": "2026-10-31" }, { "url": "https://www.openstreetmap.org/way/1413972926", "checkedAt": "2026-10-31" }, { "url": "https://www.openstreetmap.org/way/1413972927", "checkedAt": "2026-10-31" }, { "url": "https://www.openstreetmap.org/way/1413972928", "checkedAt": "2026-10-31" }, { "url": "https://www.openstreetmap.org/way/1413972929", "checkedAt": "2026-10-31" }, { "url": "https://www.openstreetmap.org/way/1413972930", "checkedAt": "2026-10-31" }, { "url": "https://www.vision21.org.uk/annecy-gardens/", "checkedAt": "2026-10-31" }, { "url": "https://www.cheltenham.gov.uk/environment/climate-action/environmental-groups-in-cheltenham/", "checkedAt": "2026-10-31" } ], "overrides": { "kind": "community_garden" } }, { "id": "review-069", "canonicalId": "osm:way/91574191", "memberIds": [ "osm:way/1570496543", "osm:way/91574191", "os-greenspace:49E9C79B-24B2-A491-E063-8CCAA00A0EF3" ], "reason": "The two Black Lane OSM outlines overlap95.9425% by IoU and both specify 50 plots; one also names Sandwich Town Council as operator. This is the same named physical site corroborated by the managing council, not adjacent independently named sites. The managing town council describes Black Lane as one allotment site, consistent with both overlapping OSM outlines and their matching50-plot tags. Additional unnamed OS observation os-greenspace:49E9C79B-24B2-A491-E063-8CCAA00A0EF3 matches the same physical footprint. An exhaustive positive-area intersection check found no second OS footprint intersecting either OSM polygon; this is the same site boundary from another source, not a neighbouring independently named site.", "evidence": [ { "url": "https://www.openstreetmap.org/way/1570496543", "checkedAt": "2026-10-31" }, { "url": "https://www.openstreetmap.org/way/91574191", "checkedAt": "2026-10-31" }, { "url": "https://www.sandwichtowncouncil.gov.uk/wp-content/uploads/sites/114/2024/11/Finance-and-General-Purposes-Agenda-20-Nov-24-FINAL.pdf", "checkedAt": "2026-10-31" }, { "url": "https://www.ordnancesurvey.co.uk/products/os-open-greenspace", "checkedAt": "2026-10-31" } ] }, { "id": "review-070", "canonicalId": "osm:way/263233257", "memberIds": [ "osm:way/177949848", "osm:way/263233257", "os-greenspace:49E9C79D-0CC7-A491-E063-8CCAA00A0EF3" ], "reason": "The unnamed and named Morecambe Road OSM allotment outlines overlap98.7602% by IoU, with the named polygon entirely contained in the unnamed outline. The stored pin coordinates coincide; the named object supplies the site identity. The older unnamed object carries a needs-confirming fixme, which should remain in the historical source observation. Additional unnamed OS observation os-greenspace:49E9C79D-0CC7-A491-E063-8CCAA00A0EF3 matches the same physical footprint. An exhaustive positive-area intersection check found no second OS footprint intersecting either OSM polygon; this is the same site boundary from another source, not a neighbouring independently named site.", "evidence": [ { "url": "https://www.openstreetmap.org/way/177949848", "checkedAt": "2026-10-31" }, { "url": "https://www.openstreetmap.org/way/263233257", "checkedAt": "2026-10-31" }, { "url": "https://www.ordnancesurvey.co.uk/products/os-open-greenspace", "checkedAt": "2026-10-31" } ] } ], "corrections": [ { "id": "review-056-name-correction", "siteId": "os-greenspace:49E9C783-F3CF-A491-E063-8CCAA00A0EF3", "name": "Wigginton Road Allotments", "removeAliases": [ "Wigginton Terrace Allotments" ], "reason": "Current official City of York GIS places this source footprint97.5241% within Wigginton Road and0% in the distinct Wigginton Terrace footprint; retain the earlier incorrect name as a historical source observation.", "evidence": [ "https://maps.york.gov.uk/arcgis/rest/services/Public/EnvPlan/MapServer/26/query?where=UPPER%28NAME%29+LIKE+%27%25WIGGINTON%25%27&outFields=%2A&outSR=4326&returnGeometry=true&f=geojson", "https://www.york.gov.uk/directory-record/390/wigginton-road-allotments", "https://yorkallotments.org/allotment-sites/" ] }, { "siteId": "os-greenspace:49E9C721-E082-A491-E063-8CCAA00A0EF3", "removeAliases": [ "Ashley Vale Allotments" ], "point": { "lat": 51.4734368, "lon": -2.579846916130263 }, "oldPoint": { "lat": 51.4743189, "lon": -2.5788332 }, "oldWebsites": [ "https://www.bristol.gov.uk/AllotmentViewer?XSL=appform&ColonySiteId=4#4", "https://swcityfarm.co.uk/avaa-allotments/" ], "reason": "Association source-specific name/operator confirmed by Bristol current finder id5 and City Farm. The imported AllotmentViewer ColonySiteId4 link is a legacy route, not a safe current association URL. Remove ambiguous neighbour alias from active search but retain it historically. Move pin inside corrected association geometry.", "sourceRef": "https://www.openstreetmap.org/relation/20389090", "checkedAt": "2026-10-31", "license": "ODbL-1.0", "id": "review-016-correction-1", "evidence": [ { "url": "https://maps2.bristol.gov.uk/server2/rest/services/ext/ll_leisure_and_culture/MapServer/18/query?objectIds=102%2C107%2C32%2C48%2C51%2C54%2C79%2C93%2C95&outFields=%2A&outSR=4326&returnGeometry=true&f=geojson", "checkedAt": "2026-10-31" }, { "url": "https://www.bristol.gov.uk/residents/museums-parks-sports-and-culture/allotments-and-gardens/apply-for-an-allotment/allotment-finder/allotment?id=5", "checkedAt": "2026-10-31" }, { "url": "https://www.bristol.gov.uk/residents/museums-parks-sports-and-culture/allotments-and-gardens/apply-for-an-allotment/allotment-finder/allotment?id=4", "checkedAt": "2026-10-31" }, { "url": "https://swcityfarm.co.uk/avaa-allotments/", "checkedAt": "2026-10-31" }, { "url": "https://api.openstreetmap.org/api/0.6/relation/20389090/full.json", "checkedAt": "2026-10-31" }, { "url": "https://api.openstreetmap.org/api/0.6/relation/20389314/full.json", "checkedAt": "2026-10-31" } ], "contact": { "website": "https://swcityfarm.co.uk/avaa-allotments/", "contactEvidence": { "sourceUrl": "https://swcityfarm.co.uk/avaa-allotments/", "checkedAt": "2026-10-31", "note": "Association source-specific name/operator confirmed by Bristol current finder id5 and City Farm. The imported AllotmentViewer ColonySiteId4 link is a legacy route, not a safe current association URL. Remove ambiguous neighbour alias from active search but retain it historically. Move pin inside corrected association geometry." } } }, { "siteId": "osm:relation/20389314", "reason": "Preserve this council-run neighbour under its existing ID; use the verified current council Ashley Vale page rather than the obsolete ColonySiteId122 route. Existing source centre lies outside the multipart allotment; move into the council site current OSM footprint.", "sourceRef": "https://www.openstreetmap.org/relation/20389314", "checkedAt": "2026-10-31", "point": { "lat": 51.47656085, "lon": -2.5772520785947446 }, "oldPoint": { "lat": 51.4765093, "lon": -2.5779287 }, "id": "review-016-correction-2", "evidence": [ { "url": "https://maps2.bristol.gov.uk/server2/rest/services/ext/ll_leisure_and_culture/MapServer/18/query?objectIds=102%2C107%2C32%2C48%2C51%2C54%2C79%2C93%2C95&outFields=%2A&outSR=4326&returnGeometry=true&f=geojson", "checkedAt": "2026-10-31" }, { "url": "https://www.bristol.gov.uk/residents/museums-parks-sports-and-culture/allotments-and-gardens/apply-for-an-allotment/allotment-finder/allotment?id=5", "checkedAt": "2026-10-31" }, { "url": "https://www.bristol.gov.uk/residents/museums-parks-sports-and-culture/allotments-and-gardens/apply-for-an-allotment/allotment-finder/allotment?id=4", "checkedAt": "2026-10-31" }, { "url": "https://swcityfarm.co.uk/avaa-allotments/", "checkedAt": "2026-10-31" }, { "url": "https://api.openstreetmap.org/api/0.6/relation/20389090/full.json", "checkedAt": "2026-10-31" }, { "url": "https://api.openstreetmap.org/api/0.6/relation/20389314/full.json", "checkedAt": "2026-10-31" } ], "contact": { "website": "https://www.bristol.gov.uk/residents/museums-parks-sports-and-culture/allotments-and-gardens/apply-for-an-allotment/allotment-finder/allotment?id=4", "contactEvidence": { "sourceUrl": "https://www.bristol.gov.uk/residents/museums-parks-sports-and-culture/allotments-and-gardens/apply-for-an-allotment/allotment-finder/allotment?id=4", "checkedAt": "2026-10-31", "note": "Preserve this council-run neighbour under its existing ID; use the verified current council Ashley Vale page rather than the obsolete ColonySiteId122 route. Existing source centre lies outside the multipart allotment; move into the council site current OSM footprint." } } }, { "siteId": "os-greenspace:49E9C783-6783-A491-E063-8CCAA00A0EF3", "removeAliases": [ "Burial Ground Allotments" ], "point": { "lat": 51.48076450936222, "lon": -0.2627383224751524 }, "oldPoint": { "lat": 51.4801576, "lon": -0.2632734 }, "reason": "Move Staveley pin into its own current OSM named footprint; the previous aggregate centroid fell inside neighbouring Burial Ground.", "sourceRef": "https://www.openstreetmap.org/way/1332409408", "checkedAt": "2026-10-31", "license": "ODbL-1.0", "id": "review-055-correction-1", "evidence": [ { "url": "https://www.hounslow.gov.uk/transport-traffic/staveley-road-hartington-road-combined-access-restriction", "checkedAt": "2026-10-31" }, { "url": "https://growchiswick.org/allotments/", "checkedAt": "2026-10-31" } ] } ], "areaOverrides": [ { "siteId": "os-greenspace:49E9C721-E082-A491-E063-8CCAA00A0EF3", "replaceFeatureIds": [ 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