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OSM Defibrillator Mapping Progress in the 'CR' Postal Area

Note: There is currently no licence to use the AED location data from the Ambulance Services in Open Street Map. (Even if there was, many are located only by postcode, so the locations are not always precise.) So you must not make any OpenStreetMap edits based on the circles on the map, or the data in the popups or tables below. The data can be used to inform surveys though.

The blue circles on the map are defibrillator locations from the official lists that haven't been matched to an OSM object. The red, orange and yellow circles are OSM objects that haven't been matched to a defibrillator on an official list (orange for AEDs that may not be available 24/7, yellow for AEDs not generally available for public use, and red for everything else). The green lines represent matches from the official data to OSM objects . For more information see below. Note that there is currently no licence/permission to use the external data directly in OSM, so it can only be used to inform surveys.

The matching works as follows: First we check each Ambulence Service location for an OSM amenity=defibrillator object with a matching postcode, with 2km of the postcode centroid. If any are found the nearest such object is matched. Then we go through all unmatched Ambulence Service locations, and look for any unmatched amenity=defibrillator OSM objects within 150m. If any are found, the hearest is matched. Finally, the previous step is repeated, but with an increased distance limit of 500m. Note that this matching is not perfect, and if there are multiple nearby AEDs, or an EAD is a long way from its postcode centriod, they may not be matched correctly.

Defibrillators not matched to an OSM Object

Postcode Location Locality Ref
CR3 6JU Caterham Valley Medical Practice
CR5 3BW Chipstead Valley Primary School
CR0 5AS Coloma Convent Girls School
CR3 6XQ Croudace Ltd Croudace House
CR0 6HA Doctor Surgery
CR3 5PG Douglas Brunton Centre
CR3 7AA North Downs Golf Club
CR5 1NZ St Lukes Leisure Centre
CR3 6RA The Miller Centre
CR6 9NW Warlingham Green Medical Practice
CR6 9PR Warlingham Sports Club
CR3 6RT Wm Morrison Supermarkets Plc
CR3 7EU Woldingham Village Hall

OSM Objects not matched to a defibrillator on an official lists

OSM Object Ref Location
n8154801219 external wall of Waitrose on Malcolm Road, near car park

Note: The entries above are based on a larger bounding box, so will also include unmatched OSM objects from neighbouring postal areas.

Defibrillators matched to an OSM object

Ref Postcode Location OSM Object OSM Location MR Offset
CR3 5RB Caterham Bowling Club n6534042323 93 m
CR3 5UF Park & Bailey n6612938243 77 m
CR8 2HA Tesco Purley n7248188371 inside main entrance next to security desk 171 m
CR3 7LG Woldingham Garden Village Peace Centre Hall n8257611612 On the outside of The Peace Centre village hall 84 m
CR3 5QX Tesco Coulsdon n8257680508 Next to Tobacco counter 97 m
CR6 9RB Warlingham Rugby Club n8257721294 Inside the main hall 178 m
CR3 6LB Waitrose Ltd n8258126986 Outside wall of Waitrose close to pedestrian crossing 22 m
CR3 5NN Caterham Methodist Church n8258335073 On William Road between the Church and Saturn V. 46 m
CR3 5RA The Caterham Dene Hopsital n8264256286 Within the minor injuries unit 53 m
CR3 6HY Tandridge District Council Soper Hall n8264256950 82 m
CR3 5BN Chaldon Village Hall n8264277186 North wall of Chaldon Village Hall clearly visible from the road 98 m
CR6 9LF Elizabeth House Medical Practice n8264299508 On North East wall next to entrance 253 m
CR6 9NF Warlingham Coummunity Library n8264313583 66 m
CR6 9DY Sainsburys Supermarkets Ltd n8264344734 Next to cash machines 63 m

Data derived from OpenStreetMap data, © OpenStreetMap Contributors, licensed under Open Data Commons Open Database License (ODbL). XAPI courtesy of Overpass API.