Data sources and attribution
OpenStreetMap
Location data and map tiles: © OpenStreetMap contributors. OpenStreetMap data is available under the Open Database Licence (ODbL) 1.0. Where our listings are derived from OpenStreetMap, that derived database is made available under the same licence on request.
If you spot an error, you can also fix it at the source on openstreetmap.org; our weekly update will pick it up.
Ordnance Survey Code-Point Open
Postcode locations: Contains OS data © Crown copyright and database right 2026. Contains Royal Mail data © Royal Mail copyright and database right 2026. Contains National Statistics data © Crown copyright and database right 2026. Used under the Open Government Licence v3.0.
postcodes.io
A small number of postcodes not covered above (for example in Northern Ireland) are looked up once via postcodes.io and stored.
All active sources
- OpenStreetMap – ODbL 1.0 (© OpenStreetMap contributors)
- Manual edits
- File uploads
What we don't do
We don't copy data from Google Maps, Google reviews or other proprietary directories.