Independent website, not GeoPlace or Ordnance Survey. Open data, explained. Details

Method and sources

Independent website, not GeoPlace or Ordnance Survey.

Sources

• Ordnance Survey, OS Open UPRN and Code-Point Open. Contains OS data © Crown copyright and database right 2026; Royal Mail data © Royal Mail copyright and database right 2026; National Statistics data © Crown copyright and database right 2026. Open Government Licence v3.0.
• planning.data.gov.uk (Ministry of Housing, Communities and Local Government), Open Government Licence v3.0, read live in your browser.
• Scottish Government, Domestic Energy Performance Certificates: fields other than the address, Open Government Licence v3.0. Address fields (Royal Mail) are not used.
• Improvement Service, Spatial Hub Scotland: Conservation Areas, Article 4 Directions. Source: Improvement Service, under the Open Government Licence.
• HM Land Registry, UK House Price Index. Contains HM Land Registry data © Crown copyright and database right 2026, Open Government Licence v3.0.

What we count

41,676,575 UPRNs, each at the point Ordnance Survey gives. The nearest postcode is the nearest postcode centre, not the postal address.

Limits

OS Open UPRN has no addresses, so we cannot turn an address into a UPRN: FindMyAddress can. A blank proves nothing.

Artificial intelligence

AI helped draft explanations. It adds no facts about a property.