Data Sources

This application uses the following public datasets. All are licensed under the Open Government Licence v3.0.

Energy Performance Certificates (EPC)

Department for Levelling Up, Housing & Communities

Non-address EPC data including energy ratings, property characteristics, floor area, heating and environmental impact. This application does not use EPC address or postcode data, which is subject to separate Ordnance Survey and Royal Mail restrictions.

Contains public sector information licensed under the Open Government Licence v3.0. epc.opendatacommunities.org

Price Paid Data

HM Land Registry

Property transaction history, sale prices and property addresses.

Contains HM Land Registry data © Crown copyright and database right 2025. gov.uk

UK House Price Index

HM Land Registry

Used for indexing historical sale prices to estimated current values.

Contains HM Land Registry data © Crown copyright and database right 2025. gov.uk

INSPIRE Index Polygons

HM Land Registry

Land ownership boundary polygons used for property maps. The polygons (including associated geometry) are subject to Crown copyright and database rights 2025 Ordnance Survey AC0000851063.

Contains HM Land Registry data © Crown copyright and database right 2025. Conditions of use

Open UPRN

Ordnance Survey

Property coordinates (latitude/longitude), postcodes and unique property reference numbers (UPRNs).

OS Open Data

Ordnance Survey

Road networks and building footprints used for maps and neighbourhood analysis.