Data Sources and Attribution
Last updated 2026-09-24
Every report shows, per layer, whether it was generated from live data or a sample. Sources used by EPCGuard UK:
| Layer | Publisher | Licence |
|---|---|---|
| Postcode and local authority | postcodes.io (ONS Postcode Directory) | OGL v3 and OS OpenData |
| Energy Performance Certificates (England and Wales) | Get energy performance of buildings data (MHCLG) | OGL v3 |
| MEES rules and penalties | Energy Efficiency (Private Rented Property) (England and Wales) Regulations 2015, GOV.UK landlord guidance, government response of 21 January 2026 | Legislation (OGL and OPSI) |
Contains public sector information licensed under the Open Government Licence v3.0. Contains OS data © Crown copyright and database right. Contains Royal Mail data © Royal Mail copyright and database right. Contains National Statistics data © Crown copyright and database right (via postcodes.io and the ONS Postcode Directory).