data api · United Kingdom

Energy Performance Certificate Ratings (Domestic) - England and Wales

An EPC provides an indication of how much it will cost to heat and power a property, as well as how much CO2 it emits. It also includes recommendations of energy-efficient improvements, the cost of carrying them out, and the potential savings in pounds and pence that each one could generate.

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What's in it

Data offered docs-verified: current energy rating · potential energy rating · inspection date · UPRN · local authority name and code · property point geometry (lat/lon, WKT)
Coverage docs-verified: England and Wales
Resolution llm-inferred: Property-level: each record is geocoded to a point via the OS Open UPRN join
Formats docs-verified: GeoParquet
Access docs-verified: Free, public, anonymous S3 access (no sign-in needed); licence: Open Government Licence v3.0

Useful for

Use cases llm-inferred: Local-authority domestic energy-rating profile for retrofit or net-zero baselines in planning and civils reports · Geocoded EPC layer for building-stock context in flood-resilience or drainage retrofit appraisals · Address-level EPC lookup for ESG or sustainability due diligence on regeneration sites
Audience llm-inferred: GIS analysts · planners · sustainability consultants · energy consultants

Limitations

Constraints docs-verified: Described by the publisher as an experimental dataset · Only the listed export fields (ratings, inspection date, UPRN, local authority, point geometry) are documented; cost, CO2 and recommendation fields from the EPC description are not listed in the export · Geocoding depends on the OS Open UPRN join, so records without a matching UPRN may be excluded · Derived from the government EPC CSVs; the original source requires sign-up to download

Licence: see product README
Authentication: Public; anonymous HTTPS/S3 access via data.source.coop
GitHub stars: Unknown
Last commit: Unknown
Last successful page check: 14/10/2026
Page health: page reachable
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Verification: Not independently verified

Provenance & evidence

Verified via Source Cooperative API /api/v1/products/addresscloud (public product, updated 2025-08-21).

Metadata observed 14/10/2026 · research sweep: manual-2026-10-15 (source.coop)