UK EPC statistics and research from 17.62 million searchable records

EPC Atlas Data Insights now covers the complete ten-region England-and-Wales corpus used in the 2026 Data Book. The earlier London and North West studies remain available, while the new Research Hub carries the national and regional v0.3 work.

Open EPC Atlas Research Hub View Data Book 2026

17,624,989searchable records

10regional datasets

4,318,888D-or-below + potential A/B

235,239Solar PV: Yes records

Current flagship studies

The EPC Improvement Gap

National analysis of lower-rated records with potential A/B.

North West

East Lancashire and Greater Manchester findings.

Wales

Lower ratings, solar evidence and off-gas geography.

London

Fabric, window and applicable loft evidence.

Historical two-region research

Earlier pages comparing London and North West are retained as historical snapshots. For national totals and the current research edition, use the ten-region Data Book.

North West EPC statistics London EPC statistics London vs North West Solar PV comparison D-or-below comparison