Vale of Glamorgan EPC ratings

Over the last 4 quarters, 2,800 domestic Energy Performance Certificates were lodged in Vale of Glamorgan. 61.1% were rated C or better, 3.4 points below the England and Wales average of 64.5%. That puts Vale of Glamorgan at 209 of 320 local authorities. The most common recent band is C. These figures cover certificates lodged when homes were built, sold or let, so they lean towards housing that recently changed hands rather than the whole stock.

61.1%rated C or better, last 4 quarters
209of 320 local authorities
63,534certificates since 2008
97.5 m²average floor area per certificate

Band distribution

Last 4 quarters

A 5.7%B 7.7%C 47.7%D 32.4%E 5.0%F 1.4%G 0.1%

All certificates since 2008

A 0.9%B 13.4%C 32.0%D 36.8%E 12.9%F 3.2%G 0.9%

Certificates lodged by quarter

Q3 2024Q4 2024Q1 2025Q2 2025Q3 2025Q4 2025Q1 2026Q2 2026

Postcode districts in Vale of Glamorgan

CF61 · CF62 · CF63 · CF64 · CF71

Radon potential in Vale of Glamorgan

90.9% of postcodes in Vale of Glamorgan sit in a radon Affected Area, where at least 1 home in 100 is estimated to be at or above the radon action level. 50.2% are in the two highest classes, where at least 1 home in 10 is affected. The highest class found in the area is 5 of 6. Check any postcode on the radon map.

Contains British Geological Survey and UK Health Security Agency data © BGS/UKHSA, and Ordnance Survey Code-Point Open data © Crown copyright and database right, used under the Open Government Licence v3.0.

Similar-ranked areas

Oadby and Wigston61.3%C or better · #206Epsom and Ewell61.3%C or better · #207Rugby61.2%C or better · #208South Staffordshire61%C or better · #210Mid Suffolk61%C or better · #211Wiltshire60.9%C or better · #212
Want the certificate for a specific address in Vale of Glamorgan? Use the official lookup: find an energy certificate on gov.uk. If your home is rated D or below, start with how to improve your EPC rating.
Source: MHCLG, Live tables on Energy Performance of Buildings Certificates, Table D1 (by local authority), published under the Open Government Licence v3.0. Data covers domestic certificates lodged up to 2026 Q2. Retrieved and last checked on 2026-09-06. Read more on how we handle the data.