Wiltshire EPC ratings

Over the last 4 quarters, 14,560 domestic Energy Performance Certificates were lodged in Wiltshire. 60.9% were rated C or better, 3.6 points below the England and Wales average of 64.5%. That puts Wiltshire at 212 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.

60.9%rated C or better, last 4 quarters
212of 320 local authorities
241,404certificates since 2008
97.4 m²average floor area per certificate

Band distribution

Last 4 quarters

A 4.1%B 12.8%C 44.1%D 28.5%E 8.2%F 1.8%G 0.5%

All certificates since 2008

A 0.8%B 14.3%C 30.9%D 33.8%E 14.6%F 4.5%G 1.1%

Certificates lodged by quarter

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

Postcode districts in Wiltshire

BA12 · BA13 · BA14 · BA15 · SN10 · SN11 · SN12 · SN13 · SN14 · SN15 · SN16 · SN4 · SN8 · SN9 · SP1 · SP2 · SP3 · SP4 · SP5 · SP9

Radon potential in Wiltshire

50.7% of postcodes in Wiltshire sit in a radon Affected Area, where at least 1 home in 100 is estimated to be at or above the radon action level. 4.8% are in the two highest classes, where at least 1 home in 10 is affected. The highest class found in the area is 6 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

Vale of Glamorgan61.1%C or better · #209South Staffordshire61%C or better · #210Mid Suffolk61%C or better · #211Rotherham60.9%C or better · #213Birmingham60.9%C or better · #214Rutland60.8%C or better · #215
Want the certificate for a specific address in Wiltshire? 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.