EPC Ratings in Wiltshire
Wiltshire is around the national average for energy efficiency.
Average score: 66 vs national average of 67. 4.1% of homes are rated F or G — above the national average of 2.9%.
Best-Performing Districts
Worst-Performing Districts
All Postcode Districts
| Code | Area | Avg Rating | Avg Score | % F/G | Certificates |
|---|---|---|---|---|---|
| SP4 | SP4 | C | 71 | 2.4% | 12,488 |
| SP9 | SP9 | C | 71 | 2.2% | 3,515 |
| SP2 | SP2 | C | 69 | 2.2% | 11,293 |
| SN12 | SN12 | C | 69 | 2.2% | 8,917 |
| SN11 | SN11 | C | 69 | 2.8% | 8,414 |
| BA13 | BA13 | C | 69 | 3% | 7,369 |
| BA14 | BA14 | D | 68 | 2.4% | 15,896 |
| SP1 | SP1 | D | 67 | 1.9% | 7,709 |
| SP7 | SP7 | D | 67 | 5.9% | 5,381 |
| SN15 | SN15 | D | 67 | 3.5% | 11,859 |
| SN13 | SN13 | D | 67 | 3% | 5,736 |
| SN6 | SN6 | D | 67 | 3.6% | 7,633 |
| SN10 | SN10 | D | 65 | 5.1% | 10,534 |
| SN14 | SN14 | D | 65 | 4.3% | 8,368 |
| BA15 | BA15 | D | 65 | 4.4% | 4,252 |
| BA12 | BA12 | D | 64 | 6% | 10,161 |
| SN16 | SN16 | D | 63 | 6.9% | 4,763 |
| SN8 | SN8 | D | 61 | 6.8% | 7,315 |
| SP5 | SP5 | D | 60 | 7.7% | 6,328 |
| SN9 | SN9 | D | 58 | 9.2% | 2,706 |
| SP3 | SP3 | D | 55 | 13.6% | 3,672 |
Frequently asked questions
What is the average EPC rating in Wiltshire?
The average EPC rating in Wiltshire is D, scoring 66 out of 100 across 21 postcode districts and 164,309 certificates.
What percentage of homes in Wiltshire are rated F or G?
4.1% of homes in Wiltshire fall into the F or G bands, above the national average of 2.9%. Landlords should note that F and G rated properties cannot legally be rented out under current MEES rules.
Understanding EPC ratings
Not sure what these ratings mean for your property? Read our guide to Energy Performance Certificates for a plain-English explanation of the A–G scale. If you're a landlord, check the minimum EPC rules for rental properties — non-compliant homes face fines up to £30,000. Homeowners rated D or below may qualify for free government-funded improvements.