Postcode district
EPC ratings in SN9
SN9 in Wiltshire has 2,734 properties with EPC certificates. The average rating is D, matching the Wiltshire average. Browse sectors below or search for a specific address to view detailed property data. The area is predominantly house (74%). The most frequently recommended improvement is solar water heating.
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Percentage of properties in each EPC band across SN9.
Property type mix
Distribution of property types (houses, flats, bungalows) within SN9.
In SN9, the most common EPC-rated properties are house (around 74%) and bungalow (around 17%). This mix shapes how easy it is for local homes to improve their EPC ratings.
Top recommendations
Improvements most often recommended in this district.
- 1
Solar water heating
2956 occurrences
- 2
Solar photovoltaic panels, 2.5 kWp
2943 occurrences
- 3
Low energy lighting for all fixed outlets
1813 occurrences
- 4
Floor insulation (solid floor)
1747 occurrences
- 5
Wind turbine
913 occurrences
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Use these statistics
Free to reuse with a link to this page. Figures cover homes with an EPC on the official register, counted by their latest certificate. Homes that have never had an EPC are not included, so the figures describe certified homes, not every home in SN9, Wiltshire.
Summary
In postcode district SN9 (Wiltshire), 21.7% of homes with an EPC are rated band C or above, based on the latest certificate for 2,734 homes on the official register (statistics updated June 2026). That is 26.0 percentage points below the England and Wales figure of 47.7%.
Citation
EPC Advisor (2026). EPC ratings in SN9, Wiltshire. Statistics updated June 2026. Analysis of the MHCLG Get Energy Performance Data register (Open Government Licence v3.0). https://epcadvisor.co.uk/browse/wiltshire/SN9
- Band C or above:
- a current rating of A, B or C.
- Homes counted:
- 2,734
- Statistics updated:
- June 2026
- Source:
- The MHCLG Get Energy Performance Data register, published under the Open Government Licence v3.0. How we calculate these figures · All EPC data downloads