Postcode district
EPC ratings in SO15
SO15 in Southampton has 15,952 properties with EPC certificates. The average rating is C, matching the Southampton average. Browse sectors below or search for a specific address to view detailed property data. The area is predominantly flat (55%). The most frequently recommended improvement is low energy lighting for all fixed outlets.
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Percentage of properties in each EPC band across SO15.
Property type mix
Distribution of property types (houses, flats, bungalows) within SO15.
In SO15, the most common EPC-rated properties are flat (around 55%) and house (around 42%). 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
Low energy lighting for all fixed outlets
9243 occurrences
- 2
Solar photovoltaic panels, 2.5 kWp
8516 occurrences
- 3
Cavity wall insulation
7573 occurrences
- 4
Solar water heating
7103 occurrences
- 5
Floor insulation (suspended floor)
4988 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 SO15, Southampton.
Summary
In postcode district SO15 (Southampton), 49.1% of homes with an EPC are rated band C or above, based on the latest certificate for 15,952 homes on the official register (statistics updated June 2026). That is 1.4 percentage points above the England and Wales figure of 47.7%.
Citation
EPC Advisor (2026). EPC ratings in SO15, Southampton. Statistics updated June 2026. Analysis of the MHCLG Get Energy Performance Data register (Open Government Licence v3.0). https://epcadvisor.co.uk/browse/southampton/SO15
- Band C or above:
- a current rating of A, B or C.
- Homes counted:
- 15,952
- 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