Postcode district
EPC ratings in SA1
SA1 in Swansea has 20,641 properties with EPC certificates. The average rating is C, above the Swansea average. Browse sectors below or search for a specific address to view detailed property data. The area is predominantly house (55%). The most frequently recommended improvement is solar photovoltaic panels, 2.5 kwp.
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Percentage of properties in each EPC band across SA1.
Property type mix
Distribution of property types (houses, flats, bungalows) within SA1.
In SA1, the most common EPC-rated properties are house (around 55%) and flat (around 41%). 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 photovoltaic panels, 2.5 kWp
15993 occurrences
- 2
Solar water heating
13710 occurrences
- 3
Low energy lighting for all fixed outlets
13209 occurrences
- 4
Internal or external wall insulation
9268 occurrences
- 5
Floor insulation (solid floor)
7560 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 SA1, Swansea.
Summary
In postcode district SA1 (Swansea), 50.9% of homes with an EPC are rated band C or above, based on the latest certificate for 20,641 homes on the official register (statistics updated June 2026). That is 3.2 percentage points above the England and Wales figure of 47.7%.
Citation
EPC Advisor (2026). EPC ratings in SA1, Swansea. Statistics updated June 2026. Analysis of the MHCLG Get Energy Performance Data register (Open Government Licence v3.0). https://epcadvisor.co.uk/browse/swansea/SA1
- Band C or above:
- a current rating of A, B or C.
- Homes counted:
- 20,641
- 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