Local authority
EPC ratings in Swansea
Explore EPC ratings for properties in Swansea. 77,694 properties have been assessed, with an average rating of D. Browse districts below to see local energy efficiency trends, or search for a specific address to view detailed EPC data. The most common improvement recommended across Swansea is solar photovoltaic panels, 2.5 kwp, followed by solar water heating.
On average, 43% of EPC-rated homes in Swansea are band A-C and 57% are band D-G, broadly in line with the England & Wales average.
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Percentage of properties in each EPC band across Swansea.
District breakdown
7 districts in this authority.
SA1
Properties: 20,641
Band A-C
51%
Band D-G
49%
SA2
Properties: 10,611
Band A-C
33%
Band D-G
67%
SA3
Properties: 8,570
Band A-C
33%
Band D-G
67%
SA4
Properties: 12,696
Band A-C
48%
Band D-G
52%
SA5
Properties: 10,628
Band A-C
42%
Band D-G
58%
SA6
Properties: 10,085
Band A-C
38%
Band D-G
62%
SA7
Properties: 4,311
Band A-C
52%
Band D-G
48%
Common improvements in Swansea
Top recommended actions across districts in this authority.
- 1
Solar photovoltaic panels, 2.5 kWp
74805 occurrences
- 2
Solar water heating
64044 occurrences
- 3
Low energy lighting for all fixed outlets
53725 occurrences
- 4
Floor insulation (solid floor)
34829 occurrences
- 5
Cavity wall insulation
12698 occurrences
Check a property in this area
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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 Swansea.
Summary
In Swansea, 43.1% of homes with an EPC are rated band C or above, based on the latest certificate for 77,694 homes on the official register (statistics updated June 2026). That is 4.6 percentage points below the England and Wales figure of 47.7%.
Citation
EPC Advisor (2026). EPC ratings in 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
- Band C or above:
- a current rating of A, B or C.
- Homes counted:
- 77,694
- 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