Local authority
EPC ratings in Portsmouth
Explore EPC ratings for properties in Portsmouth. 71,042 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 Portsmouth is solar photovoltaic panels, 2.5 kwp, followed by cavity wall insulation.
On average, 45% of EPC-rated homes in Portsmouth are band A-C and 55% are band D-G, broadly in line with the England & Wales average.
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Percentage of properties in each EPC band across Portsmouth.
District breakdown
6 districts in this authority.
Common improvements in Portsmouth
Top recommended actions across districts in this authority.
- 1
Solar photovoltaic panels, 2.5 kWp
55136 occurrences
- 2
Cavity wall insulation
47247 occurrences
- 3
Low energy lighting for all fixed outlets
47139 occurrences
- 4
Solar water heating
45301 occurrences
- 5
Floor insulation (suspended floor)
17601 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 Portsmouth.
Summary
In Portsmouth, 45.4% of homes with an EPC are rated band C or above, based on the latest certificate for 71,042 homes on the official register (statistics updated June 2026). That is 2.3 percentage points below the England and Wales figure of 47.7%.
Citation
EPC Advisor (2026). EPC ratings in Portsmouth. Statistics updated June 2026. Analysis of the MHCLG Get Energy Performance Data register (Open Government Licence v3.0). https://epcadvisor.co.uk/browse/portsmouth

- Band C or above:
- a current rating of A, B or C.
- Homes counted:
- 71,042
- 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