Postcode district
EPC ratings in CF11
CF11 in Cardiff has 15,084 properties with EPC certificates. The average rating is C, matching the Cardiff average. Browse sectors below or search for a specific address to view detailed property data. The area is predominantly flat (49%). The most frequently recommended improvement is solar photovoltaic panels, 2.5 kwp.
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Percentage of properties in each EPC band across CF11.
Property type mix
Distribution of property types (houses, flats, bungalows) within CF11.
In CF11, the most common EPC-rated properties are flat (around 49%) and house (around 47%). 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
9865 occurrences
- 2
Low energy lighting for all fixed outlets
8647 occurrences
- 3
Internal or external wall insulation
8472 occurrences
- 4
Solar water heating
7880 occurrences
- 5
Floor insulation (solid floor)
3906 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 CF11, Cardiff.
Summary
In postcode district CF11 (Cardiff), 52.9% of homes with an EPC are rated band C or above, based on the latest certificate for 15,084 homes on the official register (statistics updated June 2026). That is 5.2 percentage points above the England and Wales figure of 47.7%.
Citation
EPC Advisor (2026). EPC ratings in CF11, Cardiff. Statistics updated June 2026. Analysis of the MHCLG Get Energy Performance Data register (Open Government Licence v3.0). https://epcadvisor.co.uk/browse/cardiff/CF11
- Band C or above:
- a current rating of A, B or C.
- Homes counted:
- 15,084
- 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