Postcode district
EPC ratings in CF37
CF37 in Rhondda Cynon Taf has 12,092 properties with EPC certificates. The average rating is D, matching the Rhondda Cynon Taf average. Browse sectors below or search for a specific address to view detailed property data. The area is predominantly house (80%). The most frequently recommended improvement is solar photovoltaic panels, 2.5 kwp.
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Percentage of properties in each EPC band across CF37.
Property type mix
Distribution of property types (houses, flats, bungalows) within CF37.
In CF37, the most common EPC-rated properties are house (around 80%) and flat (around 16%). 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
13549 occurrences
- 2
Solar water heating
12147 occurrences
- 3
Low energy lighting for all fixed outlets
8589 occurrences
- 4
Internal or external wall insulation
7700 occurrences
- 5
Floor insulation (solid floor)
6331 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 CF37, Rhondda Cynon Taf.
Summary
In postcode district CF37 (Rhondda Cynon Taf), 35.2% of homes with an EPC are rated band C or above, based on the latest certificate for 12,092 homes on the official register (statistics updated June 2026). That is 12.5 percentage points below the England and Wales figure of 47.7%.
Citation
EPC Advisor (2026). EPC ratings in CF37, Rhondda Cynon Taf. Statistics updated June 2026. Analysis of the MHCLG Get Energy Performance Data register (Open Government Licence v3.0). https://epcadvisor.co.uk/browse/rhondda-cynon-taf/CF37
- Band C or above:
- a current rating of A, B or C.
- Homes counted:
- 12,092
- 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