EPC.Report

EPC Ratings in Cardiff

Wales

D
Avg Rating
68
Avg Score
126,622
Total Certs
1.4%
F/G Rated
67
National Avg

Cardiff is around the national average for energy efficiency.

Average score: 68 vs national average of 67.

Check grants for this area Landlord rules What is an EPC?

Best-Performing Districts

CF10 CF10
C (76)
CF3 CF3
C (71)
CF11 CF11
C (69)

Worst-Performing Districts

CF24 CF24
D (65)
CF14 CF14
D (66)
CF23 CF23
D (67)

All Postcode Districts

Code Area Avg Rating Avg Score % F/G Certificates
CF10 CF10 C 76 0.2% 10,547
CF3 CF3 C 71 0.9% 15,433
CF11 CF11 C 69 1.5% 15,435
CF5 CF5 D 68 1.9% 22,769
CF15 CF15 D 68 2% 5,278
CF23 CF23 D 67 1.4% 13,430
CF14 CF14 D 66 1.7% 22,738
CF24 CF24 D 65 1.4% 20,992
Find the best-rated districts in Cardiff →

Understanding EPC ratings

Not sure what these ratings mean for your property? Read our guide to Energy Performance Certificates for a plain-English explanation of the A–G scale. If you're a landlord, check the minimum EPC rules for rental properties — non-compliant homes face fines up to £30,000. Homeowners rated D or below may qualify for free government-funded improvements.

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