EPC.Report

EPC Ratings in Gwynedd

D
Avg Rating
56
Avg Score
38,638
Total Certs
17.1%
F/G Rated
67
National Avg

Gwynedd is below average for energy efficiency — most homes here have room to improve.

Average score: 56 vs national average of 67. 17.1% of homes are rated F or G — above the national average of 2.9%.

Best-Performing Districts

Worst-Performing Districts

All Postcode Districts

Code Area Avg Rating Avg Score % F/G Certificates
LL57 LL57 D 63 7% 7,926
LL56 LL56 D 63 7.2% 881
LL55 LL55 D 58 13.7% 6,648
LL42 LL42 D 58 12.9% 979
LL36 LL36 D 57 16.4% 1,767
LL52 LL52 D 57 14.4% 942
LL49 LL49 D 57 14% 1,584
LL48 LL48 D 55 18.6% 748
LL23 LL23 E 54 20.5% 1,212
LL35 LL35 E 54 17.5% 589
LL40 LL40 E 53 21.8% 1,423
LL41 LL41 E 53 19.7% 2,094
LL53 LL53 E 51 25% 5,890
LL54 LL54 E 51 24% 3,454
LL46 LL46 E 49 24.8% 737
LL43 LL43 E 46 25.6% 156
LL37 LL37 E 46 35.1% 211
LL45 LL45 E 45 34.6% 217
LL44 LL44 E 45 36.2% 365
LL51 LL51 E 45 35.9% 220
LL38 LL38 E 45 31% 313
LL47 LL47 E 42 34.5% 206
LL39 LL39 F 38 50% 76
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