Postcode district
EPC ratings in LL57
LL57 in Gwynedd has 7,895 properties with EPC certificates. The average rating is D, matching the Gwynedd average. Browse sectors below or search for a specific address to view detailed property data.
EPC distribution
Percentage of properties in each EPC band across LL57.
Property type mix
Distribution of property types (houses, flats, bungalows) within LL57.
In LL57, the most common EPC-rated properties are house (around 72%) and flat (around 18%). 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
7883 occurrences · Code 34
- 2
Solar water heating
7099 occurrences · Code 19
- 3
Internal or external wall insulation
3809 occurrences · Code 7
- 4
Low energy lighting for all fixed outlets
3786 occurrences · Code 35
- 5
Floor insulation (solid floor)
3297 occurrences · Code 58
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