Postcode district
EPC ratings in CO1
CO1 in Colchester has 7,549 properties with EPC certificates. The average rating is C, matching the Colchester 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 CO1.
Property type mix
Distribution of property types (houses, flats, bungalows) within CO1.
In CO1, the most common EPC-rated properties are house (around 52%) and flat (around 42%). 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
5443 occurrences · Code 34
- 2
Solar water heating
5023 occurrences · Code 19
- 3
Low energy lighting for all fixed outlets
4197 occurrences · Code 35
- 4
Internal or external wall insulation
2390 occurrences · Code 7
- 5
Cavity wall insulation
2028 occurrences · Code 6
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