Postcode district
EPC ratings in CO4
CO4 in Colchester has 17,127 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 CO4.
Property type mix
Distribution of property types (houses, flats, bungalows) within CO4.
In CO4, the most common EPC-rated properties are house (around 66%) and flat (around 23%). 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 water heating
15155 occurrences · Code 19
- 2
Solar photovoltaic panels, 2.5 kWp
14603 occurrences · Code 34
- 3
Low energy lighting for all fixed outlets
9469 occurrences · Code 35
- 4
Floor insulation (solid floor)
5737 occurrences · Code 58
- 5
Replace boiler with new condensing boiler
5547 occurrences · Code 20
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