Postcode district
EPC ratings in CO3
CO3 in Colchester has 10,517 properties with EPC certificates. The average rating is D, below 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 CO3.
Property type mix
Distribution of property types (houses, flats, bungalows) within CO3.
In CO3, the most common EPC-rated properties are house (around 68%) and flat (around 19%). 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
9510 occurrences · Code 34
- 2
Solar water heating
8873 occurrences · Code 19
- 3
Low energy lighting for all fixed outlets
6124 occurrences · Code 35
- 4
Floor insulation (solid floor)
3171 occurrences · Code 58
- 5
Replace boiler with new condensing boiler
3148 occurrences · Code 20
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