Postcode district
EPC ratings in CM1
CM1 in Chelmsford has 23,175 properties with EPC certificates. The average rating is C, above the Chelmsford 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 CM1.
Property type mix
Distribution of property types (houses, flats, bungalows) within CM1.
In CM1, the most common EPC-rated properties are house (around 60%) and flat (around 31%). 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
18637 occurrences · Code 34
- 2
Solar water heating
17628 occurrences · Code 19
- 3
Low energy lighting for all fixed outlets
13569 occurrences · Code 35
- 4
Floor insulation (solid floor)
7982 occurrences · Code 58
- 5
Replace boiler with new condensing boiler
5801 occurrences · Code 20
Check a specific property
Enter your postcode to view an EPC report
Pick your address to see live EPC data and improvement recommendations.