Postcode district
EPC ratings in CM23
CM23 in East Hertfordshire has 13,796 properties with EPC certificates. The average rating is D, matching the East Hertfordshire 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 CM23.
Property type mix
Distribution of property types (houses, flats, bungalows) within CM23.
In CM23, the most common EPC-rated properties are house (around 71%) and flat (around 24%). 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
12568 occurrences · Code 34
- 2
Solar water heating
11610 occurrences · Code 19
- 3
Low energy lighting for all fixed outlets
7934 occurrences · Code 35
- 4
Replace boiler with new condensing boiler
4095 occurrences · Code 20
- 5
Floor insulation (solid floor)
3675 occurrences · Code 58
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