Postcode district
EPC ratings in CB21
CB21 in South Cambridgeshire has 4,950 properties with EPC certificates. The average rating is D, below the South Cambridgeshire average. Browse sectors below or search for a specific address to view detailed property data. The area is predominantly house (74%). The most frequently recommended improvement is solar water heating.
EPC distribution
Percentage of properties in each EPC band across CB21.
Property type mix
Distribution of property types (houses, flats, bungalows) within CB21.
In CB21, the most common EPC-rated properties are house (around 74%) and bungalow (around 20%). 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
5667 occurrences · Code L
- 2
Solar photovoltaic panels, 2.5 kWp
5595 occurrences · Code M
- 3
Low energy lighting for all fixed outlets
3227 occurrences · Code H
- 4
Floor insulation (solid floor)
2485 occurrences · Code E
- 5
Replace boiler with new condensing boiler
1970 occurrences · Code J
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