Postcode district
EPC ratings in SO23
SO23 in Winchester has 8,312 properties with EPC certificates. The average rating is C, matching the Winchester 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 SO23.
Property type mix
Distribution of property types (houses, flats, bungalows) within SO23.
In SO23, the most common EPC-rated properties are house (around 52%) and flat (around 39%). 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
5825 occurrences · Code 34
- 2
Low energy lighting for all fixed outlets
5383 occurrences · Code 35
- 3
Solar water heating
5251 occurrences · Code 19
- 4
Cavity wall insulation
2543 occurrences · Code 6
- 5
Floor insulation (solid floor)
2073 occurrences · Code 58
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