Postcode district
EPC ratings in DL4
DL4 in County Durham has 4,140 properties with EPC certificates. The average rating is C, above the County Durham average. Browse sectors below or search for a specific address to view detailed property data. The area is predominantly house (80%). The most frequently recommended improvement is solar photovoltaic panels, 2.5 kwp.
EPC distribution
Percentage of properties in each EPC band across DL4.
Property type mix
Distribution of property types (houses, flats, bungalows) within DL4.
In DL4, the most common EPC-rated properties are house (around 80%) and bungalow (around 14%). 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
5329 occurrences · Code M
- 2
Solar water heating
4745 occurrences · Code L
- 3
Low energy lighting for all fixed outlets
2857 occurrences · Code H
- 4
Floor insulation (solid floor)
2006 occurrences · Code E
- 5
Internal or external wall insulation
1649 occurrences · Code C
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