Postcode district
EPC ratings in DL3
DL3 in Darlington has 15,152 properties with EPC certificates. The average rating is D, matching the Darlington 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 photovoltaic panels, 2.5 kwp.
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Percentage of properties in each EPC band across DL3.
Property type mix
Distribution of property types (houses, flats, bungalows) within DL3.
In DL3, the most common EPC-rated properties are house (around 74%) and flat (around 19%). 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
16294 occurrences
- 2
Solar water heating
13748 occurrences
- 3
Low energy lighting for all fixed outlets
11868 occurrences
- 4
Internal or external wall insulation
9243 occurrences
- 5
Replace boiler with new condensing boiler
5723 occurrences
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Use these statistics
Free to reuse with a link to this page. Figures cover homes with an EPC on the official register, counted by their latest certificate. Homes that have never had an EPC are not included, so the figures describe certified homes, not every home in DL3, Darlington.
Summary
In postcode district DL3 (Darlington), 33.7% of homes with an EPC are rated band C or above, based on the latest certificate for 15,152 homes on the official register (statistics updated June 2026). That is 14.0 percentage points below the England and Wales figure of 47.7%.
Citation
EPC Advisor (2026). EPC ratings in DL3, Darlington. Statistics updated June 2026. Analysis of the MHCLG Get Energy Performance Data register (Open Government Licence v3.0). https://epcadvisor.co.uk/browse/darlington/DL3
- Band C or above:
- a current rating of A, B or C.
- Homes counted:
- 15,152
- Statistics updated:
- June 2026
- Source:
- The MHCLG Get Energy Performance Data register, published under the Open Government Licence v3.0. How we calculate these figures · All EPC data downloads