Postcode district
EPC ratings in SW20
SW20 in Merton has 9,783 properties with EPC certificates. The average rating is D, matching the Merton average. Browse sectors below or search for a specific address to view detailed property data. The area is predominantly house (51%). The most frequently recommended improvement is internal or external wall insulation.
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Percentage of properties in each EPC band across SW20.
Property type mix
Distribution of property types (houses, flats, bungalows) within SW20.
In SW20, the most common EPC-rated properties are house (around 51%) and flat (around 43%). 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
Internal or external wall insulation
7185 occurrences
- 2
Solar photovoltaic panels, 2.5 kWp
6466 occurrences
- 3
Low energy lighting for all fixed outlets
6362 occurrences
- 4
Solar water heating
5077 occurrences
- 5
Floor insulation (suspended floor)
2944 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 SW20, Merton.
Summary
In postcode district SW20 (Merton), 43.1% of homes with an EPC are rated band C or above, based on the latest certificate for 9,783 homes on the official register (statistics updated June 2026). That is 4.6 percentage points below the England and Wales figure of 47.7%.
Citation
EPC Advisor (2026). EPC ratings in SW20, Merton. Statistics updated June 2026. Analysis of the MHCLG Get Energy Performance Data register (Open Government Licence v3.0). https://epcadvisor.co.uk/browse/merton/SW20
- Band C or above:
- a current rating of A, B or C.
- Homes counted:
- 9,783
- 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