Postcode district
EPC ratings in TW9
TW9 in Richmond upon Thames has 8,349 properties with EPC certificates. The average rating is D, matching the Richmond upon Thames average. Browse sectors below or search for a specific address to view detailed property data. The area is predominantly flat (56%). The most frequently recommended improvement is internal or external wall insulation.
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Percentage of properties in each EPC band across TW9.
Property type mix
Distribution of property types (houses, flats, bungalows) within TW9.
In TW9, the most common EPC-rated properties are flat (around 56%) and house (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
Internal or external wall insulation
6132 occurrences
- 2
Low energy lighting for all fixed outlets
5881 occurrences
- 3
Solar photovoltaic panels, 2.5 kWp
4208 occurrences
- 4
Solar water heating
3092 occurrences
- 5
Replace single glazed windows with low-E double glazed windows
2487 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 TW9, Richmond upon Thames.
Summary
In postcode district TW9 (Richmond upon Thames), 43.7% of homes with an EPC are rated band C or above, based on the latest certificate for 8,349 homes on the official register (statistics updated June 2026). That is 4.0 percentage points below the England and Wales figure of 47.7%.
Citation
EPC Advisor (2026). EPC ratings in TW9, Richmond upon Thames. Statistics updated June 2026. Analysis of the MHCLG Get Energy Performance Data register (Open Government Licence v3.0). https://epcadvisor.co.uk/browse/richmond-upon-thames/TW9
- Band C or above:
- a current rating of A, B or C.
- Homes counted:
- 8,349
- 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