Postcode district
EPC ratings in WD18
WD18 in Watford has 8,913 properties with EPC certificates. The average rating is C, above the Watford 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 solar photovoltaic panels, 2.5 kwp.
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Percentage of properties in each EPC band across WD18.
Property type mix
Distribution of property types (houses, flats, bungalows) within WD18.
In WD18, the most common EPC-rated properties are flat (around 56%) and house (around 41%). 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
4950 occurrences
- 2
Low energy lighting for all fixed outlets
4870 occurrences
- 3
Solar water heating
4311 occurrences
- 4
Internal or external wall insulation
3975 occurrences
- 5
Floor insulation (suspended floor)
2007 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 WD18, Watford.
Summary
In postcode district WD18 (Watford), 59.2% of homes with an EPC are rated band C or above, based on the latest certificate for 8,913 homes on the official register (statistics updated June 2026). That is 11.5 percentage points above the England and Wales figure of 47.7%.
Citation
EPC Advisor (2026). EPC ratings in WD18, Watford. Statistics updated June 2026. Analysis of the MHCLG Get Energy Performance Data register (Open Government Licence v3.0). https://epcadvisor.co.uk/browse/watford/WD18
- Band C or above:
- a current rating of A, B or C.
- Homes counted:
- 8,913
- 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