Postcode district
EPC ratings in AL1
AL1 in St Albans has 13,561 properties with EPC certificates. The average rating is C, above the St Albans 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 solar photovoltaic panels, 2.5 kwp.
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Percentage of properties in each EPC band across AL1.
Property type mix
Distribution of property types (houses, flats, bungalows) within AL1.
In AL1, the most common EPC-rated properties are house (around 51%) and flat (around 44%). 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
9160 occurrences
- 2
Low energy lighting for all fixed outlets
8959 occurrences
- 3
Solar water heating
7901 occurrences
- 4
Internal or external wall insulation
5518 occurrences
- 5
Replace boiler with new condensing boiler
3559 occurrences
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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 AL1, St Albans.
Summary
In postcode district AL1 (St Albans), 50.2% of homes with an EPC are rated band C or above, based on the latest certificate for 13,561 homes on the official register (statistics updated June 2026). That is 2.5 percentage points above the England and Wales figure of 47.7%.
Citation
EPC Advisor (2026). EPC ratings in AL1, St Albans. Statistics updated June 2026. Analysis of the MHCLG Get Energy Performance Data register (Open Government Licence v3.0). https://epcadvisor.co.uk/browse/st-albans/AL1
- Band C or above:
- a current rating of A, B or C.
- Homes counted:
- 13,561
- 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