EPC Ratings in Greater London Authority
County — 172,939 Energy Performance Certificates on record
Key Insights
Properties here could improve by an average of 11 points — from D to C with recommended upgrades.
Annual energy costs here are £378 lower than the national average — saving households money.
CO₂ emissions could be reduced by 1.2 tonnes per property per year — a 43% reduction with energy improvements.
65% of properties are flats — the most common type in Greater London Authority.
Most properties were built 1900-1929 (26%). Older buildings typically have lower EPC ratings due to poorer insulation standards.
42% of properties are owner-occupied — a significant rental market exists here.
EPC Rating
Greater London Authority is 0.5 points worse than the national average (D, 68.5/100).
Rating Distribution
Average Annual Energy Costs
| Cost Type | Greater London Authority | National Avg | Difference |
|---|---|---|---|
| Heating | £486/yr | £782/yr | ▼ £296 |
| Hot water | £124/yr | £184/yr | ▼ £60 |
| Lighting | £73/yr | £95/yr | ▼ £22 |
| Total | £683/yr | £1,061/yr | ▼ £378 |
Property Types
Main Heating Fuel
CO₂ Emissions
Average floor area: 76 m²
Construction Age
Efficiency Trend Over Time
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Greater London Authority has 172,939 Energy Performance Certificates on record, covering 170,940 properties. The average EPC rating is D with an efficiency score of 68 out of 100. Annual energy costs average £683, comprising £486 for heating, £124 for hot water and £73 for lighting. Average CO₂ emissions are 2.8 tonnes per year.