EPC Ratings in Suffolk
County — 134,558 Energy Performance Certificates on record
Key Insights
Properties here could improve by an average of 16 points — from D to B with recommended upgrades.
Annual energy costs here are £66 higher than the national average (£1,127 vs £1,061).
CO₂ emissions could be reduced by 1.7 tonnes per property per year — a 49% reduction with energy improvements.
66% of properties are houses — the most common type in Suffolk.
Most properties were built pre-1900 (12%). Older buildings typically have lower EPC ratings due to poorer insulation standards.
49% of properties are owner-occupied — a significant rental market exists here.
EPC Rating
Suffolk is 0.5 points worse than the national average (D, 68.5/100).
Rating Distribution
Average Annual Energy Costs
| Cost Type | Suffolk | National Avg | Difference |
|---|---|---|---|
| Heating | £824/yr | £782/yr | ▲ £42 |
| Hot water | £200/yr | £184/yr | ▲ £16 |
| Lighting | £102/yr | £95/yr | ▲ £7 |
| Total | £1,127/yr | £1,061/yr | ▲ £66 |
Property Types
Main Heating Fuel
CO₂ Emissions
Average floor area: 91 m²
Construction Age
Efficiency Trend Over Time
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Suffolk has 134,558 Energy Performance Certificates on record, covering 127,469 properties. The average EPC rating is D with an efficiency score of 68 out of 100. Annual energy costs average £1,127, comprising £824 for heating, £200 for hot water and £102 for lighting. Average CO₂ emissions are 3.5 tonnes per year.