EPC Ratings in Oxfordshire
County — 125,620 Energy Performance Certificates on record
Key Insights
Properties here could improve by an average of 13 points — from C to B with recommended upgrades.
CO₂ emissions could be reduced by 1.6 tonnes per property per year — a 47% reduction with energy improvements.
69% of properties are houses — the most common type in Oxfordshire.
Most properties were built 1950-1966 (16%). Older buildings typically have lower EPC ratings due to poorer insulation standards.
45% of properties are owner-occupied — a significant rental market exists here.
EPC Rating
Oxfordshire is 1.5 points better than the national average (D, 68.5/100).
Rating Distribution
Average Annual Energy Costs
| Cost Type | Oxfordshire | National Avg | Difference |
|---|---|---|---|
| Heating | £802/yr | £782/yr | ▲ £20 |
| Hot water | £190/yr | £184/yr | ▲ £6 |
| Lighting | £99/yr | £95/yr | ▲ £4 |
| Total | £1,091/yr | £1,061/yr | ▲ £30 |
Property Types
Main Heating Fuel
CO₂ Emissions
Average floor area: 96 m²
Construction Age
Efficiency Trend Over Time
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Oxfordshire has 125,620 Energy Performance Certificates on record, covering 119,470 properties. The average EPC rating is C with an efficiency score of 70 out of 100. Annual energy costs average £1,091, comprising £802 for heating, £190 for hot water and £99 for lighting. Average CO₂ emissions are 3.4 tonnes per year.