Cornwall flat energy efficiency
January 2026
Flats are energy-inefficient. The average flat energy rating in Cornwall county is 66.5, D rating. This is by 3.4 worse score than the average flat energy rating in England and Wales. The average potential rating is 75.0, C rating.
Cornwall flats by energy rating
| Energy rating | Cornwall | England & Wales |
|---|
| █ A | 0.1% | 0.1% |
| █ B | 16.6% | 17.4% |
| █ C | 55.6% | 64.6% |
| █ D | 7.9% | 7.7% |
| █ E | 13.7% | 8.2% |
| █ F | 4.3% | 1.6% |
| █ G | 1.8% | 0.5% |
Cornwall map of energy efficiency of flats
Cornwall flats by potential energy rating
| Potential energy rating | Cornwall | England & Wales |
|---|
| █ A | 0.2% | 0.1% |
| █ B | 23.9% | 27.1% |
| █ C | 69.1% | 68.9% |
| █ D | 2.6% | 2.0% |
| █ E | 3.0% | 1.4% |
| █ F | 0.9% | 0.3% |
| █ G | 0.3% | 0.1% |
Cornwall flats by main heating control energy efficiency
| Main heating control | Cornwall | England & Wales |
|---|
| █ very poor | 2.8% | 4.7% |
| █ poor | 22.1% | 14.1% |
| █ average | 18.3% | 24.0% |
| █ good | 49.7% | 54.1% |
| █ very good | 7.1% | 3.1% |
Cornwall flats by main heating energy efficiency
| Main heat efficiency | Cornwall | England & Wales |
|---|
| █ very poor | 17.9% | 14.6% |
| █ poor | 8.1% | 4.4% |
| █ average | 23.4% | 12.2% |
| █ good | 46.0% | 62.8% |
| █ very good | 4.6% | 5.9% |
Cornwall flats by walls energy efficiency
| Walls efficiency | Cornwall | England & Wales |
|---|
| █ very poor | 19.4% | 21.9% |
| █ poor | 11.6% | 14.7% |
| █ average | 8.2% | 8.9% |
| █ good | 45.2% | 39.4% |
| █ very good | 15.7% | 15.2% |
Cornwall flats by windows energy efficiency
| Windows efficiency | Cornwall | England & Wales |
|---|
| █ very poor | 8.4% | 8.9% |
| █ poor | 4.6% | 4.4% |
| █ average | 38.2% | 42.0% |
| █ good | 37.6% | 31.7% |
| █ very good | 11.1% | 12.9% |
Cornwall flats by hot water heating energy efficiency
| Hot water heating energy efficiency | Cornwall | England & Wales |
|---|
| █ very poor | 26.0% | 14.2% |
| █ poor | 8.7% | 6.6% |
| █ average | 16.9% | 13.5% |
| █ good | 43.0% | 58.3% |
| █ very good | 5.4% | 7.4% |
Cornwall flats by lighting energy efficiency
| Lightning energy efficiency | Cornwall | England & Wales |
|---|
| █ very poor | 8.9% | 10.8% |
| █ poor | 5.0% | 5.4% |
| █ average | 9.9% | 10.2% |
| █ good | 13.7% | 13.9% |
| █ very good | 62.4% | 59.8% |
Plumplot area insights - interactive charts and maps
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