Devon flat energy efficiency
January 2026
Flats are energy-inefficient. The average flat energy rating in Devon county is 67.1, D rating. This is by 2.8 worse score than the average flat energy rating in England and Wales. The average potential rating is 75.2, C rating.
Devon flats by energy rating

| Energy rating | Devon | England & Wales |
|---|
| █ A | 0.1% | 0.1% |
| █ B | 13.3% | 17.4% |
| █ C | 61.6% | 64.6% |
| █ D | 8.9% | 7.7% |
| █ E | 12.0% | 8.2% |
| █ F | 3.0% | 1.6% |
| █ G | 1.0% | 0.5% |
Devon map of energy efficiency of flats

Devon flats by potential energy rating

| Potential energy rating | Devon | England & Wales |
|---|
| █ A | 0.2% | 0.1% |
| █ B | 21.5% | 27.1% |
| █ C | 72.7% | 68.9% |
| █ D | 2.4% | 2.0% |
| █ E | 2.3% | 1.4% |
| █ F | 0.7% | 0.3% |
| █ G | 0.2% | 0.1% |
Devon flats by main heating control energy efficiency

| Main heating control | Devon | England & Wales |
|---|
| █ very poor | 2.6% | 4.7% |
| █ poor | 18.9% | 14.1% |
| █ average | 25.3% | 24.0% |
| █ good | 49.6% | 54.1% |
| █ very good | 3.6% | 3.1% |
Devon flats by main heating energy efficiency

| Main heat efficiency | Devon | England & Wales |
|---|
| █ very poor | 11.9% | 14.6% |
| █ poor | 6.6% | 4.4% |
| █ average | 18.1% | 12.2% |
| █ good | 58.9% | 62.8% |
| █ very good | 4.6% | 5.9% |
Devon flats by walls energy efficiency

| Walls efficiency | Devon | England & Wales |
|---|
| █ very poor | 24.5% | 21.9% |
| █ poor | 17.8% | 14.7% |
| █ average | 8.1% | 8.9% |
| █ good | 39.3% | 39.4% |
| █ very good | 10.3% | 15.2% |
Devon flats by windows energy efficiency

| Windows efficiency | Devon | England & Wales |
|---|
| █ very poor | 8.5% | 8.9% |
| █ poor | 5.7% | 4.4% |
| █ average | 46.1% | 42.0% |
| █ good | 32.3% | 31.7% |
| █ very good | 7.4% | 12.9% |
Devon flats by hot water heating energy efficiency

| Hot water heating energy efficiency | Devon | England & Wales |
|---|
| █ very poor | 17.2% | 14.2% |
| █ poor | 6.2% | 6.6% |
| █ average | 15.8% | 13.5% |
| █ good | 53.1% | 58.3% |
| █ very good | 7.6% | 7.4% |
Devon flats by lighting energy efficiency

| Lightning energy efficiency | Devon | England & Wales |
|---|
| █ very poor | 9.8% | 10.8% |
| █ poor | 6.0% | 5.4% |
| █ average | 10.9% | 10.2% |
| █ good | 14.9% | 13.9% |
| █ very good | 58.4% | 59.8% |
Plumplot area insights - interactive charts and maps

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