Wales flat energy efficiency
January 2026
Flats are ordinary efficient. The average flat energy rating in Wales region is 69.4, C rating. This is by 0.6 worse score than the average flat energy rating in England and Wales. The average potential rating is 76.2, C rating.
Wales flats by energy rating
| Energy rating | Wales | England & Wales |
|---|
| █ A | 0.7% | 0.1% |
| █ B | 13.6% | 17.4% |
| █ C | 67.4% | 64.6% |
| █ D | 7.1% | 7.7% |
| █ E | 8.4% | 8.2% |
| █ F | 2.0% | 1.6% |
| █ G | 0.8% | 0.5% |
Wales map of energy efficiency of flats
Wales flats by potential energy rating
| Potential energy rating | Wales | England & Wales |
|---|
| █ A | 0.8% | 0.1% |
| █ B | 23.0% | 27.1% |
| █ C | 72.5% | 68.9% |
| █ D | 1.8% | 2.0% |
| █ E | 1.4% | 1.4% |
| █ F | 0.4% | 0.3% |
| █ G | 0.2% | 0.1% |
Wales flats by main heating control energy efficiency
| Main heating control | Wales | England & Wales |
|---|
| █ very poor | 5.3% | 4.7% |
| █ poor | 13.6% | 14.1% |
| █ average | 23.7% | 24.0% |
| █ good | 54.7% | 54.1% |
| █ very good | 2.8% | 3.1% |
Wales flats by main heating energy efficiency
| Main heat efficiency | Wales | England & Wales |
|---|
| █ very poor | 14.9% | 14.6% |
| █ poor | 3.9% | 4.4% |
| █ average | 12.5% | 12.2% |
| █ good | 65.3% | 62.8% |
| █ very good | 3.4% | 5.9% |
Wales flats by walls energy efficiency
| Walls efficiency | Wales | England & Wales |
|---|
| █ very poor | 19.7% | 21.9% |
| █ poor | 14.0% | 14.7% |
| █ average | 8.1% | 8.9% |
| █ good | 46.0% | 39.4% |
| █ very good | 12.2% | 15.2% |
Wales flats by windows energy efficiency
| Windows efficiency | Wales | England & Wales |
|---|
| █ very poor | 5.3% | 8.9% |
| █ poor | 3.9% | 4.4% |
| █ average | 43.9% | 42.0% |
| █ good | 36.9% | 31.7% |
| █ very good | 10.0% | 12.9% |
Wales flats by hot water heating energy efficiency
| Hot water heating energy efficiency | Wales | England & Wales |
|---|
| █ very poor | 14.5% | 14.2% |
| █ poor | 6.0% | 6.6% |
| █ average | 13.3% | 13.5% |
| █ good | 60.7% | 58.3% |
| █ very good | 5.5% | 7.4% |
Wales flats by lighting energy efficiency
| Lightning energy efficiency | Wales | England & Wales |
|---|
| █ very poor | 10.4% | 10.8% |
| █ poor | 6.1% | 5.4% |
| █ average | 11.2% | 10.2% |
| █ good | 15.0% | 13.9% |
| █ very good | 57.3% | 59.8% |
Plumplot area insights - interactive charts and maps
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