Wales house energy certificates
June 2021
The average house energy rating in Wales region is 60.5, D rating. This is by 2.0 worse score than the average house energy rating in England and Wales. The average potential rating is 79.8, C rating.
Wales houses by energy rating

Energy rating | Wales | England & Wales |
---|
█ A | 0.1% | 0.1% |
█ B | 7.6% | 9.4% |
█ C | 49.4% | 51.8% |
█ D | 15.4% | 15.8% |
█ E | 19.2% | 17.8% |
█ F | 6.1% | 4.1% |
█ G | 2.2% | 1.0% |
Wales map of energy efficiency of houses

Wales houses by potential energy rating

Potential energy rating | Wales | England & Wales |
---|
█ A | 5.6% | 6.1% |
█ B | 52.6% | 52.8% |
█ C | 35.1% | 35.5% |
█ D | 2.1% | 2.1% |
█ E | 2.2% | 2.0% |
█ F | 0.8% | 0.5% |
█ G | 1.7% | 1.0% |
Wales houses by main heating control energy efficiency

Main heating control | Wales | England & Wales |
---|
█ very poor | 8.9% | 5.8% |
█ poor | 7.3% | 6.4% |
█ average | 33.3% | 30.8% |
█ good | 44.7% | 49.3% |
█ very good | 5.8% | 7.7% |
Wales houses by main heating energy efficiency

Main heat efficiency | Wales | England & Wales |
---|
█ very poor | 2.4% | 1.7% |
█ poor | 4.1% | 2.4% |
█ average | 14.5% | 9.6% |
█ good | 75.5% | 81.8% |
█ very good | 3.5% | 4.5% |
Wales houses by walls energy efficiency

Walls efficiency | Wales | England & Wales |
---|
█ very poor | 29.4% | 24.4% |
█ poor | 16.6% | 16.5% |
█ average | 7.5% | 8.9% |
█ good | 38.7% | 40.7% |
█ very good | 7.9% | 9.5% |
Wales houses by windows energy efficiency

Windows efficiency | Wales | England & Wales |
---|
█ very poor | 3.9% | 4.4% |
█ poor | 4.0% | 4.4% |
█ average | 56.1% | 55.1% |
█ good | 28.8% | 27.3% |
█ very good | 7.2% | 8.9% |
Wales houses by hot water heating energy efficiency

Hot water heating energy efficiency | Wales | England & Wales |
---|
█ very poor | 5.8% | 4.0% |
█ poor | 9.9% | 7.0% |
█ average | 16.3% | 14.4% |
█ good | 63.0% | 68.7% |
█ very good | 5.0% | 5.9% |
Wales houses by lighting energy efficiency

Lightning energy efficiency | Wales | England & Wales |
---|
█ very poor | 14.2% | 14.6% |
█ poor | 10.9% | 10.5% |
█ average | 17.3% | 17.0% |
█ good | 18.8% | 18.3% |
█ very good | 38.7% | 39.5% |
Other reports for Wales region