Gwynedd home energy certificates
June 2021
The average home energy rating in Gwynedd county is 54.1, E rating. This is by 10.5 worse score than the average home energy rating in England and Wales. The average potential rating is 75.3, C rating.
Gwynedd homes by energy rating

Energy rating | Gwynedd | England & Wales |
---|
█ A | 0.3% | 0.1% |
█ B | 5.7% | 12.0% |
█ C | 38.3% | 54.9% |
█ D | 12.5% | 13.5% |
█ E | 22.5% | 15.2% |
█ F | 14.2% | 3.4% |
█ G | 6.6% | 0.9% |
Gwynedd map of energy efficiency of properties

Gwynedd homes by potential energy rating

Potential energy rating | Gwynedd | England & Wales |
---|
█ A | 4.7% | 4.2% |
█ B | 37.9% | 44.8% |
█ C | 41.3% | 45.6% |
█ D | 3.8% | 2.2% |
█ E | 5.4% | 1.9% |
█ F | 2.6% | 0.5% |
█ G | 4.4% | 0.7% |
Gwynedd homes by main heating control energy efficiency

Main heating control | Gwynedd | England & Wales |
---|
█ very poor | 4.4% | 5.8% |
█ poor | 17.5% | 9.4% |
█ average | 30.6% | 29.4% |
█ good | 42.4% | 49.0% |
█ very good | 5.1% | 6.4% |
Gwynedd homes by main heating energy efficiency

Main heat efficiency | Gwynedd | England & Wales |
---|
█ very poor | 9.4% | 5.3% |
█ poor | 11.3% | 3.4% |
█ average | 29.5% | 10.4% |
█ good | 47.3% | 75.5% |
█ very good | 2.5% | 5.4% |
Gwynedd homes by walls energy efficiency

Walls efficiency | Gwynedd | England & Wales |
---|
█ very poor | 34.4% | 24.1% |
█ poor | 15.0% | 15.9% |
█ average | 6.3% | 8.1% |
█ good | 36.0% | 40.7% |
█ very good | 8.2% | 11.2% |
Gwynedd homes by windows energy efficiency

Windows efficiency | Gwynedd | England & Wales |
---|
█ very poor | 6.4% | 6.3% |
█ poor | 5.9% | 4.2% |
█ average | 50.0% | 50.8% |
█ good | 31.8% | 28.4% |
█ very good | 5.9% | 10.3% |
Gwynedd homes by hot water heating energy efficiency

Hot water heating energy efficiency | Gwynedd | England & Wales |
---|
█ very poor | 18.1% | 7.1% |
█ poor | 14.7% | 6.9% |
█ average | 21.5% | 14.4% |
█ good | 41.0% | 64.7% |
█ very good | 4.6% | 7.0% |
Gwynedd homes by lighting energy efficiency

Lightning energy efficiency | Gwynedd | England & Wales |
---|
█ very poor | 11.7% | 14.5% |
█ poor | 9.0% | 9.4% |
█ average | 15.2% | 15.8% |
█ good | 17.8% | 17.3% |
█ very good | 46.4% | 43.0% |
Other reports for Gwynedd county