South Glamorgan home energy efficiency
January 2026
Residential buildings are energy-efficient. The average home energy rating in South Glamorgan county is 67.3, D rating. This is by 1.4 better score than the average home energy rating in England and Wales. The average potential rating is 80.2, C rating.
South Glamorgan homes by energy rating
| Energy rating | South Glamorgan | England & Wales |
|---|
| █ A | 0.6% | 0.2% |
| █ B | 11.0% | 11.5% |
| █ C | 65.1% | 60.8% |
| █ D | 11.2% | 11.8% |
| █ E | 9.9% | 12.2% |
| █ F | 1.6% | 2.6% |
| █ G | 0.5% | 0.8% |
South Glamorgan map of energy efficiency of properties
South Glamorgan homes by potential energy rating
| Potential energy rating | South Glamorgan | England & Wales |
|---|
| █ A | 3.3% | 3.6% |
| █ B | 49.5% | 47.8% |
| █ C | 44.7% | 44.6% |
| █ D | 1.1% | 1.5% |
| █ E | 0.8% | 1.3% |
| █ F | 0.2% | 0.3% |
| █ G | 0.3% | 0.7% |
South Glamorgan homes by main heating control energy efficiency
| Main heating control | South Glamorgan | England & Wales |
|---|
| █ very poor | 5.3% | 4.5% |
| █ poor | 6.3% | 8.2% |
| █ average | 28.0% | 25.3% |
| █ good | 55.9% | 56.4% |
| █ very good | 4.4% | 5.7% |
South Glamorgan homes by main heating energy efficiency
| Main heat efficiency | South Glamorgan | England & Wales |
|---|
| █ very poor | 9.9% | 6.4% |
| █ poor | 2.3% | 3.0% |
| █ average | 6.9% | 9.8% |
| █ good | 78.5% | 76.7% |
| █ very good | 2.3% | 4.0% |
South Glamorgan homes by walls energy efficiency
| Walls efficiency | South Glamorgan | England & Wales |
|---|
| █ very poor | 21.4% | 22.3% |
| █ poor | 18.4% | 15.9% |
| █ average | 10.8% | 12.9% |
| █ good | 40.0% | 38.0% |
| █ very good | 9.4% | 10.9% |
South Glamorgan homes by windows energy efficiency
| Windows efficiency | South Glamorgan | England & Wales |
|---|
| █ very poor | 2.4% | 5.4% |
| █ poor | 4.1% | 4.7% |
| █ average | 50.8% | 50.4% |
| █ good | 34.5% | 30.1% |
| █ very good | 8.2% | 9.3% |
South Glamorgan homes by hot water heating energy efficiency
| Hot water heating energy efficiency | South Glamorgan | England & Wales |
|---|
| █ very poor | 8.3% | 7.5% |
| █ poor | 4.8% | 6.3% |
| █ average | 12.2% | 12.9% |
| █ good | 70.3% | 68.1% |
| █ very good | 4.4% | 5.2% |
South Glamorgan homes by lighting energy efficiency
| Lightning energy efficiency | South Glamorgan | England & Wales |
|---|
| █ very poor | 9.6% | 10.5% |
| █ poor | 7.0% | 7.0% |
| █ average | 12.3% | 12.0% |
| █ good | 15.9% | 15.9% |
| █ very good | 55.3% | 54.6% |
Plumplot area insights - interactive charts and maps
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