South Glamorgan house energy certificates
The following charts compare house energy certificates in South Glamorgan county to the house energy certificates in whole England and Wales. Outer ring charts show share in South Glamorgan, inner charts show share for England and Wales. Data is taken from energy certificates for domestic buildings. The certificates were issued between 2008-2016. Data is available for more than 50% of all domestic properties. In case of multiple certificate for one property, only the latest available certificate data was used in the charts.
South Glamorgan houses by energy rating
The latest available energy rating converted into a linear 'A to G' rating (from the most energy efficient to the least energy efficient - G). Energy rating was measured in the period of 2008-2016
| Energy rating | South Glamorgan | England & Wales |
|---|
| █ A | 0.0% | 0.1% |
| █ B | 5.5% | 6.7% |
| █ C | 52.9% | 49.4% |
| █ D | 17.6% | 16.6% |
| █ E | 19.7% | 20.4% |
| █ F | 3.6% | 5.5% |
| █ G | 0.7% | 1.3% |
South Glamorgan houses by potential energy rating
Estimated potential energy rating converted into a linear 'A to G' rating (A - is the most energy efficient)
| Potential energy rating | South Glamorgan | England & Wales |
|---|
| █ A | 2.1% | 2.9% |
| █ B | 47.3% | 43.7% |
| █ C | 44.8% | 44.5% |
| █ D | 2.9% | 3.5% |
| █ E | 2.1% | 3.4% |
| █ F | 0.4% | 0.9% |
| █ G | 0.4% | 1.0% |
South Glamorgan houses by main heating control energy efficiency
| Main heating control | South Glamorgan | England & Wales |
|---|
| █ very poor | 9.3% | 7.2% |
| █ poor | 10.1% | 11.0% |
| █ average | 39.7% | 35.3% |
| █ good | 38.1% | 41.9% |
| █ very good | 2.8% | 4.6% |
South Glamorgan houses by main heating energy efficiency
| Main heat efficiency | South Glamorgan | England & Wales |
|---|
| █ very poor | 1.3% | 1.7% |
| █ poor | 1.1% | 2.8% |
| █ average | 8.1% | 11.9% |
| █ good | 84.1% | 76.7% |
| █ very good | 5.4% | 6.9% |
South Glamorgan houses by walls energy efficiency
| Walls efficiency | South Glamorgan | England & Wales |
|---|
| █ very poor | 26.8% | 25.8% |
| █ poor | 22.2% | 17.6% |
| █ average | 3.7% | 3.6% |
| █ good | 43.5% | 46.7% |
| █ very good | 3.8% | 6.3% |
South Glamorgan houses by windows energy efficiency
| Windows efficiency | South Glamorgan | England & Wales |
|---|
| █ very poor | 4.0% | 5.5% |
| █ poor | 5.8% | 5.7% |
| █ average | 57.4% | 54.7% |
| █ good | 29.3% | 28.6% |
| █ very good | 3.5% | 5.7% |
South Glamorgan houses by hot water heating energy efficiency
| Hot water heating energy efficiency | South Glamorgan | England & Wales |
|---|
| █ very poor | 2.8% | 4.4% |
| █ poor | 5.9% | 8.1% |
| █ average | 16.0% | 16.4% |
| █ good | 68.8% | 63.1% |
| █ very good | 6.5% | 8.0% |
South Glamorgan houses by lighting energy efficiency
| Lightning energy efficiency | South Glamorgan | England & Wales |
|---|
| █ very poor | 17.0% | 18.8% |
| █ poor | 13.2% | 13.5% |
| █ average | 19.9% | 19.9% |
| █ good | 20.3% | 19.1% |
| █ very good | 29.6% | 28.7% |
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