South Glamorgan home energy efficiency

June 2023

Residential buildings are energy-efficient. The average home energy rating in South Glamorgan county is 66.3, D rating. This is by 1.2 better score than the average home energy rating in England and Wales. The average potential rating is 79.9, C rating.

South Glamorgan homes by energy rating

Energy rating	South Glamorgan	England & Wales
█ A	0.1%	0.1%
█ B	10.6%	11.5%
█ C	62.8%	57.6%
█ D	12.5%	12.9%
█ E	11.6%	14.0%
█ F	1.9%	3.0%
█ G	0.6%	0.8%

South Glamorgan homes by potential energy rating

Potential energy rating	South Glamorgan	England & Wales
█ A	3.1%	3.9%
█ B	49.3%	47.2%
█ C	44.8%	44.4%
█ D	1.3%	1.8%
█ E	1.0%	1.6%
█ F	0.2%	0.4%
█ G	0.3%	0.7%

South Glamorgan homes by main heating control energy efficiency

Main heating control	South Glamorgan	England & Wales
█ very poor	6.2%	5.2%
█ poor	6.9%	8.9%
█ average	31.0%	27.5%
█ good	51.3%	52.5%
█ very good	4.6%	5.9%

South Glamorgan homes by main heating energy efficiency

Main heat efficiency	South Glamorgan	England & Wales
█ very poor	8.5%	6.0%
█ poor	2.3%	3.2%
█ average	7.0%	10.1%
█ good	79.2%	76.2%
█ very good	2.9%	4.6%

South Glamorgan homes by walls energy efficiency

Walls efficiency	South Glamorgan	England & Wales
█ very poor	22.7%	23.5%
█ poor	18.4%	15.9%
█ average	9.4%	10.8%
█ good	40.7%	39.0%
█ very good	8.8%	10.9%

South Glamorgan homes by windows energy efficiency

Windows efficiency	South Glamorgan	England & Wales
█ very poor	2.7%	5.9%
█ poor	3.3%	3.8%
█ average	52.6%	51.1%
█ good	33.7%	29.4%
█ very good	7.7%	9.8%

South Glamorgan homes by hot water heating energy efficiency

Hot water heating energy efficiency	South Glamorgan	England & Wales
█ very poor	7.7%	7.4%
█ poor	4.7%	6.6%
█ average	13.3%	13.6%
█ good	69.3%	66.3%
█ very good	4.9%	6.0%

South Glamorgan homes by lighting energy efficiency

Lightning energy efficiency	South Glamorgan	England & Wales
█ very poor	11.5%	12.6%
█ poor	8.1%	8.0%
█ average	14.2%	13.8%
█ good	16.4%	16.2%
█ very good	49.8%	49.4%