Wales house energy certificates

June 2020

The average house energy rating in Wales region is 60.3, D rating. This is by 2.0 worse score than the average house energy rating in England and Wales. The average potential rating is 79.4, C rating.

Wales houses by energy rating

Energy rating	Wales	England & Wales
█ A	0.1%	0.1%
█ B	7.8%	9.6%
█ C	48.5%	50.9%
█ D	15.5%	15.9%
█ E	19.6%	18.2%
█ F	6.3%	4.2%
█ G	2.2%	1.1%

Wales houses by potential energy rating

Potential energy rating	Wales	England & Wales
█ A	5.5%	6.1%
█ B	51.2%	51.4%
█ C	36.2%	36.6%
█ D	2.3%	2.3%
█ E	2.3%	2.1%
█ F	0.8%	0.5%
█ G	1.6%	1.0%

Wales houses by main heating control energy efficiency

Main heating control	Wales	England & Wales
█ very poor	9.3%	6.0%
█ poor	7.7%	6.7%
█ average	33.9%	31.5%
█ good	43.3%	48.0%
█ very good	5.8%	7.7%

Wales houses by main heating energy efficiency

Main heat efficiency	Wales	England & Wales
█ very poor	2.2%	1.7%
█ poor	4.1%	2.5%
█ average	14.8%	9.8%
█ good	75.0%	81.2%
█ very good	3.8%	4.9%

Wales houses by walls energy efficiency

Walls efficiency	Wales	England & Wales
█ very poor	29.4%	24.4%
█ poor	16.4%	16.5%
█ average	6.6%	7.7%
█ good	39.5%	41.8%
█ very good	8.0%	9.6%

Wales houses by windows energy efficiency

Windows efficiency	Wales	England & Wales
█ very poor	4.0%	4.5%
█ poor	4.1%	4.5%
█ average	55.9%	54.7%
█ good	28.6%	27.2%
█ very good	7.3%	9.1%

Wales houses by hot water heating energy efficiency

Hot water heating energy efficiency	Wales	England & Wales
█ very poor	5.8%	4.1%
█ poor	10.1%	7.1%
█ average	16.5%	14.6%
█ good	62.2%	67.8%
█ very good	5.4%	6.4%

Wales houses by lighting energy efficiency

Lightning energy efficiency	Wales	England & Wales
█ very poor	14.9%	15.3%
█ poor	11.5%	11.1%
█ average	18.0%	17.6%
█ good	19.1%	18.5%
█ very good	36.6%	37.5%