Wales house energy efficiency

June 2023

Houses are energy-inefficient. The average house energy rating in Wales region is 61.1, D rating. This is by 1.8 worse score than the average house energy rating in England and Wales. The average potential rating is 80.7, C rating.

Wales houses by energy rating

Energy rating	Wales	England & Wales
█ A	0.2%	0.2%
█ B	7.1%	8.6%
█ C	52.1%	54.9%
█ D	14.9%	15.3%
█ E	18.0%	16.5%
█ F	5.6%	3.7%
█ G	2.0%	1.0%

Wales houses by potential energy rating

Potential energy rating	Wales	England & Wales
█ A	5.5%	5.8%
█ B	57.0%	57.4%
█ C	31.7%	32.2%
█ D	1.7%	1.6%
█ E	1.7%	1.5%
█ F	0.6%	0.4%
█ G	1.9%	1.1%

Wales houses by main heating control energy efficiency

Main heating control	Wales	England & Wales
█ very poor	7.9%	5.2%
█ poor	6.4%	5.6%
█ average	31.3%	28.7%
█ good	48.9%	53.3%
█ very good	5.5%	7.2%

Wales houses by main heating energy efficiency

Main heat efficiency	Wales	England & Wales
█ very poor	2.6%	1.8%
█ poor	4.1%	2.4%
█ average	13.9%	9.0%
█ good	76.7%	83.3%
█ very good	2.8%	3.5%

Wales houses by walls energy efficiency

Walls efficiency	Wales	England & Wales
█ very poor	28.8%	23.8%
█ poor	17.0%	16.6%
█ average	9.7%	12.3%
█ good	37.0%	38.5%
█ very good	7.4%	8.8%

Wales houses by windows energy efficiency

Windows efficiency	Wales	England & Wales
█ very poor	3.5%	3.9%
█ poor	3.6%	3.9%
█ average	55.8%	55.8%
█ good	30.4%	28.2%
█ very good	6.7%	8.1%

Wales houses by hot water heating energy efficiency

Hot water heating energy efficiency	Wales	England & Wales
█ very poor	5.8%	4.0%
█ poor	9.4%	6.6%
█ average	15.5%	13.6%
█ good	65.2%	71.0%
█ very good	4.1%	4.9%

Wales houses by lighting energy efficiency

Lightning energy efficiency	Wales	England & Wales
█ very poor	12.4%	12.6%
█ poor	9.5%	9.0%
█ average	15.5%	15.1%
█ good	17.9%	17.4%
█ very good	44.7%	45.9%