Swansea house energy efficiency

June 2023

Houses are energy-inefficient. The average house energy rating in Swansea postcode area is 59.6, D rating. This is by 3.3 worse score than the average house energy rating in England and Wales. The average potential rating is 80.5, C rating.

Swansea houses by energy rating

Energy rating	Swansea	England & Wales
█ A	0.3%	0.2%
█ B	6.7%	8.6%
█ C	47.7%	54.9%
█ D	15.1%	15.3%
█ E	20.4%	16.5%
█ F	7.3%	3.7%
█ G	2.5%	1.0%

Swansea houses by potential energy rating

Potential energy rating	Swansea	England & Wales
█ A	5.7%	5.8%
█ B	54.7%	57.4%
█ C	32.5%	32.2%
█ D	1.8%	1.6%
█ E	2.0%	1.5%
█ F	0.6%	0.4%
█ G	2.6%	1.1%

Swansea houses by main heating control energy efficiency

Main heating control	Swansea	England & Wales
█ very poor	9.6%	5.2%
█ poor	6.1%	5.6%
█ average	32.4%	28.7%
█ good	46.2%	53.3%
█ very good	5.6%	7.2%

Swansea houses by main heating energy efficiency

Main heat efficiency	Swansea	England & Wales
█ very poor	3.0%	1.8%
█ poor	5.2%	2.4%
█ average	19.6%	9.0%
█ good	69.1%	83.3%
█ very good	3.0%	3.5%

Swansea houses by walls energy efficiency

Walls efficiency	Swansea	England & Wales
█ very poor	29.5%	23.8%
█ poor	17.3%	16.6%
█ average	8.8%	12.3%
█ good	36.9%	38.5%
█ very good	7.6%	8.8%

Swansea houses by windows energy efficiency

Windows efficiency	Swansea	England & Wales
█ very poor	3.8%	3.9%
█ poor	3.5%	3.9%
█ average	53.5%	55.8%
█ good	31.6%	28.2%
█ very good	7.6%	8.1%

Swansea houses by hot water heating energy efficiency

Hot water heating energy efficiency	Swansea	England & Wales
█ very poor	7.0%	4.0%
█ poor	12.7%	6.6%
█ average	18.8%	13.6%
█ good	57.7%	71.0%
█ very good	3.8%	4.9%

Swansea houses by lighting energy efficiency

Lightning energy efficiency	Swansea	England & Wales
█ very poor	12.6%	12.6%
█ poor	9.1%	9.0%
█ average	15.3%	15.1%
█ good	19.7%	17.4%
█ very good	43.3%	45.9%