Dyfed home energy efficiency

January 2026

Residential buildings are energetically very inefficient. The average home energy rating in Dyfed county is 59.6, D rating. This is by 6.4 worse score than the average home energy rating in England and Wales. The average potential rating is 79.3, C rating.

Dyfed homes by energy rating

Energy rating	Dyfed	England & Wales
█ A	0.9%	0.2%
█ B	8.0%	11.5%
█ C	46.4%	60.8%
█ D	13.1%	11.8%
█ E	20.1%	12.2%
█ F	8.3%	2.6%
█ G	3.3%	0.8%

Dyfed homes by potential energy rating

Potential energy rating	Dyfed	England & Wales
█ A	6.9%	3.6%
█ B	43.3%	47.8%
█ C	40.7%	44.6%
█ D	1.9%	1.5%
█ E	2.4%	1.3%
█ F	0.8%	0.3%
█ G	4.0%	0.7%

Dyfed homes by main heating control energy efficiency

Main heating control	Dyfed	England & Wales
█ very poor	6.0%	4.5%
█ poor	9.6%	8.2%
█ average	28.1%	25.3%
█ good	49.1%	56.4%
█ very good	7.2%	5.7%

Dyfed homes by main heating energy efficiency

Main heat efficiency	Dyfed	England & Wales
█ very poor	6.4%	6.4%
█ poor	8.5%	3.0%
█ average	30.4%	9.8%
█ good	51.6%	76.7%
█ very good	3.0%	4.0%

Dyfed homes by walls energy efficiency

Walls efficiency	Dyfed	England & Wales
█ very poor	27.6%	22.3%
█ poor	16.6%	15.9%
█ average	9.8%	12.9%
█ good	36.4%	38.0%
█ very good	9.6%	10.9%

Dyfed homes by windows energy efficiency

Windows efficiency	Dyfed	England & Wales
█ very poor	6.4%	5.4%
█ poor	5.5%	4.7%
█ average	46.6%	50.4%
█ good	34.4%	30.1%
█ very good	7.0%	9.3%

Dyfed homes by hot water heating energy efficiency

Hot water heating energy efficiency	Dyfed	England & Wales
█ very poor	12.0%	7.5%
█ poor	13.5%	6.3%
█ average	26.7%	12.9%
█ good	44.5%	68.1%
█ very good	3.3%	5.2%

Dyfed homes by lighting energy efficiency

Lightning energy efficiency	Dyfed	England & Wales
█ very poor	9.5%	10.5%
█ poor	7.2%	7.0%
█ average	11.7%	12.0%
█ good	16.2%	15.9%
█ very good	55.4%	54.6%

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