Dyfed house energy efficiency

January 2026

Houses are energetically very inefficient. The average house energy rating in Dyfed county is 58.4, D rating. This is by 5.3 worse score than the average house energy rating in England and Wales. The average potential rating is 80.1, C rating.

Dyfed houses by energy rating

Energy rating	Dyfed	England & Wales
█ A	0.9%	0.3%
█ B	7.6%	8.2%
█ C	43.4%	58.7%
█ D	14.0%	14.2%
█ E	21.3%	14.5%
█ F	9.1%	3.2%
█ G	3.7%	0.9%

Dyfed houses by potential energy rating

Potential energy rating	Dyfed	England & Wales
█ A	8.1%	5.6%
█ B	48.1%	59.3%
█ C	34.0%	31.2%
█ D	1.8%	1.3%
█ E	2.3%	1.2%
█ F	0.9%	0.3%
█ G	4.7%	1.1%

Dyfed houses by main heating control energy efficiency

Main heating control	Dyfed	England & Wales
█ very poor	6.3%	4.4%
█ poor	7.6%	4.9%
█ average	28.6%	25.9%
█ good	49.5%	57.8%
█ very good	8.0%	7.1%

Dyfed houses by main heating energy efficiency

Main heat efficiency	Dyfed	England & Wales
█ very poor	5.0%	1.8%
█ poor	9.0%	2.3%
█ average	32.0%	8.5%
█ good	51.1%	84.5%
█ very good	2.9%	2.9%

Dyfed houses by walls energy efficiency

Walls efficiency	Dyfed	England & Wales
█ very poor	27.9%	22.5%
█ poor	16.8%	16.7%
█ average	10.2%	15.1%
█ good	35.3%	37.2%
█ very good	9.8%	8.5%

Dyfed houses by windows energy efficiency

Windows efficiency	Dyfed	England & Wales
█ very poor	5.2%	3.5%
█ poor	5.3%	4.9%
█ average	47.9%	55.1%
█ good	34.3%	29.2%
█ very good	7.2%	7.3%

Dyfed houses by hot water heating energy efficiency

Hot water heating energy efficiency	Dyfed	England & Wales
█ very poor	10.6%	3.7%
█ poor	14.4%	6.1%
█ average	28.5%	12.6%
█ good	43.5%	73.5%
█ very good	2.9%	4.0%

Dyfed houses by lighting energy efficiency

Lightning energy efficiency	Dyfed	England & Wales
█ very poor	9.6%	10.3%
█ poor	7.5%	7.9%
█ average	12.2%	13.0%
█ good	16.6%	17.0%
█ very good	54.2%	51.8%

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