Clwyd flat energy efficiency

January 2026

Flats are energy-inefficient. The average flat energy rating in Clwyd county is 67.7, D rating. This is by 2.2 worse score than the average flat energy rating in England and Wales. The average potential rating is 75.5, C rating.

Clwyd flats by energy rating

Energy rating	Clwyd	England & Wales
█ A	0.5%	0.1%
█ B	12.6%	17.4%
█ C	64.6%	64.6%
█ D	7.9%	7.7%
█ E	10.1%	8.2%
█ F	2.9%	1.6%
█ G	1.4%	0.5%

Clwyd flats by potential energy rating

Potential energy rating	Clwyd	England & Wales
█ A	0.6%	0.1%
█ B	21.1%	27.1%
█ C	73.5%	68.9%
█ D	2.2%	2.0%
█ E	1.9%	1.4%
█ F	0.5%	0.3%
█ G	0.2%	0.1%

Clwyd flats by main heating control energy efficiency

Main heating control	Clwyd	England & Wales
█ very poor	2.8%	4.7%
█ poor	16.0%	14.1%
█ average	24.1%	24.0%
█ good	54.5%	54.1%
█ very good	2.6%	3.1%

Clwyd flats by main heating energy efficiency

Main heat efficiency	Clwyd	England & Wales
█ very poor	11.5%	14.6%
█ poor	3.6%	4.4%
█ average	13.4%	12.2%
█ good	67.5%	62.8%
█ very good	4.0%	5.9%

Clwyd flats by walls energy efficiency

Walls efficiency	Clwyd	England & Wales
█ very poor	23.8%	21.9%
█ poor	14.1%	14.7%
█ average	9.5%	8.9%
█ good	42.4%	39.4%
█ very good	10.3%	15.2%

Clwyd flats by windows energy efficiency

Windows efficiency	Clwyd	England & Wales
█ very poor	6.2%	8.9%
█ poor	4.9%	4.4%
█ average	50.0%	42.0%
█ good	31.0%	31.7%
█ very good	7.9%	12.9%

Clwyd flats by hot water heating energy efficiency

Hot water heating energy efficiency	Clwyd	England & Wales
█ very poor	15.3%	14.2%
█ poor	4.8%	6.6%
█ average	11.4%	13.5%
█ good	62.1%	58.3%
█ very good	6.5%	7.4%

Clwyd flats by lighting energy efficiency

Lightning energy efficiency	Clwyd	England & Wales
█ very poor	11.0%	10.8%
█ poor	7.6%	5.4%
█ average	11.7%	10.2%
█ good	15.7%	13.9%
█ very good	54.0%	59.8%

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