Gwent flat energy efficiency

January 2026

Flats are energy-efficient. The average flat energy rating in Gwent county is 70.8, C rating. This is by 0.9 better score than the average flat energy rating in England and Wales. The average potential rating is 76.4, C rating.

Gwent flats by energy rating

Energy rating	Gwent	England & Wales
█ A	0.9%	0.1%
█ B	13.1%	17.4%
█ C	72.1%	64.6%
█ D	5.7%	7.7%
█ E	6.5%	8.2%
█ F	1.2%	1.6%
█ G	0.6%	0.5%

Gwent flats by potential energy rating

Potential energy rating	Gwent	England & Wales
█ A	0.9%	0.1%
█ B	21.6%	27.1%
█ C	74.6%	68.9%
█ D	1.5%	2.0%
█ E	0.9%	1.4%
█ F	0.3%	0.3%
█ G	0.2%	0.1%

Gwent flats by main heating control energy efficiency

Main heating control	Gwent	England & Wales
█ very poor	6.6%	4.7%
█ poor	13.4%	14.1%
█ average	23.5%	24.0%
█ good	54.1%	54.1%
█ very good	2.3%	3.1%

Gwent flats by main heating energy efficiency

Main heat efficiency	Gwent	England & Wales
█ very poor	8.7%	14.6%
█ poor	2.7%	4.4%
█ average	9.5%	12.2%
█ good	75.5%	62.8%
█ very good	3.6%	5.9%

Gwent flats by walls energy efficiency

Walls efficiency	Gwent	England & Wales
█ very poor	17.7%	21.9%
█ poor	13.8%	14.7%
█ average	9.3%	8.9%
█ good	46.9%	39.4%
█ very good	12.4%	15.2%

Gwent flats by windows energy efficiency

Windows efficiency	Gwent	England & Wales
█ very poor	7.5%	8.9%
█ poor	3.2%	4.4%
█ average	41.4%	42.0%
█ good	38.1%	31.7%
█ very good	9.9%	12.9%

Gwent flats by hot water heating energy efficiency

Hot water heating energy efficiency	Gwent	England & Wales
█ very poor	8.5%	14.2%
█ poor	4.3%	6.6%
█ average	10.7%	13.5%
█ good	70.8%	58.3%
█ very good	5.7%	7.4%

Gwent flats by lighting energy efficiency

Lightning energy efficiency	Gwent	England & Wales
█ very poor	13.7%	10.8%
█ poor	6.1%	5.4%
█ average	11.1%	10.2%
█ good	13.5%	13.9%
█ very good	55.6%	59.8%

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