Gwent house energy efficiency

January 2026

Houses are energy-efficient. The average house energy rating in Gwent county is 65.1, D rating. This is by 1.3 better score than the average house energy rating in England and Wales. The average potential rating is 82.2, B rating.

Gwent houses by energy rating

Energy rating	Gwent	England & Wales
█ A	0.3%	0.3%
█ B	8.9%	8.2%
█ C	61.8%	58.7%
█ D	13.0%	14.2%
█ E	12.9%	14.5%
█ F	2.5%	3.2%
█ G	0.7%	0.9%

Gwent houses by potential energy rating

Potential energy rating	Gwent	England & Wales
█ A	5.9%	5.6%
█ B	61.6%	59.3%
█ C	29.8%	31.2%
█ D	0.9%	1.3%
█ E	0.7%	1.2%
█ F	0.2%	0.3%
█ G	0.9%	1.1%

Gwent houses by main heating control energy efficiency

Main heating control	Gwent	England & Wales
█ very poor	6.9%	4.4%
█ poor	4.4%	4.9%
█ average	26.3%	25.9%
█ good	56.6%	57.8%
█ very good	5.8%	7.1%

Gwent houses by main heating energy efficiency

Main heat efficiency	Gwent	England & Wales
█ very poor	1.0%	1.8%
█ poor	1.6%	2.3%
█ average	6.5%	8.5%
█ good	88.4%	84.5%
█ very good	2.5%	2.9%

Gwent houses by walls energy efficiency

Walls efficiency	Gwent	England & Wales
█ very poor	24.5%	22.5%
█ poor	18.6%	16.7%
█ average	11.4%	15.1%
█ good	37.1%	37.2%
█ very good	8.5%	8.5%

Gwent houses by windows energy efficiency

Windows efficiency	Gwent	England & Wales
█ very poor	2.6%	3.5%
█ poor	3.6%	4.9%
█ average	55.6%	55.1%
█ good	30.8%	29.2%
█ very good	7.4%	7.3%

Gwent houses by hot water heating energy efficiency

Hot water heating energy efficiency	Gwent	England & Wales
█ very poor	2.2%	3.7%
█ poor	5.9%	6.1%
█ average	10.3%	12.6%
█ good	78.1%	73.5%
█ very good	3.5%	4.0%

Gwent houses by lighting energy efficiency

Lightning energy efficiency	Gwent	England & Wales
█ very poor	10.6%	10.3%
█ poor	8.6%	7.9%
█ average	12.9%	13.0%
█ good	15.7%	17.0%
█ very good	52.1%	51.8%

→ Home energy efficiency  

→ Flat energy efficiency  

→ Population statistics  

→ Property prices  

→ Salary and unemployment  

→ Energy costs  

→ Home features  

→ Crime statistics