London home energy efficiency

January 2026

Residential buildings are energetically very efficient. The average home energy rating in London is 68.0, D rating. This is by 2.0 better score than the average home energy rating in England and Wales. The average potential rating is 77.9, C rating.

London homes by energy rating

Energy rating	London	England & Wales
█ A	0.1%	0.2%
█ B	15.7%	11.5%
█ C	60.5%	60.8%
█ D	11.6%	11.8%
█ E	10.2%	12.2%
█ F	1.5%	2.6%
█ G	0.4%	0.8%

London homes by potential energy rating

Potential energy rating	London	England & Wales
█ A	0.4%	3.6%
█ B	39.8%	47.8%
█ C	56.1%	44.6%
█ D	2.0%	1.5%
█ E	1.3%	1.3%
█ F	0.2%	0.3%
█ G	0.1%	0.7%

London homes by main heating control energy efficiency

Main heating control	London	England & Wales
█ very poor	6.3%	4.5%
█ poor	8.6%	8.2%
█ average	28.1%	25.3%
█ good	54.1%	56.4%
█ very good	2.9%	5.7%

London homes by main heating energy efficiency

Main heat efficiency	London	England & Wales
█ very poor	6.9%	6.4%
█ poor	2.1%	3.0%
█ average	5.9%	9.8%
█ good	77.3%	76.7%
█ very good	7.8%	4.0%

London homes by walls energy efficiency

Walls efficiency	London	England & Wales
█ very poor	42.0%	22.3%
█ poor	15.2%	15.9%
█ average	5.7%	12.9%
█ good	23.5%	38.0%
█ very good	13.5%	10.9%

London homes by windows energy efficiency

Windows efficiency	London	England & Wales
█ very poor	12.6%	5.4%
█ poor	6.6%	4.7%
█ average	44.1%	50.4%
█ good	25.1%	30.1%
█ very good	11.6%	9.3%

London homes by hot water heating energy efficiency

Hot water heating energy efficiency	London	England & Wales
█ very poor	6.5%	7.5%
█ poor	4.0%	6.3%
█ average	10.3%	12.9%
█ good	70.1%	68.1%
█ very good	9.1%	5.2%

London homes by lighting energy efficiency

Lightning energy efficiency	London	England & Wales
█ very poor	12.4%	10.5%
█ poor	5.8%	7.0%
█ average	9.8%	12.0%
█ good	13.7%	15.9%
█ very good	58.3%	54.6%

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