Slough flat energy efficiency

January 2026

Flats are energy-efficient. The average flat energy rating in Slough postcode area 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 76.5, C rating.

Slough flats by energy rating

Energy rating	Slough	England & Wales
█ A	0.1%	0.1%
█ B	18.0%	17.4%
█ C	66.6%	64.6%
█ D	6.9%	7.7%
█ E	6.9%	8.2%
█ F	1.3%	1.6%
█ G	0.3%	0.5%

Slough flats by potential energy rating

Potential energy rating	Slough	England & Wales
█ A	0.1%	0.1%
█ B	26.9%	27.1%
█ C	69.3%	68.9%
█ D	2.0%	2.0%
█ E	1.5%	1.4%
█ F	0.2%	0.3%
█ G	0.1%	0.1%

Slough flats by main heating control energy efficiency

Main heating control	Slough	England & Wales
█ very poor	2.6%	4.7%
█ poor	14.3%	14.1%
█ average	22.3%	24.0%
█ good	54.3%	54.1%
█ very good	6.5%	3.1%

Slough flats by main heating energy efficiency

Main heat efficiency	Slough	England & Wales
█ very poor	19.8%	14.6%
█ poor	4.8%	4.4%
█ average	13.9%	12.2%
█ good	57.7%	62.8%
█ very good	3.8%	5.9%

Slough flats by walls energy efficiency

Walls efficiency	Slough	England & Wales
█ very poor	10.8%	21.9%
█ poor	14.4%	14.7%
█ average	9.8%	8.9%
█ good	46.5%	39.4%
█ very good	18.5%	15.2%

Slough flats by windows energy efficiency

Windows efficiency	Slough	England & Wales
█ very poor	4.3%	8.9%
█ poor	3.2%	4.4%
█ average	46.8%	42.0%
█ good	28.2%	31.7%
█ very good	17.4%	12.9%

Slough flats by hot water heating energy efficiency

Hot water heating energy efficiency	Slough	England & Wales
█ very poor	15.3%	14.2%
█ poor	7.3%	6.6%
█ average	18.1%	13.5%
█ good	53.0%	58.3%
█ very good	6.2%	7.4%

Slough flats by lighting energy efficiency

Lightning energy efficiency	Slough	England & Wales
█ very poor	9.6%	10.8%
█ poor	5.3%	5.4%
█ average	9.9%	10.2%
█ good	12.5%	13.9%
█ very good	62.7%	59.8%

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