Suffolk flat energy efficiency

January 2026

Flats are energy-efficient. The average flat energy rating in Suffolk county is 70.1, C rating. This is by 0.2 better score than the average flat energy rating in England and Wales. The average potential rating is 76.1, C rating.

Suffolk flats by energy rating

Energy rating	Suffolk	England & Wales
█ A	0.1%	0.1%
█ B	16.8%	17.4%
█ C	65.7%	64.6%
█ D	6.2%	7.7%
█ E	8.5%	8.2%
█ F	1.8%	1.6%
█ G	0.7%	0.5%

Suffolk flats by potential energy rating

Potential energy rating	Suffolk	England & Wales
█ A	0.2%	0.1%
█ B	26.1%	27.1%
█ C	69.0%	68.9%
█ D	2.1%	2.0%
█ E	1.9%	1.4%
█ F	0.5%	0.3%
█ G	0.2%	0.1%

Suffolk flats by main heating control energy efficiency

Main heating control	Suffolk	England & Wales
█ very poor	1.6%	4.7%
█ poor	20.1%	14.1%
█ average	21.2%	24.0%
█ good	52.7%	54.1%
█ very good	4.4%	3.1%

Suffolk flats by main heating energy efficiency

Main heat efficiency	Suffolk	England & Wales
█ very poor	15.7%	14.6%
█ poor	7.9%	4.4%
█ average	20.3%	12.2%
█ good	51.7%	62.8%
█ very good	4.4%	5.9%

Suffolk flats by walls energy efficiency

Walls efficiency	Suffolk	England & Wales
█ very poor	13.3%	21.9%
█ poor	9.0%	14.7%
█ average	10.3%	8.9%
█ good	53.3%	39.4%
█ very good	14.1%	15.2%

Suffolk flats by windows energy efficiency

Windows efficiency	Suffolk	England & Wales
█ very poor	7.4%	8.9%
█ poor	4.2%	4.4%
█ average	40.0%	42.0%
█ good	38.0%	31.7%
█ very good	10.4%	12.9%

Suffolk flats by hot water heating energy efficiency

Hot water heating energy efficiency	Suffolk	England & Wales
█ very poor	14.3%	14.2%
█ poor	10.5%	6.6%
█ average	21.5%	13.5%
█ good	48.1%	58.3%
█ very good	5.6%	7.4%

Suffolk flats by lighting energy efficiency

Lightning energy efficiency	Suffolk	England & Wales
█ very poor	7.1%	10.8%
█ poor	5.8%	5.4%
█ average	11.9%	10.2%
█ good	16.1%	13.9%
█ very good	59.1%	59.8%

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