Durham flat energy efficiency

January 2026

Flats are energy-efficient. The average flat energy rating in Durham postcode area is 70.9, C rating. This is by 1.0 better score than the average flat energy rating in England and Wales. The average potential rating is 76.5, C rating.

Durham flats by energy rating

Energy rating	Durham	England & Wales
█ A	0.2%	0.1%
█ B	13.8%	17.4%
█ C	72.3%	64.6%
█ D	5.9%	7.7%
█ E	6.3%	8.2%
█ F	1.2%	1.6%
█ G	0.4%	0.5%

Durham flats by potential energy rating

Potential energy rating	Durham	England & Wales
█ A	0.2%	0.1%
█ B	21.3%	27.1%
█ C	75.8%	68.9%
█ D	1.6%	2.0%
█ E	0.8%	1.4%
█ F	0.1%	0.3%
█ G	0.1%	0.1%

Durham flats by main heating control energy efficiency

Main heating control	Durham	England & Wales
█ very poor	6.2%	4.7%
█ poor	13.6%	14.1%
█ average	25.2%	24.0%
█ good	53.6%	54.1%
█ very good	1.4%	3.1%

Durham flats by main heating energy efficiency

Main heat efficiency	Durham	England & Wales
█ very poor	10.6%	14.6%
█ poor	2.6%	4.4%
█ average	11.6%	12.2%
█ good	71.1%	62.8%
█ very good	4.2%	5.9%

Durham flats by walls energy efficiency

Walls efficiency	Durham	England & Wales
█ very poor	9.6%	21.9%
█ poor	15.8%	14.7%
█ average	10.0%	8.9%
█ good	56.3%	39.4%
█ very good	8.3%	15.2%

Durham flats by windows energy efficiency

Windows efficiency	Durham	England & Wales
█ very poor	4.2%	8.9%
█ poor	2.6%	4.4%
█ average	39.7%	42.0%
█ good	47.2%	31.7%
█ very good	6.3%	12.9%

Durham flats by hot water heating energy efficiency

Hot water heating energy efficiency	Durham	England & Wales
█ very poor	8.8%	14.2%
█ poor	6.8%	6.6%
█ average	11.7%	13.5%
█ good	67.3%	58.3%
█ very good	5.5%	7.4%

Durham flats by lighting energy efficiency

Lightning energy efficiency	Durham	England & Wales
█ very poor	9.6%	10.8%
█ poor	6.3%	5.4%
█ average	12.6%	10.2%
█ good	16.5%	13.9%
█ very good	55.0%	59.8%

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