Derby flat energy efficiency

June 2023

Flats are ordinary efficient. The average flat energy rating in Derby postcode area is 69.5, C rating. This is by 0.1 better score than the average flat energy rating in England and Wales. The average potential rating is 76.0, C rating.

Derby flats by energy rating

Energy rating	Derby	England & Wales
█ A	0.0%	0.1%
█ B	16.2%	17.3%
█ C	64.0%	63.1%
█ D	6.7%	8.1%
█ E	10.3%	9.0%
█ F	2.0%	1.8%
█ G	0.7%	0.6%

Derby flats by potential energy rating

Potential energy rating	Derby	England & Wales
█ A	0.1%	0.1%
█ B	25.2%	27.1%
█ C	70.0%	68.5%
█ D	2.3%	2.2%
█ E	1.9%	1.6%
█ F	0.5%	0.4%
█ G	0.1%	0.1%

Derby flats by main heating control energy efficiency

Main heating control	Derby	England & Wales
█ very poor	3.9%	5.2%
█ poor	16.8%	15.2%
█ average	20.8%	25.3%
█ good	55.9%	51.0%
█ very good	2.5%	3.3%

Derby flats by main heating energy efficiency

Main heat efficiency	Derby	England & Wales
█ very poor	16.8%	14.1%
█ poor	5.5%	4.8%
█ average	16.2%	12.2%
█ good	54.7%	62.1%
█ very good	6.8%	6.7%

Derby flats by walls energy efficiency

Walls efficiency	Derby	England & Wales
█ very poor	12.4%	22.9%
█ poor	10.5%	14.6%
█ average	8.7%	7.8%
█ good	55.3%	39.9%
█ very good	13.1%	14.8%

Derby flats by windows energy efficiency

Windows efficiency	Derby	England & Wales
█ very poor	4.7%	9.7%
█ poor	1.9%	3.6%
█ average	43.1%	42.0%
█ good	39.9%	31.6%
█ very good	10.4%	13.1%

Derby flats by hot water heating energy efficiency

Hot water heating energy efficiency	Derby	England & Wales
█ very poor	18.6%	14.2%
█ poor	8.8%	6.7%
█ average	13.3%	13.8%
█ good	51.1%	57.0%
█ very good	8.2%	8.3%

Derby flats by lighting energy efficiency

Lightning energy efficiency	Derby	England & Wales
█ very poor	9.8%	12.5%
█ poor	6.4%	6.0%
█ average	12.8%	11.4%
█ good	14.4%	13.9%
█ very good	56.7%	56.2%