Cornwall flat energy efficiency

June 2023

Flats are energy-inefficient. The average flat energy rating in Cornwall county is 66.1, D rating. This is by 3.3 worse score than the average flat energy rating in England and Wales. The average potential rating is 74.7, C rating.

Cornwall flats by energy rating

Energy rating	Cornwall	England & Wales
█ A	0.0%	0.1%
█ B	17.2%	17.3%
█ C	53.7%	63.1%
█ D	8.0%	8.1%
█ E	14.3%	9.0%
█ F	4.7%	1.8%
█ G	2.0%	0.6%

Cornwall flats by potential energy rating

Potential energy rating	Cornwall	England & Wales
█ A	0.1%	0.1%
█ B	24.8%	27.1%
█ C	67.8%	68.5%
█ D	2.7%	2.2%
█ E	3.3%	1.6%
█ F	1.0%	0.4%
█ G	0.3%	0.1%

Cornwall flats by main heating control energy efficiency

Main heating control	Cornwall	England & Wales
█ very poor	3.1%	5.2%
█ poor	23.8%	15.2%
█ average	19.5%	25.3%
█ good	46.1%	51.0%
█ very good	7.5%	3.3%

Cornwall flats by main heating energy efficiency

Main heat efficiency	Cornwall	England & Wales
█ very poor	17.6%	14.1%
█ poor	8.9%	4.8%
█ average	22.9%	12.2%
█ good	45.2%	62.1%
█ very good	5.4%	6.7%

Cornwall flats by walls energy efficiency

Walls efficiency	Cornwall	England & Wales
█ very poor	20.4%	22.9%
█ poor	11.2%	14.6%
█ average	7.4%	7.8%
█ good	45.1%	39.9%
█ very good	15.9%	14.8%

Cornwall flats by windows energy efficiency

Windows efficiency	Cornwall	England & Wales
█ very poor	8.9%	9.7%
█ poor	4.3%	3.6%
█ average	38.7%	42.0%
█ good	36.0%	31.6%
█ very good	12.1%	13.1%

Cornwall flats by hot water heating energy efficiency

Hot water heating energy efficiency	Cornwall	England & Wales
█ very poor	25.9%	14.2%
█ poor	9.0%	6.7%
█ average	17.0%	13.8%
█ good	41.9%	57.0%
█ very good	6.2%	8.3%

Cornwall flats by lighting energy efficiency

Lightning energy efficiency	Cornwall	England & Wales
█ very poor	10.4%	12.5%
█ poor	5.6%	6.0%
█ average	11.2%	11.4%
█ good	13.9%	13.9%
█ very good	58.9%	56.2%