Devon house energy certificates

June 2020

The average house energy rating in Devon county is 61.8, D rating. This is by 0.5 worse score than the average house energy rating in England and Wales. The average potential rating is 79.1, C rating.

Devon houses by energy rating

Energy rating	Devon	England & Wales
█ A	0.3%	0.1%
█ B	12.1%	9.6%
█ C	47.5%	50.9%
█ D	14.4%	15.9%
█ E	17.7%	18.2%
█ F	6.1%	4.2%
█ G	2.0%	1.1%

Devon houses by potential energy rating

Potential energy rating	Devon	England & Wales
█ A	7.9%	6.1%
█ B	47.2%	51.4%
█ C	36.3%	36.6%
█ D	2.6%	2.3%
█ E	3.0%	2.1%
█ F	1.0%	0.5%
█ G	2.1%	1.0%

Devon houses by main heating control energy efficiency

Main heating control	Devon	England & Wales
█ very poor	2.8%	6.0%
█ poor	10.0%	6.7%
█ average	30.4%	31.5%
█ good	47.3%	48.0%
█ very good	9.5%	7.7%

Devon houses by main heating energy efficiency

Main heat efficiency	Devon	England & Wales
█ very poor	3.3%	1.7%
█ poor	5.4%	2.5%
█ average	16.2%	9.8%
█ good	69.6%	81.2%
█ very good	5.5%	4.9%

Devon houses by walls energy efficiency

Walls efficiency	Devon	England & Wales
█ very poor	18.7%	24.4%
█ poor	17.6%	16.5%
█ average	9.5%	7.7%
█ good	41.6%	41.8%
█ very good	12.6%	9.6%

Devon houses by windows energy efficiency

Windows efficiency	Devon	England & Wales
█ very poor	5.1%	4.5%
█ poor	5.1%	4.5%
█ average	50.7%	54.7%
█ good	27.6%	27.2%
█ very good	11.5%	9.1%

Devon houses by hot water heating energy efficiency

Hot water heating energy efficiency	Devon	England & Wales
█ very poor	7.5%	4.1%
█ poor	7.9%	7.1%
█ average	17.9%	14.6%
█ good	58.2%	67.8%
█ very good	8.5%	6.4%

Devon houses by lighting energy efficiency

Lightning energy efficiency	Devon	England & Wales
█ very poor	12.4%	15.3%
█ poor	10.2%	11.1%
█ average	16.6%	17.6%
█ good	18.6%	18.5%
█ very good	42.2%	37.5%