Hertfordshire house energy efficiency

June 2023

Houses are ordinary efficient. The average house energy rating in Hertfordshire county is 63.4, D rating. This is by 0.5 better score than the average house energy rating in England and Wales. The average potential rating is 80.7, C rating.

Hertfordshire houses by energy rating

Energy rating	Hertfordshire	England & Wales
█ A	0.1%	0.2%
█ B	6.6%	8.6%
█ C	59.4%	54.9%
█ D	15.2%	15.3%
█ E	15.6%	16.5%
█ F	2.6%	3.7%
█ G	0.5%	1.0%

Hertfordshire houses by potential energy rating

Potential energy rating	Hertfordshire	England & Wales
█ A	3.6%	5.8%
█ B	58.4%	57.4%
█ C	33.9%	32.2%
█ D	1.7%	1.6%
█ E	1.5%	1.5%
█ F	0.3%	0.4%
█ G	0.7%	1.1%

Hertfordshire houses by main heating control energy efficiency

Main heating control	Hertfordshire	England & Wales
█ very poor	2.8%	5.2%
█ poor	5.0%	5.6%
█ average	29.7%	28.7%
█ good	56.4%	53.3%
█ very good	6.2%	7.2%

Hertfordshire houses by main heating energy efficiency

Main heat efficiency	Hertfordshire	England & Wales
█ very poor	1.1%	1.8%
█ poor	1.5%	2.4%
█ average	6.2%	9.0%
█ good	87.8%	83.3%
█ very good	3.5%	3.5%

Hertfordshire houses by walls energy efficiency

Walls efficiency	Hertfordshire	England & Wales
█ very poor	24.4%	23.8%
█ poor	18.8%	16.6%
█ average	12.8%	12.3%
█ good	37.2%	38.5%
█ very good	6.7%	8.8%

Hertfordshire houses by windows energy efficiency

Windows efficiency	Hertfordshire	England & Wales
█ very poor	4.2%	3.9%
█ poor	4.1%	3.9%
█ average	57.5%	55.8%
█ good	28.0%	28.2%
█ very good	6.1%	8.1%

Hertfordshire houses by hot water heating energy efficiency

Hot water heating energy efficiency	Hertfordshire	England & Wales
█ very poor	2.4%	4.0%
█ poor	5.3%	6.6%
█ average	14.9%	13.6%
█ good	72.8%	71.0%
█ very good	4.6%	4.9%

Hertfordshire houses by lighting energy efficiency

Lightning energy efficiency	Hertfordshire	England & Wales
█ very poor	14.4%	12.6%
█ poor	10.0%	9.0%
█ average	15.3%	15.1%
█ good	18.0%	17.4%
█ very good	42.3%	45.9%