Hertfordshire flat energy efficiency

June 2023

Flats are energy-efficient. The average flat energy rating in Hertfordshire county is 71.0, C rating. This is by 1.6 better score than the average flat energy rating in England and Wales. The average potential rating is 76.7, C rating.

Hertfordshire flats by energy rating

Energy rating	Hertfordshire	England & Wales
█ A	0.0%	0.1%
█ B	19.5%	17.3%
█ C	65.2%	63.1%
█ D	6.6%	8.1%
█ E	7.2%	9.0%
█ F	1.2%	1.8%
█ G	0.3%	0.6%

Hertfordshire flats by potential energy rating

Potential energy rating	Hertfordshire	England & Wales
█ A	0.0%	0.1%
█ B	29.3%	27.1%
█ C	67.0%	68.5%
█ D	2.1%	2.2%
█ E	1.4%	1.6%
█ F	0.2%	0.4%
█ G	0.0%	0.1%

Hertfordshire flats by main heating control energy efficiency

Main heating control	Hertfordshire	England & Wales
█ very poor	2.9%	5.2%
█ poor	16.4%	15.2%
█ average	24.1%	25.3%
█ good	50.6%	51.0%
█ very good	5.9%	3.3%

Hertfordshire flats by main heating energy efficiency

Main heat efficiency	Hertfordshire	England & Wales
█ very poor	15.1%	14.1%
█ poor	5.9%	4.8%
█ average	13.9%	12.2%
█ good	61.0%	62.1%
█ very good	4.1%	6.7%

Hertfordshire flats by walls energy efficiency

Walls efficiency	Hertfordshire	England & Wales
█ very poor	9.8%	22.9%
█ poor	13.9%	14.6%
█ average	9.8%	7.8%
█ good	48.2%	39.9%
█ very good	18.3%	14.8%

Hertfordshire flats by windows energy efficiency

Windows efficiency	Hertfordshire	England & Wales
█ very poor	5.0%	9.7%
█ poor	1.8%	3.6%
█ average	44.0%	42.0%
█ good	32.6%	31.6%
█ very good	16.7%	13.1%

Hertfordshire flats by hot water heating energy efficiency

Hot water heating energy efficiency	Hertfordshire	England & Wales
█ very poor	13.4%	14.2%
█ poor	8.5%	6.7%
█ average	17.3%	13.8%
█ good	55.4%	57.0%
█ very good	5.4%	8.3%

Hertfordshire flats by lighting energy efficiency

Lightning energy efficiency	Hertfordshire	England & Wales
█ very poor	11.4%	12.5%
█ poor	6.3%	6.0%
█ average	12.8%	11.4%
█ good	13.9%	13.9%
█ very good	55.6%	56.2%