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Hertfordshire home energy certificates

The following charts compare home (both flats and houses) energy certificates in Hertfordshire county to the home energy certificates in whole England and Wales. Outer ring charts show share in Hertfordshire, inner charts show share for England and Wales. Data is taken from energy certificates for domestic buildings. The certificates were issued between 2008-2016. Data is available for more than 50% of all domestic properties. In case of multiple certificate for one property, only the latest available certificate data was used in the charts.

Hertfordshire homes by energy rating

The latest available energy rating converted into a linear 'A to G' rating (from the most energy efficient to the least energy efficient - G). Energy rating was measured in the period of 2008-2016

Hertfordshire homes by energy rating
Energy ratingHertfordshireEngland & Wales
A0.0%0.1%
B9.7%9.5%
C57.0%52.9%
D13.6%14.3%
E15.5%17.3%
F3.5%4.8%
G0.6%1.2%

Hertfordshire homes by potential energy rating

Estimated potential energy rating converted into a linear 'A to G' rating (A - is the most energy efficient)

Hertfordshire homes by potential energy rating
Potential energy ratingHertfordshireEngland & Wales
A1.4%2.1%
B38.7%38.8%
C52.5%50.7%
D3.2%3.4%
E2.9%3.2%
F0.6%0.9%
G0.6%0.9%

Hertfordshire homes by main heating control energy efficiency

Hertfordshire homes by main heating control energy efficiency
Main heating controlHertfordshireEngland & Wales
very poor3.7%7.1%
poor14.3%13.9%
average34.7%33.8%
good42.7%41.2%
very good4.5%4.0%

Hertfordshire homes by main heating energy efficiency

Hertfordshire homes by main heating energy efficiency
Main heat efficiencyHertfordshireEngland & Wales
very poor4.2%4.1%
poor5.0%4.7%
average10.6%11.9%
good73.2%71.7%
very good7.0%7.5%

Hertfordshire homes by walls energy efficiency

Hertfordshire homes by walls energy efficiency
Walls efficiencyHertfordshireEngland & Wales
very poor20.3%25.7%
poor18.2%16.6%
average4.9%3.8%
good48.4%46.3%
very good8.2%7.7%

Hertfordshire homes by windows energy efficiency

Hertfordshire homes by windows energy efficiency
Windows efficiencyHertfordshireEngland & Wales
very poor6.2%7.5%
poor4.7%5.4%
average52.9%50.5%
good28.9%30.0%
very good7.2%6.6%

Hertfordshire homes by hot water heating energy efficiency

Hertfordshire homes by hot water heating energy efficiency
Hot water heating energy efficiencyHertfordshireEngland & Wales
very poor5.5%6.5%
poor7.1%7.8%
average19.0%16.7%
good60.5%60.4%
very good7.9%8.7%

Hertfordshire homes by lighting energy efficiency

Hertfordshire homes by lighting energy efficiency
Lightning energy efficiencyHertfordshireEngland & Wales
very poor20.5%19.1%
poor13.6%12.4%
average19.9%18.8%
good18.1%18.4%
very good27.9%31.3%

Associated reports:

Hertfordshire house energy certificates

Hertfordshire flat energy certificates

Hertfordshire energy costs

Hertfordshire home features

Hertfordshire salary and unemployment

Hertfordshire real estate market

Hertfordshire population statistics

Hertfordshire crime statistics

Homeimage/svg+xmlOpencliparteco green house icon2012-05-29T15:40:56https://openclipart.org/detail/170282/eco-green-house-icon-by-cybergedeondominiquechappardecologygreenhomehouseicon