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Wales home energy certificates

The following charts compare home (both flats and houses) energy certificates in Wales region to the home energy certificates in whole England and Wales. Outer ring charts show share in Wales, 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.

Wales 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

Wales homes by energy rating
Energy ratingWalesEngland & Wales
A0.1%0.1%
B7.4%9.5%
C49.4%52.9%
D14.8%14.3%
E19.4%17.3%
F6.6%4.8%
G2.3%1.2%

Wales homes by potential energy rating

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

Wales homes by potential energy rating
Potential energy ratingWalesEngland & Wales
A2.6%2.1%
B39.7%38.8%
C48.5%50.7%
D3.3%3.4%
E3.4%3.2%
F1.3%0.9%
G1.2%0.9%

Wales homes by main heating control energy efficiency

Wales homes by main heating control energy efficiency
Main heating controlWalesEngland & Wales
very poor10.3%7.1%
poor13.2%13.9%
average35.9%33.8%
good36.9%41.2%
very good3.6%4.0%

Wales homes by main heating energy efficiency

Wales homes by main heating energy efficiency
Main heat efficiencyWalesEngland & Wales
very poor3.8%4.1%
poor4.8%4.7%
average16.3%11.9%
good69.5%71.7%
very good5.7%7.5%

Wales homes by walls energy efficiency

Wales homes by walls energy efficiency
Walls efficiencyWalesEngland & Wales
very poor29.0%25.7%
poor16.2%16.6%
average3.5%3.8%
good45.0%46.3%
very good6.4%7.7%

Wales homes by windows energy efficiency

Wales homes by windows energy efficiency
Windows efficiencyWalesEngland & Wales
very poor5.8%7.5%
poor4.8%5.4%
average53.4%50.5%
good30.8%30.0%
very good5.2%6.6%

Wales homes by hot water heating energy efficiency

Wales homes by hot water heating energy efficiency
Hot water heating energy efficiencyWalesEngland & Wales
very poor7.0%6.5%
poor10.5%7.8%
average18.9%16.7%
good56.7%60.4%
very good6.9%8.7%

Wales homes by lighting energy efficiency

Wales homes by lighting energy efficiency
Lightning energy efficiencyWalesEngland & Wales
very poor17.8%19.1%
poor13.2%12.4%
average19.5%18.8%
good19.9%18.4%
very good29.7%31.3%

Associated reports:

Wales house energy certificates

Wales flat energy certificates

Wales energy costs

Wales home features

Wales real estate market

Wales population statistics

Wales crime statistics

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