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Cardiff house energy certificates

The following charts compare house energy certificates in Cardiff postcode area to the house energy certificates in whole England and Wales. Outer ring charts show share in Cardiff, 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.

Cardiff houses 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

Cardiff houses by energy rating
Energy ratingCardiffEngland & Wales
A0.1%0.1%
B6.5%6.7%
C50.0%49.4%
D17.4%16.6%
E21.1%20.4%
F4.1%5.5%
G0.9%1.3%

Cardiff houses by potential energy rating

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

Cardiff houses by potential energy rating
Potential energy ratingCardiffEngland & Wales
A2.7%2.9%
B47.3%43.7%
C44.4%44.5%
D2.7%3.5%
E1.9%3.4%
F0.4%0.9%
G0.6%1.0%

Cardiff houses by main heating control energy efficiency

Cardiff houses by main heating control energy efficiency
Main heating controlCardiffEngland & Wales
very poor14.0%7.2%
poor9.2%11.0%
average37.8%35.3%
good35.6%41.9%
very good3.3%4.6%

Cardiff houses by main heating energy efficiency

Cardiff houses by main heating energy efficiency
Main heat efficiencyCardiffEngland & Wales
very poor1.1%1.7%
poor1.0%2.8%
average9.1%11.9%
good83.0%76.7%
very good5.8%6.9%

Cardiff houses by walls energy efficiency

Cardiff houses by walls energy efficiency
Walls efficiencyCardiffEngland & Wales
very poor33.8%25.8%
poor17.1%17.6%
average3.3%3.6%
good40.6%46.7%
very good5.2%6.3%

Cardiff houses by windows energy efficiency

Cardiff houses by windows energy efficiency
Windows efficiencyCardiffEngland & Wales
very poor3.4%5.5%
poor4.7%5.7%
average59.4%54.7%
good28.0%28.6%
very good4.6%5.7%

Cardiff houses by hot water heating energy efficiency

Cardiff houses by hot water heating energy efficiency
Hot water heating energy efficiencyCardiffEngland & Wales
very poor2.8%4.4%
poor8.1%8.1%
average14.7%16.4%
good67.5%63.1%
very good6.9%8.0%

Cardiff houses by lighting energy efficiency

Cardiff houses by lighting energy efficiency
Lightning energy efficiencyCardiffEngland & Wales
very poor17.7%18.8%
poor14.3%13.5%
average20.8%19.9%
good20.6%19.1%
very good26.6%28.7%

Associated reports:

Cardiff home energy certificates

Cardiff flat energy certificates

Cardiff energy costs

Cardiff home features

Cardiff salary and unemployment

Cardiff real estate market

Cardiff population statistics

Cardiff crime statistics

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