Swansea flat energy efficiency

January 2026

Flats are ordinary efficient. The average flat energy rating in Swansea postcode area is 68.6, D rating. This is by 1.3 worse score than the average flat energy rating in England and Wales. The average potential rating is 75.8, C rating.

Swansea flats by energy rating

Swansea flats by energy rating
Energy ratingSwanseaEngland & Wales
A0.6%0.1%
B12.3%17.4%
C66.9%64.6%
D7.7%7.7%
E9.5%8.2%
F2.2%1.6%
G0.8%0.5%

Swansea map of energy efficiency of flats

Swansea map of energy efficiency of flats

Swansea flats by potential energy rating

Swansea flats by potential energy rating
Potential energy ratingSwanseaEngland & Wales
A0.6%0.1%
B21.3%27.1%
C74.0%68.9%
D2.0%2.0%
E1.6%1.4%
F0.3%0.3%
G0.2%0.1%

Swansea flats by main heating control energy efficiency

Swansea flats by main heating control energy efficiency
Main heating controlSwanseaEngland & Wales
very poor5.6%4.7%
poor14.5%14.1%
average24.0%24.0%
good53.4%54.1%
very good2.4%3.1%

Swansea flats by main heating energy efficiency

Swansea flats by main heating energy efficiency
Main heat efficiencySwanseaEngland & Wales
very poor14.5%14.6%
poor4.3%4.4%
average14.3%12.2%
good63.7%62.8%
very good3.3%5.9%

Swansea flats by walls energy efficiency

Swansea flats by walls energy efficiency
Walls efficiencySwanseaEngland & Wales
very poor18.8%21.9%
poor13.3%14.7%
average7.5%8.9%
good48.9%39.4%
very good11.5%15.2%

Swansea flats by windows energy efficiency

Swansea flats by windows energy efficiency
Windows efficiencySwanseaEngland & Wales
very poor6.3%8.9%
poor3.5%4.4%
average42.5%42.0%
good37.0%31.7%
very good10.6%12.9%

Swansea flats by hot water heating energy efficiency

Swansea flats by hot water heating energy efficiency
Hot water heating energy efficiencySwanseaEngland & Wales
very poor14.6%14.2%
poor8.2%6.6%
average14.3%13.5%
good58.3%58.3%
very good4.6%7.4%

Swansea flats by lighting energy efficiency

Swansea flats by lighting energy efficiency
Lightning energy efficiencySwanseaEngland & Wales
very poor10.7%10.8%
poor6.3%5.4%
average11.4%10.2%
good18.0%13.9%
very good53.5%59.8%

Plumplot area insights - interactive charts and maps

Plumplot area insights - interactive maps and charts

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