Portsmouth home energy efficiency

January 2026

Residential buildings are energy-efficient. The average home energy rating in Portsmouth postcode area is 66.0, D rating. This is by 0.0 better score than the average home energy rating in England and Wales. The average potential rating is 79.3, C rating.

Portsmouth homes by energy rating

Portsmouth homes by energy rating
Energy ratingPortsmouthEngland & Wales
█ A0.2%0.2%
█ B10.0%11.5%
█ C63.5%60.8%
█ D11.4%11.8%
█ E11.5%12.2%
█ F2.6%2.6%
█ G0.7%0.8%

Portsmouth map of energy efficiency of properties

Portsmouth map of energy efficiency of properties

Portsmouth homes by potential energy rating

Portsmouth homes by potential energy rating
Potential energy ratingPortsmouthEngland & Wales
█ A3.3%3.6%
█ B45.6%47.8%
█ C47.6%44.6%
█ D1.4%1.5%
█ E1.3%1.3%
█ F0.3%0.3%
█ G0.5%0.7%

Portsmouth homes by main heating control energy efficiency

Portsmouth homes by main heating control energy efficiency
Main heating controlPortsmouthEngland & Wales
█ very poor2.6%4.5%
█ poor10.7%8.2%
█ average25.8%25.3%
█ good55.5%56.4%
█ very good5.4%5.7%

Portsmouth homes by main heating energy efficiency

Portsmouth homes by main heating energy efficiency
Main heat efficiencyPortsmouthEngland & Wales
█ very poor6.1%6.4%
█ poor3.5%3.0%
█ average10.4%9.8%
█ good76.5%76.7%
█ very good3.5%4.0%

Portsmouth homes by walls energy efficiency

Portsmouth homes by walls energy efficiency
Walls efficiencyPortsmouthEngland & Wales
█ very poor8.1%22.3%
█ poor28.0%15.9%
█ average15.5%12.9%
█ good39.5%38.0%
█ very good8.9%10.9%

Portsmouth homes by windows energy efficiency

Portsmouth homes by windows energy efficiency
Windows efficiencyPortsmouthEngland & Wales
█ very poor3.4%5.4%
█ poor5.0%4.7%
█ average54.9%50.4%
█ good29.4%30.1%
█ very good7.4%9.3%

Portsmouth homes by hot water heating energy efficiency

Portsmouth homes by hot water heating energy efficiency
Hot water heating energy efficiencyPortsmouthEngland & Wales
█ very poor7.6%7.5%
█ poor5.2%6.3%
█ average13.7%12.9%
█ good68.7%68.1%
█ very good4.7%5.2%

Portsmouth homes by lighting energy efficiency

Portsmouth homes by lighting energy efficiency
Lightning energy efficiencyPortsmouthEngland & Wales
█ very poor10.1%10.5%
█ poor7.4%7.0%
█ average12.3%12.0%
█ good16.2%15.9%
█ very good53.9%54.6%

Plumplot area insights - interactive charts and maps

Plumplot area insights - interactive maps and charts

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