Portsmouth house energy efficiency

January 2026

Houses are energy-efficient. The average house energy rating in Portsmouth postcode area is 64.4, D rating. This is by 0.6 better score than the average house energy rating in England and Wales. The average potential rating is 81.3, B rating.

Portsmouth houses by energy rating

Portsmouth houses by energy rating
Energy ratingPortsmouthEngland & Wales
█ A0.2%0.3%
█ B7.9%8.2%
█ C62.2%58.7%
█ D13.6%14.2%
█ E12.5%14.5%
█ F2.8%3.2%
█ G0.8%0.9%

Portsmouth map of energy efficiency of houses

Portsmouth map of energy efficiency of houses

Portsmouth houses by potential energy rating

Portsmouth houses by potential energy rating
Potential energy ratingPortsmouthEngland & Wales
█ A5.1%5.6%
█ B58.3%59.3%
█ C33.5%31.2%
█ D1.0%1.3%
█ E1.0%1.2%
█ F0.3%0.3%
█ G0.8%1.1%

Portsmouth houses by main heating control energy efficiency

Portsmouth houses by main heating control energy efficiency
Main heating controlPortsmouthEngland & Wales
█ very poor2.6%4.4%
█ poor5.8%4.9%
█ average26.7%25.9%
█ good58.4%57.8%
█ very good6.5%7.1%

Portsmouth houses by main heating energy efficiency

Portsmouth houses by main heating energy efficiency
Main heat efficiencyPortsmouthEngland & Wales
█ very poor2.2%1.8%
█ poor1.9%2.3%
█ average6.5%8.5%
█ good86.5%84.5%
█ very good3.0%2.9%

Portsmouth houses by walls energy efficiency

Portsmouth houses by walls energy efficiency
Walls efficiencyPortsmouthEngland & Wales
█ very poor6.8%22.5%
█ poor29.8%16.7%
█ average18.2%15.1%
█ good37.1%37.2%
█ very good8.0%8.5%

Portsmouth houses by windows energy efficiency

Portsmouth houses by windows energy efficiency
Windows efficiencyPortsmouthEngland & Wales
█ very poor2.7%3.5%
█ poor5.2%4.9%
█ average56.6%55.1%
█ good28.5%29.2%
█ very good6.9%7.3%

Portsmouth houses by hot water heating energy efficiency

Portsmouth houses by hot water heating energy efficiency
Hot water heating energy efficiencyPortsmouthEngland & Wales
█ very poor3.7%3.7%
█ poor4.1%6.1%
█ average11.8%12.6%
█ good76.1%73.5%
█ very good4.3%4.0%

Portsmouth houses by lighting energy efficiency

Portsmouth houses by lighting energy efficiency
Lightning energy efficiencyPortsmouthEngland & Wales
█ very poor10.3%10.3%
█ poor7.9%7.9%
█ average12.7%13.0%
█ good16.7%17.0%
█ very good52.3%51.8%

Plumplot area insights - interactive charts and maps

Plumplot area insights - interactive maps and charts

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