Southampton home energy efficiency

January 2026

Residential buildings are energy-efficient. The average home energy rating in Southampton postcode area is 66.9, D rating. This is by 0.9 better score than the average home energy rating in England and Wales. The average potential rating is 79.2, C rating.

Southampton homes by energy rating

Southampton homes by energy rating
Energy ratingSouthamptonEngland & Wales
█ A0.2%0.2%
█ B12.7%11.5%
█ C62.4%60.8%
█ D10.5%11.8%
█ E10.9%12.2%
█ F2.7%2.6%
█ G0.7%0.8%

Southampton map of energy efficiency of properties

Southampton map of energy efficiency of properties

Southampton homes by potential energy rating

Southampton homes by potential energy rating
Potential energy ratingSouthamptonEngland & Wales
█ A2.6%3.6%
█ B46.4%47.8%
█ C47.1%44.6%
█ D1.5%1.5%
█ E1.4%1.3%
█ F0.3%0.3%
█ G0.6%0.7%

Southampton homes by main heating control energy efficiency

Southampton homes by main heating control energy efficiency
Main heating controlSouthamptonEngland & Wales
█ very poor2.3%4.5%
█ poor12.8%8.2%
█ average24.3%25.3%
█ good53.6%56.4%
█ very good7.0%5.7%

Southampton homes by main heating energy efficiency

Southampton homes by main heating energy efficiency
Main heat efficiencySouthamptonEngland & Wales
█ very poor7.8%6.4%
█ poor4.9%3.0%
█ average12.7%9.8%
█ good70.9%76.7%
█ very good3.7%4.0%

Southampton homes by walls energy efficiency

Southampton homes by walls energy efficiency
Walls efficiencySouthamptonEngland & Wales
█ very poor5.8%22.3%
█ poor20.3%15.9%
█ average16.7%12.9%
█ good45.8%38.0%
█ very good11.3%10.9%

Southampton homes by windows energy efficiency

Southampton homes by windows energy efficiency
Windows efficiencySouthamptonEngland & Wales
█ very poor3.4%5.4%
█ poor3.9%4.7%
█ average54.0%50.4%
█ good28.9%30.1%
█ very good9.9%9.3%

Southampton homes by hot water heating energy efficiency

Southampton homes by hot water heating energy efficiency
Hot water heating energy efficiencySouthamptonEngland & Wales
█ very poor9.8%7.5%
█ poor6.3%6.3%
█ average17.1%12.9%
█ good61.5%68.1%
█ very good5.4%5.2%

Southampton homes by lighting energy efficiency

Southampton homes by lighting energy efficiency
Lightning energy efficiencySouthamptonEngland & Wales
█ very poor9.9%10.5%
█ poor7.3%7.0%
█ average12.2%12.0%
█ good15.7%15.9%
█ very good54.8%54.6%

Plumplot area insights - interactive charts and maps

Plumplot area insights - interactive maps and charts

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