Southampton house energy efficiency
January 2026
Houses are energy-efficient. The average house energy rating in Southampton postcode area is 65.3, D rating. This is by 1.5 better score than the average house energy rating in England and Wales. The average potential rating is 81.3, B rating.
Southampton houses by energy rating
| Energy rating | Southampton | England & Wales |
|---|
| █ A | 0.3% | 0.3% |
| █ B | 9.1% | 8.2% |
| █ C | 63.0% | 58.7% |
| █ D | 12.7% | 14.2% |
| █ E | 11.8% | 14.5% |
| █ F | 2.5% | 3.2% |
| █ G | 0.6% | 0.9% |
Southampton map of energy efficiency of houses
Southampton houses by potential energy rating
| Potential energy rating | Southampton | England & Wales |
|---|
| █ A | 4.2% | 5.6% |
| █ B | 58.7% | 59.3% |
| █ C | 34.1% | 31.2% |
| █ D | 1.0% | 1.3% |
| █ E | 0.9% | 1.2% |
| █ F | 0.3% | 0.3% |
| █ G | 0.9% | 1.1% |
Southampton houses by main heating control energy efficiency
| Main heating control | Southampton | England & Wales |
|---|
| █ very poor | 1.9% | 4.4% |
| █ poor | 5.2% | 4.9% |
| █ average | 26.9% | 25.9% |
| █ good | 57.7% | 57.8% |
| █ very good | 8.4% | 7.1% |
Southampton houses by main heating energy efficiency
| Main heat efficiency | Southampton | England & Wales |
|---|
| █ very poor | 1.7% | 1.8% |
| █ poor | 2.4% | 2.3% |
| █ average | 8.6% | 8.5% |
| █ good | 84.1% | 84.5% |
| █ very good | 3.2% | 2.9% |
Southampton houses by walls energy efficiency
| Walls efficiency | Southampton | England & Wales |
|---|
| █ very poor | 5.8% | 22.5% |
| █ poor | 21.0% | 16.7% |
| █ average | 19.7% | 15.1% |
| █ good | 44.2% | 37.2% |
| █ very good | 9.3% | 8.5% |
Southampton houses by windows energy efficiency
| Windows efficiency | Southampton | England & Wales |
|---|
| █ very poor | 3.2% | 3.5% |
| █ poor | 4.6% | 4.9% |
| █ average | 56.1% | 55.1% |
| █ good | 28.1% | 29.2% |
| █ very good | 8.0% | 7.3% |
Southampton houses by hot water heating energy efficiency
| Hot water heating energy efficiency | Southampton | England & Wales |
|---|
| █ very poor | 3.4% | 3.7% |
| █ poor | 5.2% | 6.1% |
| █ average | 15.0% | 12.6% |
| █ good | 71.5% | 73.5% |
| █ very good | 4.9% | 4.0% |
Southampton houses by lighting energy efficiency
| Lightning energy efficiency | Southampton | England & Wales |
|---|
| █ very poor | 9.9% | 10.3% |
| █ poor | 8.2% | 7.9% |
| █ average | 13.0% | 13.0% |
| █ good | 16.8% | 17.0% |
| █ very good | 52.1% | 51.8% |
Plumplot area insights - interactive charts and maps
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