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
| Energy rating | Portsmouth | England & Wales |
|---|
| █ A | 0.2% | 0.2% |
| █ B | 10.0% | 11.5% |
| █ C | 63.5% | 60.8% |
| █ D | 11.4% | 11.8% |
| █ E | 11.5% | 12.2% |
| █ F | 2.6% | 2.6% |
| █ G | 0.7% | 0.8% |
Portsmouth map of energy efficiency of properties
Portsmouth homes by potential energy rating
| Potential energy rating | Portsmouth | England & Wales |
|---|
| █ A | 3.3% | 3.6% |
| █ B | 45.6% | 47.8% |
| █ C | 47.6% | 44.6% |
| █ D | 1.4% | 1.5% |
| █ E | 1.3% | 1.3% |
| █ F | 0.3% | 0.3% |
| █ G | 0.5% | 0.7% |
Portsmouth homes by main heating control energy efficiency
| Main heating control | Portsmouth | England & Wales |
|---|
| █ very poor | 2.6% | 4.5% |
| █ poor | 10.7% | 8.2% |
| █ average | 25.8% | 25.3% |
| █ good | 55.5% | 56.4% |
| █ very good | 5.4% | 5.7% |
Portsmouth homes by main heating energy efficiency
| Main heat efficiency | Portsmouth | England & Wales |
|---|
| █ very poor | 6.1% | 6.4% |
| █ poor | 3.5% | 3.0% |
| █ average | 10.4% | 9.8% |
| █ good | 76.5% | 76.7% |
| █ very good | 3.5% | 4.0% |
Portsmouth homes by walls energy efficiency
| Walls efficiency | Portsmouth | England & Wales |
|---|
| █ very poor | 8.1% | 22.3% |
| █ poor | 28.0% | 15.9% |
| █ average | 15.5% | 12.9% |
| █ good | 39.5% | 38.0% |
| █ very good | 8.9% | 10.9% |
Portsmouth homes by windows energy efficiency
| Windows efficiency | Portsmouth | England & Wales |
|---|
| █ very poor | 3.4% | 5.4% |
| █ poor | 5.0% | 4.7% |
| █ average | 54.9% | 50.4% |
| █ good | 29.4% | 30.1% |
| █ very good | 7.4% | 9.3% |
Portsmouth homes by hot water heating energy efficiency
| Hot water heating energy efficiency | Portsmouth | England & Wales |
|---|
| █ very poor | 7.6% | 7.5% |
| █ poor | 5.2% | 6.3% |
| █ average | 13.7% | 12.9% |
| █ good | 68.7% | 68.1% |
| █ very good | 4.7% | 5.2% |
Portsmouth homes by lighting energy efficiency
| Lightning energy efficiency | Portsmouth | England & Wales |
|---|
| █ very poor | 10.1% | 10.5% |
| █ poor | 7.4% | 7.0% |
| █ average | 12.3% | 12.0% |
| █ good | 16.2% | 15.9% |
| █ very good | 53.9% | 54.6% |
Plumplot area insights - interactive charts and maps
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