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
| Energy rating | Portsmouth | England & Wales |
|---|
| █ A | 0.2% | 0.3% |
| █ B | 7.9% | 8.2% |
| █ C | 62.2% | 58.7% |
| █ D | 13.6% | 14.2% |
| █ E | 12.5% | 14.5% |
| █ F | 2.8% | 3.2% |
| █ G | 0.8% | 0.9% |
Portsmouth map of energy efficiency of houses
Portsmouth houses by potential energy rating
| Potential energy rating | Portsmouth | England & Wales |
|---|
| █ A | 5.1% | 5.6% |
| █ B | 58.3% | 59.3% |
| █ C | 33.5% | 31.2% |
| █ D | 1.0% | 1.3% |
| █ E | 1.0% | 1.2% |
| █ F | 0.3% | 0.3% |
| █ G | 0.8% | 1.1% |
Portsmouth houses by main heating control energy efficiency
| Main heating control | Portsmouth | England & Wales |
|---|
| █ very poor | 2.6% | 4.4% |
| █ poor | 5.8% | 4.9% |
| █ average | 26.7% | 25.9% |
| █ good | 58.4% | 57.8% |
| █ very good | 6.5% | 7.1% |
Portsmouth houses by main heating energy efficiency
| Main heat efficiency | Portsmouth | England & Wales |
|---|
| █ very poor | 2.2% | 1.8% |
| █ poor | 1.9% | 2.3% |
| █ average | 6.5% | 8.5% |
| █ good | 86.5% | 84.5% |
| █ very good | 3.0% | 2.9% |
Portsmouth houses by walls energy efficiency
| Walls efficiency | Portsmouth | England & Wales |
|---|
| █ very poor | 6.8% | 22.5% |
| █ poor | 29.8% | 16.7% |
| █ average | 18.2% | 15.1% |
| █ good | 37.1% | 37.2% |
| █ very good | 8.0% | 8.5% |
Portsmouth houses by windows energy efficiency
| Windows efficiency | Portsmouth | England & Wales |
|---|
| █ very poor | 2.7% | 3.5% |
| █ poor | 5.2% | 4.9% |
| █ average | 56.6% | 55.1% |
| █ good | 28.5% | 29.2% |
| █ very good | 6.9% | 7.3% |
Portsmouth houses by hot water heating energy efficiency
| Hot water heating energy efficiency | Portsmouth | England & Wales |
|---|
| █ very poor | 3.7% | 3.7% |
| █ poor | 4.1% | 6.1% |
| █ average | 11.8% | 12.6% |
| █ good | 76.1% | 73.5% |
| █ very good | 4.3% | 4.0% |
Portsmouth houses by lighting energy efficiency
| Lightning energy efficiency | Portsmouth | England & Wales |
|---|
| █ very poor | 10.3% | 10.3% |
| █ poor | 7.9% | 7.9% |
| █ average | 12.7% | 13.0% |
| █ good | 16.7% | 17.0% |
| █ very good | 52.3% | 51.8% |
Plumplot area insights - interactive charts and maps
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