Harrow house energy efficiency
January 2026
Houses are energy-inefficient. The average house energy rating in Harrow postcode area is 61.3, D rating. This is by 2.5 worse score than the average house energy rating in England and Wales. The average potential rating is 80.7, C rating.
Harrow houses by energy rating
| Energy rating | Harrow | England & Wales |
|---|
| █ A | 0.1% | 0.3% |
| █ B | 2.9% | 8.2% |
| █ C | 55.5% | 58.7% |
| █ D | 19.7% | 14.2% |
| █ E | 18.4% | 14.5% |
| █ F | 2.9% | 3.2% |
| █ G | 0.5% | 0.9% |
Harrow map of energy efficiency of houses
Harrow houses by potential energy rating
| Potential energy rating | Harrow | England & Wales |
|---|
| █ A | 1.2% | 5.6% |
| █ B | 63.4% | 59.3% |
| █ C | 31.7% | 31.2% |
| █ D | 1.9% | 1.3% |
| █ E | 1.4% | 1.2% |
| █ F | 0.2% | 0.3% |
| █ G | 0.1% | 1.1% |
Harrow houses by main heating control energy efficiency
| Main heating control | Harrow | England & Wales |
|---|
| █ very poor | 3.9% | 4.4% |
| █ poor | 4.8% | 4.9% |
| █ average | 31.0% | 25.9% |
| █ good | 57.6% | 57.8% |
| █ very good | 2.7% | 7.1% |
Harrow houses by main heating energy efficiency
| Main heat efficiency | Harrow | England & Wales |
|---|
| █ very poor | 1.0% | 1.8% |
| █ poor | 0.5% | 2.3% |
| █ average | 3.0% | 8.5% |
| █ good | 92.9% | 84.5% |
| █ very good | 2.6% | 2.9% |
Harrow houses by walls energy efficiency
| Walls efficiency | Harrow | England & Wales |
|---|
| █ very poor | 53.7% | 22.5% |
| █ poor | 20.9% | 16.7% |
| █ average | 6.9% | 15.1% |
| █ good | 15.4% | 37.2% |
| █ very good | 3.2% | 8.5% |
Harrow houses by windows energy efficiency
| Windows efficiency | Harrow | England & Wales |
|---|
| █ very poor | 3.5% | 3.5% |
| █ poor | 5.9% | 4.9% |
| █ average | 61.6% | 55.1% |
| █ good | 26.8% | 29.2% |
| █ very good | 2.3% | 7.3% |
Harrow houses by hot water heating energy efficiency
| Hot water heating energy efficiency | Harrow | England & Wales |
|---|
| █ very poor | 2.0% | 3.7% |
| █ poor | 4.5% | 6.1% |
| █ average | 12.4% | 12.6% |
| █ good | 77.7% | 73.5% |
| █ very good | 3.4% | 4.0% |
Harrow houses by lighting energy efficiency
| Lightning energy efficiency | Harrow | England & Wales |
|---|
| █ very poor | 12.4% | 10.3% |
| █ poor | 7.5% | 7.9% |
| █ average | 10.9% | 13.0% |
| █ good | 15.0% | 17.0% |
| █ very good | 54.1% | 51.8% |
Plumplot area insights - interactive charts and maps
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