Northamptonshire house energy efficiency
January 2026
Houses are energetically very efficient. The average house energy rating in Northamptonshire county is 66.2, D rating. This is by 2.4 better score than the average house energy rating in England and Wales. The average potential rating is 82.5, B rating.
Northamptonshire houses by energy rating
| Energy rating | Northamptonshire | England & Wales |
|---|
| █ A | 0.3% | 0.3% |
| █ B | 13.3% | 8.2% |
| █ C | 59.8% | 58.7% |
| █ D | 11.9% | 14.2% |
| █ E | 11.7% | 14.5% |
| █ F | 2.4% | 3.2% |
| █ G | 0.6% | 0.9% |
Northamptonshire map of energy efficiency of houses
Northamptonshire houses by potential energy rating
| Potential energy rating | Northamptonshire | England & Wales |
|---|
| █ A | 8.6% | 5.6% |
| █ B | 61.0% | 59.3% |
| █ C | 27.1% | 31.2% |
| █ D | 1.2% | 1.3% |
| █ E | 1.1% | 1.2% |
| █ F | 0.3% | 0.3% |
| █ G | 0.9% | 1.1% |
Northamptonshire houses by main heating control energy efficiency
| Main heating control | Northamptonshire | England & Wales |
|---|
| █ very poor | 1.9% | 4.4% |
| █ poor | 4.4% | 4.9% |
| █ average | 24.0% | 25.9% |
| █ good | 59.2% | 57.8% |
| █ very good | 10.4% | 7.1% |
Northamptonshire houses by main heating energy efficiency
| Main heat efficiency | Northamptonshire | England & Wales |
|---|
| █ very poor | 1.3% | 1.8% |
| █ poor | 1.8% | 2.3% |
| █ average | 8.2% | 8.5% |
| █ good | 85.2% | 84.5% |
| █ very good | 3.4% | 2.9% |
Northamptonshire houses by walls energy efficiency
| Walls efficiency | Northamptonshire | England & Wales |
|---|
| █ very poor | 19.6% | 22.5% |
| █ poor | 9.9% | 16.7% |
| █ average | 14.4% | 15.1% |
| █ good | 42.8% | 37.2% |
| █ very good | 13.3% | 8.5% |
Northamptonshire houses by windows energy efficiency
| Windows efficiency | Northamptonshire | England & Wales |
|---|
| █ very poor | 2.8% | 3.5% |
| █ poor | 3.6% | 4.9% |
| █ average | 52.2% | 55.1% |
| █ good | 29.7% | 29.2% |
| █ very good | 11.7% | 7.3% |
Northamptonshire houses by hot water heating energy efficiency
| Hot water heating energy efficiency | Northamptonshire | England & Wales |
|---|
| █ very poor | 3.1% | 3.7% |
| █ poor | 5.6% | 6.1% |
| █ average | 12.1% | 12.6% |
| █ good | 74.0% | 73.5% |
| █ very good | 5.2% | 4.0% |
Northamptonshire houses by lighting energy efficiency
| Lightning energy efficiency | Northamptonshire | England & Wales |
|---|
| █ very poor | 8.4% | 10.3% |
| █ poor | 7.1% | 7.9% |
| █ average | 12.7% | 13.0% |
| █ good | 17.0% | 17.0% |
| █ very good | 54.7% | 51.8% |
Plumplot area insights - interactive charts and maps
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