Northamptonshire flat energy efficiency
January 2026
Flats are energy-efficient. The average flat energy rating in Northamptonshire county is 71.3, C rating. This is by 1.4 better score than the average flat energy rating in England and Wales. The average potential rating is 76.5, C rating.
Northamptonshire flats by energy rating

| Energy rating | Northamptonshire | England & Wales |
|---|
| █ A | 0.2% | 0.1% |
| █ B | 17.6% | 17.4% |
| █ C | 67.9% | 64.6% |
| █ D | 5.9% | 7.7% |
| █ E | 6.6% | 8.2% |
| █ F | 1.3% | 1.6% |
| █ G | 0.5% | 0.5% |
Northamptonshire map of energy efficiency of flats

Northamptonshire flats by potential energy rating

| Potential energy rating | Northamptonshire | England & Wales |
|---|
| █ A | 0.3% | 0.1% |
| █ B | 25.5% | 27.1% |
| █ C | 70.6% | 68.9% |
| █ D | 1.7% | 2.0% |
| █ E | 1.5% | 1.4% |
| █ F | 0.3% | 0.3% |
| █ G | 0.1% | 0.1% |
Northamptonshire flats by main heating control energy efficiency

| Main heating control | Northamptonshire | England & Wales |
|---|
| █ very poor | 1.7% | 4.7% |
| █ poor | 16.8% | 14.1% |
| █ average | 20.4% | 24.0% |
| █ good | 56.5% | 54.1% |
| █ very good | 4.6% | 3.1% |
Northamptonshire flats by main heating energy efficiency

| Main heat efficiency | Northamptonshire | England & Wales |
|---|
| █ very poor | 13.7% | 14.6% |
| █ poor | 5.7% | 4.4% |
| █ average | 15.4% | 12.2% |
| █ good | 60.6% | 62.8% |
| █ very good | 4.7% | 5.9% |
Northamptonshire flats by walls energy efficiency

| Walls efficiency | Northamptonshire | England & Wales |
|---|
| █ very poor | 10.1% | 21.9% |
| █ poor | 9.3% | 14.7% |
| █ average | 9.3% | 8.9% |
| █ good | 55.9% | 39.4% |
| █ very good | 15.4% | 15.2% |
Northamptonshire flats by windows energy efficiency

| Windows efficiency | Northamptonshire | England & Wales |
|---|
| █ very poor | 3.8% | 8.9% |
| █ poor | 2.4% | 4.4% |
| █ average | 42.9% | 42.0% |
| █ good | 39.8% | 31.7% |
| █ very good | 11.1% | 12.9% |
Northamptonshire flats by hot water heating energy efficiency

| Hot water heating energy efficiency | Northamptonshire | England & Wales |
|---|
| █ very poor | 13.4% | 14.2% |
| █ poor | 8.2% | 6.6% |
| █ average | 15.6% | 13.5% |
| █ good | 56.8% | 58.3% |
| █ very good | 6.0% | 7.4% |
Northamptonshire flats by lighting energy efficiency

| Lightning energy efficiency | Northamptonshire | England & Wales |
|---|
| █ very poor | 9.4% | 10.8% |
| █ poor | 5.4% | 5.4% |
| █ average | 10.4% | 10.2% |
| █ good | 14.7% | 13.9% |
| █ very good | 60.2% | 59.8% |
Plumplot area insights - interactive charts and maps

Next for Northamptonshire county