Watford flat energy efficiency
January 2026
Flats are energetically very efficient. The average flat energy rating in Watford postcode area is 72.4, C rating. This is by 2.5 better score than the average flat energy rating in England and Wales. The average potential rating is 77.5, C rating.
Watford flats by energy rating

| Energy rating | Watford | England & Wales |
|---|
| █ A | 0.1% | 0.1% |
| █ B | 24.6% | 17.4% |
| █ C | 63.2% | 64.6% |
| █ D | 5.8% | 7.7% |
| █ E | 5.3% | 8.2% |
| █ F | 0.9% | 1.6% |
| █ G | 0.2% | 0.5% |
Watford map of energy efficiency of flats

Watford flats by potential energy rating

| Potential energy rating | Watford | England & Wales |
|---|
| █ A | 0.1% | 0.1% |
| █ B | 34.2% | 27.1% |
| █ C | 63.2% | 68.9% |
| █ D | 1.4% | 2.0% |
| █ E | 0.9% | 1.4% |
| █ F | 0.2% | 0.3% |
| █ G | 0.0% | 0.1% |
Watford flats by main heating control energy efficiency

| Main heating control | Watford | England & Wales |
|---|
| █ very poor | 2.6% | 4.7% |
| █ poor | 15.4% | 14.1% |
| █ average | 21.9% | 24.0% |
| █ good | 53.9% | 54.1% |
| █ very good | 6.2% | 3.1% |
Watford flats by main heating energy efficiency

| Main heat efficiency | Watford | England & Wales |
|---|
| █ very poor | 14.6% | 14.6% |
| █ poor | 5.6% | 4.4% |
| █ average | 12.7% | 12.2% |
| █ good | 63.4% | 62.8% |
| █ very good | 3.7% | 5.9% |
Watford flats by walls energy efficiency

| Walls efficiency | Watford | England & Wales |
|---|
| █ very poor | 12.1% | 21.9% |
| █ poor | 13.9% | 14.7% |
| █ average | 7.4% | 8.9% |
| █ good | 44.0% | 39.4% |
| █ very good | 22.6% | 15.2% |
Watford flats by windows energy efficiency

| Windows efficiency | Watford | England & Wales |
|---|
| █ very poor | 3.8% | 8.9% |
| █ poor | 2.5% | 4.4% |
| █ average | 41.5% | 42.0% |
| █ good | 33.4% | 31.7% |
| █ very good | 18.8% | 12.9% |
Watford flats by hot water heating energy efficiency

| Hot water heating energy efficiency | Watford | England & Wales |
|---|
| █ very poor | 11.5% | 14.2% |
| █ poor | 7.4% | 6.6% |
| █ average | 16.5% | 13.5% |
| █ good | 59.0% | 58.3% |
| █ very good | 5.6% | 7.4% |
Watford flats by lighting energy efficiency

| Lightning energy efficiency | Watford | England & Wales |
|---|
| █ very poor | 10.1% | 10.8% |
| █ poor | 5.7% | 5.4% |
| █ average | 11.0% | 10.2% |
| █ good | 12.6% | 13.9% |
| █ very good | 60.6% | 59.8% |
Plumplot area insights - interactive charts and maps

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