Colchester flat energy efficiency
January 2026
Flats are ordinary efficient. The average flat energy rating in Colchester postcode area is 69.5, C rating. This is by 0.4 worse score than the average flat energy rating in England and Wales. The average potential rating is 76.2, C rating.
Colchester flats by energy rating

| Energy rating | Colchester | England & Wales |
|---|
| █ A | 0.3% | 0.1% |
| █ B | 14.9% | 17.4% |
| █ C | 66.6% | 64.6% |
| █ D | 7.3% | 7.7% |
| █ E | 8.6% | 8.2% |
| █ F | 1.7% | 1.6% |
| █ G | 0.6% | 0.5% |
Colchester map of energy efficiency of flats

Colchester flats by potential energy rating

| Potential energy rating | Colchester | England & Wales |
|---|
| █ A | 0.4% | 0.1% |
| █ B | 24.8% | 27.1% |
| █ C | 70.7% | 68.9% |
| █ D | 1.9% | 2.0% |
| █ E | 1.5% | 1.4% |
| █ F | 0.4% | 0.3% |
| █ G | 0.2% | 0.1% |
Colchester flats by main heating control energy efficiency

| Main heating control | Colchester | England & Wales |
|---|
| █ very poor | 1.8% | 4.7% |
| █ poor | 23.5% | 14.1% |
| █ average | 19.9% | 24.0% |
| █ good | 50.1% | 54.1% |
| █ very good | 4.7% | 3.1% |
Colchester flats by main heating energy efficiency

| Main heat efficiency | Colchester | England & Wales |
|---|
| █ very poor | 17.1% | 14.6% |
| █ poor | 9.2% | 4.4% |
| █ average | 20.9% | 12.2% |
| █ good | 49.3% | 62.8% |
| █ very good | 3.6% | 5.9% |
Colchester flats by walls energy efficiency

| Walls efficiency | Colchester | England & Wales |
|---|
| █ very poor | 9.7% | 21.9% |
| █ poor | 12.3% | 14.7% |
| █ average | 9.3% | 8.9% |
| █ good | 56.6% | 39.4% |
| █ very good | 12.1% | 15.2% |
Colchester flats by windows energy efficiency

| Windows efficiency | Colchester | England & Wales |
|---|
| █ very poor | 6.6% | 8.9% |
| █ poor | 3.2% | 4.4% |
| █ average | 42.1% | 42.0% |
| █ good | 37.9% | 31.7% |
| █ very good | 10.1% | 12.9% |
Colchester flats by hot water heating energy efficiency

| Hot water heating energy efficiency | Colchester | England & Wales |
|---|
| █ very poor | 16.3% | 14.2% |
| █ poor | 11.4% | 6.6% |
| █ average | 22.9% | 13.5% |
| █ good | 44.9% | 58.3% |
| █ very good | 4.6% | 7.4% |
Colchester flats by lighting energy efficiency

| Lightning energy efficiency | Colchester | England & Wales |
|---|
| █ very poor | 8.7% | 10.8% |
| █ poor | 6.5% | 5.4% |
| █ average | 12.2% | 10.2% |
| █ good | 15.1% | 13.9% |
| █ very good | 57.4% | 59.8% |
Plumplot area insights - interactive charts and maps

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