Portsmouth flat energy efficiency
June 2023
Flats are  ordinary efficient. The average flat energy rating in Portsmouth postcode area is 68.4, D rating. This is by 0.9 worse score than the average flat energy rating in England and Wales. The average potential rating is 75.8, C rating.
Portsmouth flats by energy rating

| Energy rating | Portsmouth | England & Wales | 
|---|
| █ A | 0.0% | 0.1% | 
| █ B | 14.5% | 17.3% | 
| █ C | 63.8% | 63.1% | 
| █ D | 7.9% | 8.1% | 
| █ E | 10.6% | 9.0% | 
| █ F | 2.6% | 1.8% | 
| █ G | 0.7% | 0.6% | 
Portsmouth map of energy efficiency of flats

Portsmouth flats by potential energy rating

| Potential energy rating | Portsmouth | England & Wales | 
|---|
| █ A | 0.0% | 0.1% | 
| █ B | 24.1% | 27.1% | 
| █ C | 71.2% | 68.5% | 
| █ D | 2.3% | 2.2% | 
| █ E | 1.9% | 1.6% | 
| █ F | 0.4% | 0.4% | 
| █ G | 0.1% | 0.1% | 
Portsmouth flats by main heating control energy efficiency

| Main heating control | Portsmouth | England & Wales | 
|---|
| █ very poor | 3.0% | 5.2% | 
| █ poor | 20.9% | 15.2% | 
| █ average | 25.3% | 25.3% | 
| █ good | 47.3% | 51.0% | 
| █ very good | 3.6% | 3.3% | 
Portsmouth flats by main heating energy efficiency

| Main heat efficiency | Portsmouth | England & Wales | 
|---|
| █ very poor | 13.0% | 14.1% | 
| █ poor | 7.1% | 4.8% | 
| █ average | 17.3% | 12.2% | 
| █ good | 57.4% | 62.1% | 
| █ very good | 5.2% | 6.7% | 
Portsmouth flats by walls energy efficiency

| Walls efficiency | Portsmouth | England & Wales | 
|---|
| █ very poor | 10.4% | 22.9% | 
| █ poor | 25.1% | 14.6% | 
| █ average | 9.4% | 7.8% | 
| █ good | 44.4% | 39.9% | 
| █ very good | 10.8% | 14.8% | 
Portsmouth flats by windows energy efficiency

| Windows efficiency | Portsmouth | England & Wales | 
|---|
| █ very poor | 4.8% | 9.7% | 
| █ poor | 3.1% | 3.6% | 
| █ average | 52.0% | 42.0% | 
| █ good | 31.3% | 31.6% | 
| █ very good | 8.8% | 13.1% | 
Portsmouth flats by hot water heating energy efficiency

| Hot water heating energy efficiency | Portsmouth | England & Wales | 
|---|
| █ very poor | 14.6% | 14.2% | 
| █ poor | 7.4% | 6.7% | 
| █ average | 17.9% | 13.8% | 
| █ good | 53.8% | 57.0% | 
| █ very good | 6.4% | 8.3% | 
Portsmouth flats by lighting energy efficiency

| Lightning energy efficiency | Portsmouth | England & Wales | 
|---|
| █ very poor | 11.5% | 12.5% | 
| █ poor | 7.1% | 6.0% | 
| █ average | 12.9% | 11.4% | 
| █ good | 15.2% | 13.9% | 
| █ very good | 53.4% | 56.2% | 
Plumplot area insights - interactive charts and maps

Other reports for Portsmouth postcode area