Hertfordshire flat energy certificates
June 2020
The average flat energy rating in Hertfordshire county is 70.8, C rating. This is by 1.8 better score than the average flat energy rating in England and Wales. The average potential rating is 76.4, C rating.
Hertfordshire flats by energy rating

Energy rating | Hertfordshire | England & Wales |
---|
█ A | 0.0% | 0.1% |
█ B | 20.2% | 17.6% |
█ C | 63.9% | 61.5% |
█ D | 7.1% | 8.5% |
█ E | 7.0% | 9.4% |
█ F | 1.4% | 2.1% |
█ G | 0.3% | 0.7% |
Hertfordshire map of energy efficiency of flats

Hertfordshire flats by potential energy rating

Potential energy rating | Hertfordshire | England & Wales |
---|
█ A | 0.0% | 0.1% |
█ B | 30.4% | 27.6% |
█ C | 65.1% | 67.2% |
█ D | 2.4% | 2.6% |
█ E | 1.7% | 2.0% |
█ F | 0.3% | 0.5% |
█ G | 0.1% | 0.1% |
Hertfordshire flats by main heating control energy efficiency

Main heating control | Hertfordshire | England & Wales |
---|
█ very poor | 3.1% | 5.9% |
█ poor | 17.6% | 16.4% |
█ average | 26.3% | 27.0% |
█ good | 46.1% | 46.9% |
█ very good | 6.9% | 3.8% |
Hertfordshire flats by main heating energy efficiency

Main heat efficiency | Hertfordshire | England & Wales |
---|
█ very poor | 13.2% | 12.5% |
█ poor | 7.4% | 6.0% |
█ average | 13.5% | 12.1% |
█ good | 60.5% | 61.7% |
█ very good | 5.4% | 7.7% |
Hertfordshire flats by walls energy efficiency

Walls efficiency | Hertfordshire | England & Wales |
---|
█ very poor | 9.8% | 23.8% |
█ poor | 13.6% | 14.3% |
█ average | 7.6% | 6.0% |
█ good | 50.2% | 41.1% |
█ very good | 18.8% | 14.9% |
Hertfordshire flats by windows energy efficiency

Windows efficiency | Hertfordshire | England & Wales |
---|
█ very poor | 5.7% | 10.8% |
█ poor | 2.1% | 4.0% |
█ average | 43.1% | 41.0% |
█ good | 31.8% | 31.2% |
█ very good | 17.4% | 13.1% |
Hertfordshire flats by hot water heating energy efficiency

Hot water heating energy efficiency | Hertfordshire | England & Wales |
---|
█ very poor | 12.6% | 13.4% |
█ poor | 8.0% | 6.5% |
█ average | 18.3% | 14.8% |
█ good | 54.2% | 55.8% |
█ very good | 6.8% | 9.6% |
Hertfordshire flats by lighting energy efficiency

Lightning energy efficiency | Hertfordshire | England & Wales |
---|
█ very poor | 13.8% | 15.3% |
█ poor | 7.9% | 7.4% |
█ average | 15.7% | 13.6% |
█ good | 15.5% | 15.3% |
█ very good | 47.0% | 48.3% |
Other reports for Hertfordshire county