Hertfordshire home energy certificates
June 2020
The average home energy rating in Hertfordshire county is 65.6, D rating. This is by 1.2 better score than the average home energy rating in England and Wales. The average potential rating is 78.4, C rating.
Hertfordshire homes by energy rating

Energy rating | Hertfordshire | England & Wales |
---|
█ A | 0.0% | 0.1% |
█ B | 11.8% | 12.1% |
█ C | 58.3% | 54.2% |
█ D | 13.0% | 13.6% |
█ E | 13.8% | 15.5% |
█ F | 2.5% | 3.6% |
█ G | 0.5% | 1.0% |
Hertfordshire map of energy efficiency of properties

Hertfordshire homes by potential energy rating

Potential energy rating | Hertfordshire | England & Wales |
---|
█ A | 2.4% | 4.2% |
█ B | 44.5% | 44.0% |
█ C | 47.9% | 46.1% |
█ D | 2.4% | 2.4% |
█ E | 2.0% | 2.1% |
█ F | 0.3% | 0.5% |
█ G | 0.4% | 0.7% |
Hertfordshire homes by main heating control energy efficiency

Main heating control | Hertfordshire | England & Wales |
---|
█ very poor | 3.2% | 6.0% |
█ poor | 10.0% | 9.7% |
█ average | 30.8% | 30.1% |
█ good | 49.3% | 47.7% |
█ very good | 6.7% | 6.5% |
Hertfordshire homes by main heating energy efficiency

Main heat efficiency | Hertfordshire | England & Wales |
---|
█ very poor | 5.2% | 5.0% |
█ poor | 3.6% | 3.6% |
█ average | 9.2% | 10.5% |
█ good | 77.0% | 75.2% |
█ very good | 5.0% | 5.7% |
Hertfordshire homes by walls energy efficiency

Walls efficiency | Hertfordshire | England & Wales |
---|
█ very poor | 19.4% | 24.2% |
█ poor | 17.2% | 15.8% |
█ average | 8.0% | 7.2% |
█ good | 44.1% | 41.5% |
█ very good | 11.4% | 11.3% |
Hertfordshire homes by windows energy efficiency

Windows efficiency | Hertfordshire | England & Wales |
---|
█ very poor | 5.1% | 6.5% |
█ poor | 3.8% | 4.4% |
█ average | 52.3% | 50.4% |
█ good | 28.2% | 28.4% |
█ very good | 10.5% | 10.3% |
Hertfordshire homes by hot water heating energy efficiency

Hot water heating energy efficiency | Hertfordshire | England & Wales |
---|
█ very poor | 5.9% | 7.0% |
█ poor | 6.5% | 6.9% |
█ average | 17.1% | 14.7% |
█ good | 64.2% | 64.1% |
█ very good | 6.3% | 7.4% |
Hertfordshire homes by lighting energy efficiency

Lightning energy efficiency | Hertfordshire | England & Wales |
---|
█ very poor | 16.5% | 15.3% |
█ poor | 10.9% | 9.9% |
█ average | 17.3% | 16.4% |
█ good | 17.8% | 17.5% |
█ very good | 37.5% | 40.9% |
Other reports for Hertfordshire county