EPC Ratings in Hertsmere

Parliamentary Constituency — 11,804 Energy Performance Certificates on record

12K

Certificates

11K

Properties

C (69)

Average Rating

£1,094

Avg Energy Cost/yr

EPC Rating

A92+

0.2%

B81–91

13.2%

C69–80

43.5%

D55–68

33.6%

E39–54

8.1%

F21–38

1.0%

G1–20

0.3%

Hertsmere is 0.5 points better than the national average (D, 68.5/100).

Hertsmere

68.5

National average

Potential

Rating Distribution

230.2%

13.2%

1,556

43.5%

5,140

33.6%

3,968

8.1%

958

1231.0%

360.3%

Average Annual Energy Costs

Cost Type	Hertsmere	National Avg	Difference
Heating	£803/yr	£782/yr	▲ £21
Hot water	£186/yr	£184/yr	▲ £2
Lighting	£104/yr	£95/yr	▲ £9
Total	£1,094/yr	£1,061/yr	▲ £33

Property Types

House

6,14652.1%

Flat

4,33336.7%

Maisonette

6765.7%

Bungalow

6305.3%

Park home

190.2%

Main Heating Fuel

Mains gas

9,75682.7%

Electric

1,90416.1%

Oil

680.6%

Other

520.4%

LPG

230.2%

CO₂ Emissions

3.5 tonnes/yr

Current average

2 tonnes/yr

Potential

Average floor area: 95 m²

Construction Age

Pre-1900

277

1900–1929

806

1930–1949

1,702

1950–1966

2,694

1967–1975

1,220

1976–1982

546

1983–1990

909

1991–1995

439

1996–2002

560

2003–2006

431

2007–2011

594

2012+

1,054

Efficiency Trend Over Time

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Hertsmere has 11,804 Energy Performance Certificates on record, covering 11,385 properties. The average EPC rating is C with an efficiency score of 69 out of 100. Annual energy costs average £1,094, comprising £803 for heating, £186 for hot water and £104 for lighting. Average CO₂ emissions are 3.5 tonnes per year.