EPC Ratings in TW20

Postcode area TW20 — 4,064 Energy Performance Certificates on record

Certificates

Properties

D (68)

Average Rating

£1,034

Avg Energy Cost/yr

EPC Rating

A92+

0.3%

B81–91

11.1%

C69–80

43.5%

D55–68

35.1%

E39–54

8.7%

F21–38

1.0%

G1–20

0.3%

TW20 is 0.5 points worse than the national average (D, 68.5/100).

TW20

68.5

National average

Potential (with improvements)

Rating Distribution

120.3%

11.1%

450

43.5%

1,769

35.1%

1,425

8.7%

355

421.0%

110.3%

Average Annual Energy Costs

Cost Type	TW20	National Avg	Difference
Heating	£747/yr	£782/yr	▼ £35
Hot water	£191/yr	£184/yr	▲ £7
Lighting	£96/yr	£95/yr	▲ £1
Total	£1,034/yr	£1,061/yr	▼ £27

Property Types

House

2,34057.6%

Flat

1,31632.4%

Bungalow

3278.0%

Maisonette

812.0%

Main Heating Fuel

Mains gas

3,04978.7%

Electric

81220.9%

Oil

80.2%

LPG

40.1%

Other

30.1%

CO₂ Emissions

3.2 tonnes/yr

Current average

1.8 tonnes/yr

Potential (with improvements)

Average floor area: 91 m²

Construction Age

Pre-1900

164

1900–1929

428

1930–1949

389

1950–1966

629

1967–1975

354

1976–1982

364

1983–1990

430

1991–1995

180

1996–2002

314

2003–2006

189

2007–2011

2012+

388

Efficiency Trend Over Time

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The postcode area TW20 has 4,064 Energy Performance Certificates on record, covering 3,849 properties. The average EPC rating is D with an efficiency score of 68 out of 100. Annual energy costs average £1,034, comprising £747 for heating, £191 for hot water and £96 for lighting. Average CO₂ emissions are 3.2 tonnes per year, with the potential to reduce to 1.8 tonnes through energy efficiency improvements.