EPC Ratings in SL9

Postcode area SL9 — 3,210 Energy Performance Certificates on record

Certificates

Properties

D (68)

Average Rating

£1,547

Avg Energy Cost/yr

EPC Rating

A92+

0.7%

B81–91

13.6%

C69–80

37.3%

D55–68

37.2%

E39–54

9.5%

F21–38

1.6%

G1–20

0.2%

SL9 is 0.5 points worse than the national average (D, 68.5/100).

SL9

68.5

National average

Potential (with improvements)

Rating Distribution

220.7%

13.6%

436

37.3%

1,196

37.2%

1,194

9.5%

304

501.6%

80.2%

Average Annual Energy Costs

Cost Type	SL9	National Avg	Difference
Heating	£1,213/yr	£782/yr	▲ £431
Hot water	£204/yr	£184/yr	▲ £20
Lighting	£131/yr	£95/yr	▲ £36
Total	£1,547/yr	£1,061/yr	▲ £486

Property Types

House

1,99262.1%

Flat

88927.7%

Bungalow

2146.7%

Maisonette

1103.4%

Park home

50.2%

Main Heating Fuel

Mains gas

2,70485.8%

Electric

41513.2%

LPG

120.4%

Oil

120.4%

Other

70.2%

CO₂ Emissions

4.8 tonnes/yr

Current average

3 tonnes/yr

Potential (with improvements)

Average floor area: 148 m²

Construction Age

Pre-1900

1900–1929

312

1930–1949

383

1950–1966

716

1967–1975

370

1976–1982

198

1983–1990

177

1991–1995

1996–2002

2003–2006

2007–2011

107

2012+

407

Efficiency Trend Over Time

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The postcode area SL9 has 3,210 Energy Performance Certificates on record, covering 3,076 properties. The average EPC rating is D with an efficiency score of 68 out of 100. Annual energy costs average £1,547, comprising £1,213 for heating, £204 for hot water and £131 for lighting. Average CO₂ emissions are 4.8 tonnes per year, with the potential to reduce to 3 tonnes through energy efficiency improvements.