EPC Ratings in SL6

Postcode area SL6 — 12,701 Energy Performance Certificates on record

13K

Certificates

12K

Properties

C (69)

Average Rating

£1,135

Avg Energy Cost/yr

EPC Rating

A92+

0.3%

B81–91

17.6%

C69–80

39.7%

D55–68

31.7%

E39–54

8.9%

F21–38

1.4%

G1–20

0.4%

SL6 is 0.5 points better than the national average (D, 68.5/100).

SL6

68.5

National average

Potential (with improvements)

Rating Distribution

380.3%

17.6%

2,239

39.7%

5,043

31.7%

4,027

8.9%

1,127

1751.4%

520.4%

Average Annual Energy Costs

Cost Type	SL6	National Avg	Difference
Heating	£826/yr	£782/yr	▲ £44
Hot water	£206/yr	£184/yr	▲ £22
Lighting	£103/yr	£95/yr	▲ £8
Total	£1,135/yr	£1,061/yr	▲ £74

Property Types

House

6,93054.6%

Flat

4,83638.1%

Bungalow

5264.1%

Maisonette

3833.0%

Park home

260.2%

Main Heating Fuel

Mains gas

9,70677.6%

Electric

2,43519.5%

Oil

2712.2%

LPG

640.5%

Other

380.3%

CO₂ Emissions

3.5 tonnes/yr

Current average

2 tonnes/yr

Potential (with improvements)

Average floor area: 98 m²

Construction Age

Pre-1900

639

1900–1929

1,377

1930–1949

707

1950–1966

1,876

1967–1975

2,000

1976–1982

984

1983–1990

741

1991–1995

372

1996–2002

571

2003–2006

438

2007–2011

513

2012+

2,126

Efficiency Trend Over Time

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The postcode area SL6 has 12,701 Energy Performance Certificates on record, covering 12,087 properties. The average EPC rating is C with an efficiency score of 69 out of 100. Annual energy costs average £1,135, comprising £826 for heating, £206 for hot water and £103 for lighting. Average CO₂ emissions are 3.5 tonnes per year, with the potential to reduce to 2 tonnes through energy efficiency improvements.