EPC Ratings in SL4

Postcode area SL4 — 7,242 Energy Performance Certificates on record

Certificates

Properties

D (67)

Average Rating

£1,100

Avg Energy Cost/yr

EPC Rating

A92+

0.6%

B81–91

8.8%

C69–80

43.2%

D55–68

36.4%

E39–54

9.2%

F21–38

1.4%

G1–20

0.5%

SL4 is 1.5 points worse than the national average (D, 68.5/100).

SL4

68.5

National average

Potential (with improvements)

Rating Distribution

420.6%

8.8%

636

43.2%

3,131

36.4%

2,635

9.2%

664

981.4%

360.5%

Average Annual Energy Costs

Cost Type	SL4	National Avg	Difference
Heating	£803/yr	£782/yr	▲ £21
Hot water	£195/yr	£184/yr	▲ £11
Lighting	£101/yr	£95/yr	▲ £6
Total	£1,100/yr	£1,061/yr	▲ £39

Property Types

House

4,04855.9%

Flat

2,57435.5%

Maisonette

3104.3%

Bungalow

3054.2%

Park home

50.1%

Main Heating Fuel

Mains gas

5,71578.9%

Electric

1,45120.0%

Oil

340.5%

Other

300.4%

LPG

120.2%

CO₂ Emissions

3.4 tonnes/yr

Current average

2 tonnes/yr

Potential (with improvements)

Average floor area: 93 m²

Construction Age

Pre-1900

739

1900–1929

907

1930–1949

394

1950–1966

1,363

1967–1975

1,342

1976–1982

483

1983–1990

357

1991–1995

208

1996–2002

460

2003–2006

184

2007–2011

206

2012+

504

Efficiency Trend Over Time

Search Another Postcode

The postcode area SL4 has 7,242 Energy Performance Certificates on record, covering 6,886 properties. The average EPC rating is D with an efficiency score of 67 out of 100. Annual energy costs average £1,100, comprising £803 for heating, £195 for hot water and £101 for lighting. Average CO₂ emissions are 3.4 tonnes per year, with the potential to reduce to 2 tonnes through energy efficiency improvements.