EPC Ratings in SL7
Postcode area SL7 — 3,654 Energy Performance Certificates on record
4K
Certificates
3K
Properties
D (67)
Average Rating
£1,229
Avg Energy Cost/yr
EPC Rating
A92+
0.5%B81–91
5.2%C69–80
46.8%D55–68
37.3%67
E39–54
8.0%F21–38
1.8%G1–20
0.4%SL7 is 1.5 points worse than the national average (D, 68.5/100).
67
SL7
68.5
National average
81
Potential (with improvements)
Rating Distribution
A
200.5%
B
1895.2%
C1,710
46.8%
D1,363
37.3%
E294
8.0%
F
651.8%
G
130.4%
Average Annual Energy Costs
| Cost Type | SL7 | National Avg | Difference |
|---|---|---|---|
| Heating | £938/yr | £782/yr | ▲ £156 |
| Hot water | £187/yr | £184/yr | ▲ £3 |
| Lighting | £104/yr | £95/yr | ▲ £9 |
| Total | £1,229/yr | £1,061/yr | ▲ £168 |
Property Types
House
2,48167.9%
Flat
71919.7%
Bungalow
3629.9%
Maisonette
882.4%
Park home
40.1%
Main Heating Fuel
Mains gas
3,11786.0%
Electric
37210.3%
Oil
1002.8%
LPG
300.8%
Other
60.2%
CO₂ Emissions
3.9 tonnes/yr
Current average
2.2 tonnes/yr
Potential (with improvements)
Average floor area: 110 m²
Construction Age
Pre-1900
225
1900–1929
254
1930–1949
199
1950–1966
945
1967–1975
680
1976–1982
396
1983–1990
329
1991–1995
99
1996–2002
131
2003–2006
50
2007–2011
51
2012+
242
Efficiency Trend Over Time
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The postcode area SL7 has 3,654 Energy Performance Certificates on record, covering 3,455 properties. The average EPC rating is D with an efficiency score of 67 out of 100. Annual energy costs average £1,229, comprising £938 for heating, £187 for hot water and £104 for lighting. Average CO₂ emissions are 3.9 tonnes per year, with the potential to reduce to 2.2 tonnes through energy efficiency improvements.