EPC Ratings in SL3
Postcode area SL3 — 6,287 Energy Performance Certificates on record
6K
Certificates
6K
Properties
D (68)
Average Rating
£1,022
Avg Energy Cost/yr
EPC Rating
A92+
0.3%B81–91
6.6%C69–80
51.0%D55–68
33.0%68
E39–54
7.9%F21–38
1.0%G1–20
0.3%SL3 is 0.5 points worse than the national average (D, 68.5/100).
68
SL3
68.5
National average
81
Potential (with improvements)
Rating Distribution
A
170.3%
B
4186.6%
C3,204
51.0%
D2,077
33.0%
E
4947.9%
F
601.0%
G
170.3%
Average Annual Energy Costs
| Cost Type | SL3 | National Avg | Difference |
|---|---|---|---|
| Heating | £738/yr | £782/yr | ▼ £44 |
| Hot water | £191/yr | £184/yr | ▲ £7 |
| Lighting | £93/yr | £95/yr | ▼ £2 |
| Total | £1,022/yr | £1,061/yr | ▼ £39 |
Property Types
House
3,65858.2%
Flat
2,07132.9%
Bungalow
2273.6%
Maisonette
2053.3%
Park home
1262.0%
Main Heating Fuel
Mains gas
5,08180.8%
Electric
1,14518.2%
Other
300.5%
Oil
220.3%
LPG
90.1%
CO₂ Emissions
3.1 tonnes/yr
Current average
1.8 tonnes/yr
Potential (with improvements)
Average floor area: 86 m²
Construction Age
Pre-1900
173
1900–1929
320
1930–1949
501
1950–1966
1,424
1967–1975
889
1976–1982
502
1983–1990
681
1991–1995
268
1996–2002
461
2003–2006
359
2007–2011
163
2012+
326
Efficiency Trend Over Time
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The postcode area SL3 has 6,287 Energy Performance Certificates on record, covering 6,018 properties. The average EPC rating is D with an efficiency score of 68 out of 100. Annual energy costs average £1,022, comprising £738 for heating, £191 for hot water and £93 for lighting. Average CO₂ emissions are 3.1 tonnes per year, with the potential to reduce to 1.8 tonnes through energy efficiency improvements.