EPC Ratings in SM4
Postcode area SM4 — 4,957 Energy Performance Certificates on record
5K
Certificates
5K
Properties
D (67)
Average Rating
£965
Avg Energy Cost/yr
EPC Rating
A92+
0.1%B81–91
2.3%C69–80
47.6%D55–68
43.2%67
E39–54
5.5%F21–38
1.0%G1–20
0.4%SM4 is 1.5 points worse than the national average (D, 68.5/100).
67
SM4
68.5
National average
82
Potential (with improvements)
Rating Distribution
A
50.1%
B
1132.3%
C2,358
47.6%
D2,140
43.2%
E
2725.5%
F
481.0%
G
210.4%
Average Annual Energy Costs
| Cost Type | SM4 | National Avg | Difference |
|---|---|---|---|
| Heating | £695/yr | £782/yr | ▼ £87 |
| Hot water | £176/yr | £184/yr | ▼ £8 |
| Lighting | £93/yr | £95/yr | ▼ £2 |
| Total | £965/yr | £1,061/yr | ▼ £96 |
Property Types
House
3,17063.9%
Flat
1,43829.0%
Maisonette
2905.9%
Bungalow
591.2%
Main Heating Fuel
Mains gas
4,45990.0%
Electric
4719.5%
Other
260.5%
LPG
10.0%
CO₂ Emissions
2.8 tonnes/yr
Current average
1.4 tonnes/yr
Potential (with improvements)
Average floor area: 76 m²
Construction Age
Pre-1900
32
1900–1929
512
1930–1949
2,807
1950–1966
631
1967–1975
178
1976–1982
99
1983–1990
126
1991–1995
58
1996–2002
59
2003–2006
125
2007–2011
159
2012+
162
Efficiency Trend Over Time
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The postcode area SM4 has 4,957 Energy Performance Certificates on record, covering 4,740 properties. The average EPC rating is D with an efficiency score of 67 out of 100. Annual energy costs average £965, comprising £695 for heating, £176 for hot water and £93 for lighting. Average CO₂ emissions are 2.8 tonnes per year, with the potential to reduce to 1.4 tonnes through energy efficiency improvements.