EPC Ratings in SM3
Postcode area SM3 — 2,386 Energy Performance Certificates on record
2K
Certificates
2K
Properties
D (65)
Average Rating
£1,088
Avg Energy Cost/yr
EPC Rating
A92+
0.4%B81–91
3.3%C69–80
35.1%D55–68
48.7%65
E39–54
10.8%F21–38
1.3%G1–20
0.5%SM3 is 3.5 points worse than the national average (D, 68.5/100).
65
SM3
68.5
National average
81
Potential (with improvements)
Rating Distribution
A
90.4%
B
793.3%
C837
35.1%
D1,162
48.7%
E258
10.8%
F
301.3%
G
110.5%
Average Annual Energy Costs
| Cost Type | SM3 | National Avg | Difference |
|---|---|---|---|
| Heating | £808/yr | £782/yr | ▲ £26 |
| Hot water | £184/yr | £184/yr | — |
| Lighting | £96/yr | £95/yr | ▲ £1 |
| Total | £1,088/yr | £1,061/yr | ▲ £27 |
Property Types
House
1,57365.9%
Flat
68328.6%
Maisonette
1104.6%
Bungalow
200.8%
Main Heating Fuel
Mains gas
2,09587.8%
Electric
28311.9%
Other
70.3%
Oil
10.0%
CO₂ Emissions
3.5 tonnes/yr
Current average
1.7 tonnes/yr
Potential (with improvements)
Average floor area: 87 m²
Construction Age
Pre-1900
25
1900–1929
270
1930–1949
1,383
1950–1966
141
1967–1975
93
1976–1982
55
1983–1990
79
1991–1995
54
1996–2002
38
2003–2006
43
2007–2011
45
2012+
147
Efficiency Trend Over Time
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The postcode area SM3 has 2,386 Energy Performance Certificates on record, covering 2,300 properties. The average EPC rating is D with an efficiency score of 65 out of 100. Annual energy costs average £1,088, comprising £808 for heating, £184 for hot water and £96 for lighting. Average CO₂ emissions are 3.5 tonnes per year, with the potential to reduce to 1.7 tonnes through energy efficiency improvements.