EPC Ratings in SN7
Postcode area SN7 — 3,462 Energy Performance Certificates on record
3K
Certificates
3K
Properties
C (70)
Average Rating
£1,159
Avg Energy Cost/yr
EPC Rating
A92+
2.3%B81–91
27.6%C69–80
31.5%70
D55–68
22.9%E39–54
12.7%F21–38
2.7%G1–20
0.4%SN7 is 1.5 points better than the national average (D, 68.5/100).
70
SN7
68.5
National average
85
Potential (with improvements)
Rating Distribution
A
812.3%
B954
27.6%
C1,090
31.5%
D792
22.9%
E439
12.7%
F
932.7%
G
130.4%
Average Annual Energy Costs
| Cost Type | SN7 | National Avg | Difference |
|---|---|---|---|
| Heating | £846/yr | £782/yr | ▲ £64 |
| Hot water | £207/yr | £184/yr | ▲ £23 |
| Lighting | £106/yr | £95/yr | ▲ £11 |
| Total | £1,159/yr | £1,061/yr | ▲ £98 |
Property Types
House
2,57974.5%
Flat
48514.0%
Bungalow
2968.5%
Maisonette
1022.9%
Main Heating Fuel
Mains gas
2,23664.6%
Electric
83224.0%
Oil
2788.0%
LPG
852.5%
Other
290.8%
CO₂ Emissions
3.4 tonnes/yr
Current average
1.7 tonnes/yr
Potential (with improvements)
Average floor area: 99 m²
Construction Age
Pre-1900
372
1900–1929
110
1930–1949
124
1950–1966
447
1967–1975
369
1976–1982
156
1983–1990
191
1991–1995
114
1996–2002
180
2003–2006
115
2007–2011
239
2012+
916
Efficiency Trend Over Time
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The postcode area SN7 has 3,462 Energy Performance Certificates on record, covering 3,211 properties. The average EPC rating is C with an efficiency score of 70 out of 100. Annual energy costs average £1,159, comprising £846 for heating, £207 for hot water and £106 for lighting. Average CO₂ emissions are 3.4 tonnes per year, with the potential to reduce to 1.7 tonnes through energy efficiency improvements.