EPC Ratings in SN6
Postcode area SN6 — 4,441 Energy Performance Certificates on record
4K
Certificates
4K
Properties
C (69)
Average Rating
£1,219
Avg Energy Cost/yr
EPC Rating
A92+
2.0%B81–91
18.9%C69–80
36.7%69
D55–68
30.9%E39–54
9.1%F21–38
2.0%G1–20
0.4%SN6 is 0.5 points better than the national average (D, 68.5/100).
69
SN6
68.5
National average
84
Potential (with improvements)
Rating Distribution
A
882.0%
B841
18.9%
C1,630
36.7%
D1,372
30.9%
E404
9.1%
F
882.0%
G
180.4%
Average Annual Energy Costs
| Cost Type | SN6 | National Avg | Difference |
|---|---|---|---|
| Heating | £918/yr | £782/yr | ▲ £136 |
| Hot water | £195/yr | £184/yr | ▲ £11 |
| Lighting | £106/yr | £95/yr | ▲ £11 |
| Total | £1,219/yr | £1,061/yr | ▲ £158 |
Property Types
House
3,50478.9%
Bungalow
4309.7%
Flat
4169.4%
Maisonette
912.0%
Main Heating Fuel
Mains gas
3,35275.5%
Electric
71116.0%
Oil
3257.3%
LPG
310.7%
Other
180.4%
CO₂ Emissions
3.8 tonnes/yr
Current average
2 tonnes/yr
Potential (with improvements)
Average floor area: 107 m²
Construction Age
Pre-1900
545
1900–1929
111
1930–1949
221
1950–1966
754
1967–1975
677
1976–1982
433
1983–1990
256
1991–1995
98
1996–2002
369
2003–2006
81
2007–2011
66
2012+
647
Efficiency Trend Over Time
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The postcode area SN6 has 4,441 Energy Performance Certificates on record, covering 4,153 properties. The average EPC rating is C with an efficiency score of 69 out of 100. Annual energy costs average £1,219, comprising £918 for heating, £195 for hot water and £106 for lighting. Average CO₂ emissions are 3.8 tonnes per year, with the potential to reduce to 2 tonnes through energy efficiency improvements.