EPC Ratings in SN12
Postcode area SN12 — 4,338 Energy Performance Certificates on record
4K
Certificates
4K
Properties
C (71)
Average Rating
£1,009
Avg Energy Cost/yr
EPC Rating
A92+
2.2%B81–91
23.3%C69–80
38.1%71
D55–68
24.2%E39–54
10.2%F21–38
1.6%G1–20
0.4%SN12 is 2.5 points better than the national average (D, 68.5/100).
71
SN12
68.5
National average
85
Potential (with improvements)
Rating Distribution
A
952.2%
B1,012
23.3%
C1,653
38.1%
D1,048
24.2%
E443
10.2%
F
711.6%
G
160.4%
Average Annual Energy Costs
| Cost Type | SN12 | National Avg | Difference |
|---|---|---|---|
| Heating | £737/yr | £782/yr | ▼ £45 |
| Hot water | £174/yr | £184/yr | ▼ £10 |
| Lighting | £98/yr | £95/yr | ▲ £3 |
| Total | £1,009/yr | £1,061/yr | ▼ £52 |
Property Types
House
3,27075.4%
Flat
60013.8%
Bungalow
4029.3%
Maisonette
661.5%
Main Heating Fuel
Mains gas
3,50280.8%
Electric
57613.3%
Oil
2064.8%
Other
290.7%
LPG
220.5%
CO₂ Emissions
3.1 tonnes/yr
Current average
1.5 tonnes/yr
Potential (with improvements)
Average floor area: 91 m²
Construction Age
Pre-1900
385
1900–1929
142
1930–1949
153
1950–1966
461
1967–1975
512
1976–1982
268
1983–1990
401
1991–1995
176
1996–2002
203
2003–2006
202
2007–2011
250
2012+
959
Efficiency Trend Over Time
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The postcode area SN12 has 4,338 Energy Performance Certificates on record, covering 4,206 properties. The average EPC rating is C with an efficiency score of 71 out of 100. Annual energy costs average £1,009, comprising £737 for heating, £174 for hot water and £98 for lighting. Average CO₂ emissions are 3.1 tonnes per year, with the potential to reduce to 1.5 tonnes through energy efficiency improvements.