EPC Ratings in SN9
Postcode area SN9 — 1,344 Energy Performance Certificates on record
1K
Certificates
1K
Properties
D (59)
Average Rating
£1,662
Avg Energy Cost/yr
EPC Rating
A92+
0.8%B81–91
6.4%C69–80
14.7%D55–68
43.5%59
E39–54
28.1%F21–38
5.3%G1–20
1.2%SN9 is 9.5 points worse than the national average (D, 68.5/100).
59
SN9
68.5
National average
79
Potential (with improvements)
Rating Distribution
A
110.8%
B
866.4%
C198
14.7%
D585
43.5%
E377
28.1%
F
715.3%
G
161.2%
Average Annual Energy Costs
| Cost Type | SN9 | National Avg | Difference |
|---|---|---|---|
| Heating | £1,280/yr | £782/yr | ▲ £498 |
| Hot water | £260/yr | £184/yr | ▲ £76 |
| Lighting | £123/yr | £95/yr | ▲ £28 |
| Total | £1,662/yr | £1,061/yr | ▲ £601 |
Property Types
House
1,03877.2%
Bungalow
18513.8%
Flat
987.3%
Maisonette
231.7%
Main Heating Fuel
Oil
65648.9%
Electric
50837.9%
LPG
836.2%
Mains gas
614.5%
Other
332.5%
CO₂ Emissions
6 tonnes/yr
Current average
3.4 tonnes/yr
Potential (with improvements)
Average floor area: 119 m²
Construction Age
Pre-1900
241
1900–1929
78
1930–1949
86
1950–1966
303
1967–1975
96
1976–1982
60
1983–1990
106
1991–1995
52
1996–2002
64
2003–2006
50
2007–2011
73
2012+
107
Efficiency Trend Over Time
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The postcode area SN9 has 1,344 Energy Performance Certificates on record, covering 1,278 properties. The average EPC rating is D with an efficiency score of 59 out of 100. Annual energy costs average £1,662, comprising £1,280 for heating, £260 for hot water and £123 for lighting. Average CO₂ emissions are 6 tonnes per year, with the potential to reduce to 3.4 tonnes through energy efficiency improvements.