EPC Ratings in SN5
Postcode area SN5 — 4,304 Energy Performance Certificates on record
4K
Certificates
4K
Properties
C (69)
Average Rating
£1,002
Avg Energy Cost/yr
EPC Rating
A92+
0.5%B81–91
5.3%C69–80
59.2%69
D55–68
30.0%E39–54
4.3%F21–38
0.7%G1–20
0.1%SN5 is 0.5 points better than the national average (D, 68.5/100).
69
SN5
68.5
National average
84
Potential (with improvements)
Rating Distribution
A
210.5%
B
2265.3%
C2,547
59.2%
D1,291
30.0%
E
1834.3%
F
310.7%
G
50.1%
Average Annual Energy Costs
| Cost Type | SN5 | National Avg | Difference |
|---|---|---|---|
| Heating | £730/yr | £782/yr | ▼ £52 |
| Hot water | £183/yr | £184/yr | ▼ £1 |
| Lighting | £89/yr | £95/yr | ▼ £6 |
| Total | £1,002/yr | £1,061/yr | ▼ £59 |
Property Types
House
3,18474.0%
Flat
56113.0%
Bungalow
3788.8%
Maisonette
1814.2%
Main Heating Fuel
Mains gas
3,62584.2%
Electric
58113.5%
Oil
741.7%
LPG
130.3%
Other
110.3%
CO₂ Emissions
3 tonnes/yr
Current average
1.6 tonnes/yr
Potential (with improvements)
Average floor area: 82 m²
Construction Age
Pre-1900
113
1900–1929
66
1930–1949
64
1950–1966
175
1967–1975
251
1976–1982
823
1983–1990
1,507
1991–1995
615
1996–2002
253
2003–2006
50
2007–2011
104
2012+
223
Efficiency Trend Over Time
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The postcode area SN5 has 4,304 Energy Performance Certificates on record, covering 4,143 properties. The average EPC rating is C with an efficiency score of 69 out of 100. Annual energy costs average £1,002, comprising £730 for heating, £183 for hot water and £89 for lighting. Average CO₂ emissions are 3 tonnes per year, with the potential to reduce to 1.6 tonnes through energy efficiency improvements.