EPC Ratings in SN10
Postcode area SN10 — 5,207 Energy Performance Certificates on record
5K
Certificates
5K
Properties
D (66)
Average Rating
£1,309
Avg Energy Cost/yr
EPC Rating
A92+
2.7%B81–91
10.5%C69–80
37.0%D55–68
30.6%66
E39–54
14.7%F21–38
3.8%G1–20
0.7%SN10 is 2.5 points worse than the national average (D, 68.5/100).
66
SN10
68.5
National average
82
Potential (with improvements)
Rating Distribution
A
1382.7%
B547
10.5%
C1,926
37.0%
D1,594
30.6%
E768
14.7%
F
1963.8%
G
380.7%
Average Annual Energy Costs
| Cost Type | SN10 | National Avg | Difference |
|---|---|---|---|
| Heating | £977/yr | £782/yr | ▲ £195 |
| Hot water | £224/yr | £184/yr | ▲ £40 |
| Lighting | £108/yr | £95/yr | ▲ £13 |
| Total | £1,309/yr | £1,061/yr | ▲ £248 |
Property Types
House
3,59769.1%
Flat
95618.4%
Bungalow
57511.0%
Maisonette
701.3%
Park home
90.2%
Main Heating Fuel
Mains gas
2,75753.0%
Electric
1,50929.0%
Oil
78515.1%
LPG
811.6%
Other
661.3%
CO₂ Emissions
4.1 tonnes/yr
Current average
2.2 tonnes/yr
Potential (with improvements)
Average floor area: 97 m²
Construction Age
Pre-1900
624
1900–1929
270
1930–1949
332
1950–1966
696
1967–1975
568
1976–1982
308
1983–1990
405
1991–1995
347
1996–2002
354
2003–2006
330
2007–2011
343
2012+
483
Efficiency Trend Over Time
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The postcode area SN10 has 5,207 Energy Performance Certificates on record, covering 4,949 properties. The average EPC rating is D with an efficiency score of 66 out of 100. Annual energy costs average £1,309, comprising £977 for heating, £224 for hot water and £108 for lighting. Average CO₂ emissions are 4.1 tonnes per year, with the potential to reduce to 2.2 tonnes through energy efficiency improvements.