EPC Ratings in SN25
Postcode area SN25 — 5,554 Energy Performance Certificates on record
6K
Certificates
5K
Properties
C (74)
Average Rating
£843
Avg Energy Cost/yr
EPC Rating
A92+
0.7%B81–91
16.3%C69–80
66.7%74
D55–68
13.6%E39–54
2.4%F21–38
0.3%G1–20
0.1%SN25 is 5.5 points better than the national average (D, 68.5/100).
74
SN25
68.5
National average
84
Potential (with improvements)
Rating Distribution
A
380.7%
B905
16.3%
C3,706
66.7%
D755
13.6%
E
1312.4%
F
140.3%
G
50.1%
Average Annual Energy Costs
| Cost Type | SN25 | National Avg | Difference |
|---|---|---|---|
| Heating | £578/yr | £782/yr | ▼ £204 |
| Hot water | £171/yr | £184/yr | ▼ £13 |
| Lighting | £94/yr | £95/yr | ▼ £1 |
| Total | £843/yr | £1,061/yr | ▼ £218 |
Property Types
House
3,72067.0%
Flat
1,35924.5%
Maisonette
2434.4%
Bungalow
2314.2%
Park home
10.0%
Main Heating Fuel
Mains gas
5,03590.7%
Electric
5089.1%
Oil
80.1%
Other
20.0%
LPG
10.0%
CO₂ Emissions
2.5 tonnes/yr
Current average
1.5 tonnes/yr
Potential (with improvements)
Average floor area: 88 m²
Construction Age
Pre-1900
21
1900–1929
22
1930–1949
54
1950–1966
304
1967–1975
258
1976–1982
291
1983–1990
225
1991–1995
195
1996–2002
990
2003–2006
1,475
2007–2011
962
2012+
473
Efficiency Trend Over Time
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The postcode area SN25 has 5,554 Energy Performance Certificates on record, covering 5,418 properties. The average EPC rating is C with an efficiency score of 74 out of 100. Annual energy costs average £843, comprising £578 for heating, £171 for hot water and £94 for lighting. Average CO₂ emissions are 2.5 tonnes per year, with the potential to reduce to 1.5 tonnes through energy efficiency improvements.