EPC Ratings in SO18
Postcode area SO18 — 5,419 Energy Performance Certificates on record
5K
Certificates
5K
Properties
D (67)
Average Rating
£937
Avg Energy Cost/yr
EPC Rating
A92+
0.1%B81–91
6.3%C69–80
43.8%D55–68
40.2%67
E39–54
8.0%F21–38
1.1%G1–20
0.4%SO18 is 1.5 points worse than the national average (D, 68.5/100).
67
SO18
68.5
National average
79
Potential (with improvements)
Rating Distribution
A
80.1%
B
3416.3%
C2,375
43.8%
D2,180
40.2%
E435
8.0%
F
591.1%
G
210.4%
Average Annual Energy Costs
| Cost Type | SO18 | National Avg | Difference |
|---|---|---|---|
| Heating | £661/yr | £782/yr | ▼ £121 |
| Hot water | £189/yr | £184/yr | ▲ £5 |
| Lighting | £87/yr | £95/yr | ▼ £8 |
| Total | £937/yr | £1,061/yr | ▼ £124 |
Property Types
House
2,65048.9%
Flat
2,00437.0%
Maisonette
3877.1%
Bungalow
3787.0%
Main Heating Fuel
Mains gas
4,11175.9%
Electric
1,27023.4%
Other
290.5%
LPG
60.1%
Oil
30.1%
CO₂ Emissions
2.9 tonnes/yr
Current average
1.7 tonnes/yr
Potential (with improvements)
Average floor area: 72 m²
Construction Age
Pre-1900
40
1900–1929
591
1930–1949
943
1950–1966
1,371
1967–1975
603
1976–1982
325
1983–1990
647
1991–1995
240
1996–2002
201
2003–2006
180
2007–2011
149
2012+
94
Efficiency Trend Over Time
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The postcode area SO18 has 5,419 Energy Performance Certificates on record, covering 5,195 properties. The average EPC rating is D with an efficiency score of 67 out of 100. Annual energy costs average £937, comprising £661 for heating, £189 for hot water and £87 for lighting. Average CO₂ emissions are 2.9 tonnes per year, with the potential to reduce to 1.7 tonnes through energy efficiency improvements.