EPC Ratings in SO23
Postcode area SO23 — 4,319 Energy Performance Certificates on record
4K
Certificates
4K
Properties
C (69)
Average Rating
£1,018
Avg Energy Cost/yr
EPC Rating
A92+
0.6%B81–91
9.5%C69–80
51.2%69
D55–68
30.7%E39–54
6.5%F21–38
1.0%G1–20
0.4%SO23 is 0.5 points better than the national average (D, 68.5/100).
69
SO23
68.5
National average
80
Potential (with improvements)
Rating Distribution
A
270.6%
B410
9.5%
C2,213
51.2%
D1,326
30.7%
E
2816.5%
F
441.0%
G
180.4%
Average Annual Energy Costs
| Cost Type | SO23 | National Avg | Difference |
|---|---|---|---|
| Heating | £738/yr | £782/yr | ▼ £44 |
| Hot water | £184/yr | £184/yr | — |
| Lighting | £97/yr | £95/yr | ▲ £2 |
| Total | £1,018/yr | £1,061/yr | ▼ £43 |
Property Types
House
2,22151.4%
Flat
1,74940.5%
Maisonette
1814.2%
Bungalow
1683.9%
Main Heating Fuel
Mains gas
3,36377.9%
Electric
92221.3%
Other
170.4%
Oil
90.2%
LPG
80.2%
CO₂ Emissions
3.1 tonnes/yr
Current average
1.9 tonnes/yr
Potential (with improvements)
Average floor area: 89 m²
Construction Age
Pre-1900
625
1900–1929
470
1930–1949
186
1950–1966
434
1967–1975
458
1976–1982
315
1983–1990
420
1991–1995
367
1996–2002
227
2003–2006
230
2007–2011
132
2012+
414
Efficiency Trend Over Time
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The postcode area SO23 has 4,319 Energy Performance Certificates on record, covering 4,206 properties. The average EPC rating is C with an efficiency score of 69 out of 100. Annual energy costs average £1,018, comprising £738 for heating, £184 for hot water and £97 for lighting. Average CO₂ emissions are 3.1 tonnes per year, with the potential to reduce to 1.9 tonnes through energy efficiency improvements.