EPC Ratings in ST15
Postcode area ST15 — 3,342 Energy Performance Certificates on record
3K
Certificates
3K
Properties
C (69)
Average Rating
£1,162
Avg Energy Cost/yr
EPC Rating
A92+
1.2%B81–91
19.0%C69–80
36.1%69
D55–68
31.8%E39–54
9.3%F21–38
1.8%G1–20
0.7%ST15 is 0.5 points better than the national average (D, 68.5/100).
69
ST15
68.5
National average
83
Potential (with improvements)
Rating Distribution
A
411.2%
B635
19.0%
C1,206
36.1%
D1,063
31.8%
E311
9.3%
F
611.8%
G
250.7%
Average Annual Energy Costs
| Cost Type | ST15 | National Avg | Difference |
|---|---|---|---|
| Heating | £879/yr | £782/yr | ▲ £97 |
| Hot water | £182/yr | £184/yr | ▼ £2 |
| Lighting | £100/yr | £95/yr | ▲ £5 |
| Total | £1,162/yr | £1,061/yr | ▲ £101 |
Property Types
House
2,31369.2%
Flat
71921.5%
Bungalow
2798.3%
Maisonette
310.9%
Main Heating Fuel
Mains gas
2,68280.4%
Electric
47414.2%
Oil
1213.6%
Other
321.0%
LPG
280.8%
CO₂ Emissions
3.8 tonnes/yr
Current average
2.1 tonnes/yr
Potential (with improvements)
Average floor area: 94 m²
Construction Age
Pre-1900
186
1900–1929
279
1930–1949
263
1950–1966
389
1967–1975
485
1976–1982
140
1983–1990
217
1991–1995
208
1996–2002
233
2003–2006
174
2007–2011
177
2012+
496
Efficiency Trend Over Time
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The postcode area ST15 has 3,342 Energy Performance Certificates on record, covering 3,179 properties. The average EPC rating is C with an efficiency score of 69 out of 100. Annual energy costs average £1,162, comprising £879 for heating, £182 for hot water and £100 for lighting. Average CO₂ emissions are 3.8 tonnes per year, with the potential to reduce to 2.1 tonnes through energy efficiency improvements.