EPC Ratings in ST17
Postcode area ST17 — 5,262 Energy Performance Certificates on record
5K
Certificates
5K
Properties
C (69)
Average Rating
£1,123
Avg Energy Cost/yr
EPC Rating
A92+
2.6%B81–91
11.5%C69–80
40.2%69
D55–68
36.9%E39–54
7.3%F21–38
1.2%G1–20
0.3%ST17 is 0.5 points better than the national average (D, 68.5/100).
69
ST17
68.5
National average
82
Potential (with improvements)
Rating Distribution
A
1362.6%
B607
11.5%
C2,116
40.2%
D1,941
36.9%
E
3867.3%
F
611.2%
G
150.3%
Average Annual Energy Costs
| Cost Type | ST17 | National Avg | Difference |
|---|---|---|---|
| Heating | £849/yr | £782/yr | ▲ £67 |
| Hot water | £175/yr | £184/yr | ▼ £9 |
| Lighting | £99/yr | £95/yr | ▲ £4 |
| Total | £1,123/yr | £1,061/yr | ▲ £62 |
Property Types
House
3,81472.5%
Flat
95218.1%
Bungalow
4458.5%
Maisonette
480.9%
Park home
30.1%
Main Heating Fuel
Mains gas
4,74490.3%
Electric
4658.8%
Oil
230.4%
Other
160.3%
LPG
80.2%
CO₂ Emissions
3.4 tonnes/yr
Current average
1.9 tonnes/yr
Potential (with improvements)
Average floor area: 89 m²
Construction Age
Pre-1900
128
1900–1929
417
1930–1949
411
1950–1966
1,321
1967–1975
902
1976–1982
355
1983–1990
354
1991–1995
207
1996–2002
222
2003–2006
208
2007–2011
137
2012+
544
Efficiency Trend Over Time
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The postcode area ST17 has 5,262 Energy Performance Certificates on record, covering 5,054 properties. The average EPC rating is C with an efficiency score of 69 out of 100. Annual energy costs average £1,123, comprising £849 for heating, £175 for hot water and £99 for lighting. Average CO₂ emissions are 3.4 tonnes per year, with the potential to reduce to 1.9 tonnes through energy efficiency improvements.