EPC Ratings in ST3
Postcode area ST3 — 8,639 Energy Performance Certificates on record
9K
Certificates
8K
Properties
D (67)
Average Rating
£1,135
Avg Energy Cost/yr
EPC Rating
A92+
0.7%B81–91
6.9%C69–80
43.2%D55–68
34.7%67
E39–54
13.2%F21–38
1.0%G1–20
0.3%ST3 is 1.5 points worse than the national average (D, 68.5/100).
67
ST3
68.5
National average
83
Potential (with improvements)
Rating Distribution
A
600.7%
B
5966.9%
C3,729
43.2%
D2,996
34.7%
E1,138
13.2%
F
901.0%
G
300.3%
Average Annual Energy Costs
| Cost Type | ST3 | National Avg | Difference |
|---|---|---|---|
| Heating | £877/yr | £782/yr | ▲ £95 |
| Hot water | £164/yr | £184/yr | ▼ £20 |
| Lighting | £94/yr | £95/yr | ▼ £1 |
| Total | £1,135/yr | £1,061/yr | ▲ £74 |
Property Types
House
6,65177.0%
Bungalow
1,03312.0%
Flat
91310.6%
Maisonette
420.5%
Main Heating Fuel
Mains gas
8,00692.7%
Electric
5566.4%
Other
460.5%
Oil
230.3%
LPG
70.1%
CO₂ Emissions
3.6 tonnes/yr
Current average
1.9 tonnes/yr
Potential (with improvements)
Average floor area: 80 m²
Construction Age
Pre-1900
225
1900–1929
702
1930–1949
1,352
1950–1966
3,013
1967–1975
992
1976–1982
467
1983–1990
418
1991–1995
288
1996–2002
311
2003–2006
156
2007–2011
171
2012+
455
Efficiency Trend Over Time
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The postcode area ST3 has 8,639 Energy Performance Certificates on record, covering 7,823 properties. The average EPC rating is D with an efficiency score of 67 out of 100. Annual energy costs average £1,135, comprising £877 for heating, £164 for hot water and £94 for lighting. Average CO₂ emissions are 3.6 tonnes per year, with the potential to reduce to 1.9 tonnes through energy efficiency improvements.