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Postcode district energy-performance profile

SG3 EPC ratings and energy costs

Understand how homes in SG3 score, what certificate-estimated energy costs look like and how much improvement the recorded recommendations suggest.

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Average EPC

C 70

1.5 points above analysed national average

Rated C or above

63.1%

of analysed certificates

Potential uplift

+13

average score points

Properties represented

1K

from 1K certificates

At a glance

What the data says about SG3

63.1%

rated A–C

11.6%

rated E–G

£1,027

certificate-estimated annual cost

Cost figures are averages of estimates recorded on EPCs at different dates. They are useful for comparing areas, but they are not a forecast of a current household bill.

Average EPC score in SG3

A92+
0.8%
B81–91
18.3%
C69–80
70
44.0%
D55–68
25.3%
E39–54
10.9%
F21–38
0.7%
G1–20
0.1%

EPC band distribution in SG3

A
110.8%
B
18.3%
267
C
44.0%
644
D
25.3%
370
E
10.9%
159
F
100.7%
G
10.1%

Certificate-estimated energy costs

Cost TypeSG3National AvgDifference
Heating£748/yr£782/yr▼ £34
Hot water£185/yr£184/yr▲ £1
Lighting£94/yr£95/yr▼ £1
Total£1,027/yr£1,061/yr▼ £34

These values come from certificate assessments and reflect standardised occupancy assumptions and energy prices used when each EPC was produced. They are not live tariffs.

Property types in the dataset

House
80354.9%
Flat
37825.9%
Bungalow
20714.2%
Maisonette
745.1%

Main heating fuel

Mains gas
1,29488.5%
Electric
14910.2%
Oil
120.8%
Other
60.4%
LPG
10.1%

Carbon emissions and improvement potential

3.2 t

current annual CO₂ estimate

1.7 t

potential annual estimate

88 m²

average floor area

When the represented homes were built

Pre-1900
3%
1900–1929
11%
1930–1949
6%
1950–1966
28%
1967–1975
18%
1976–1982
3%
1983–1990
10%
1991–1995
4%
1996–2002
3%
2003–2006
2%
2007–2011
1%
2012+
12%

Average EPC score over time

Average EPC efficiency score by year2020: 71, 2021: 72, 2022: 64, 2023: 66, 2024: 72, 2025: 737672696561202020212022202320242025Efficiency score
2020
71
2021
72
2022
64
2023
66
2024
72
2025
73

What to do next

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