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Postcode district energy-performance profile

SS17 EPC ratings and energy costs

Understand how homes in SS17 score, what certificate-estimated energy costs look like and how much improvement the recorded recommendations suggest.

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Average EPC

C 69

0.5 points above analysed national average

Rated C or above

50.9%

of analysed certificates

Potential uplift

+14

average score points

Properties represented

4K

from 4K certificates

At a glance

What the data says about SS17

50.9%

rated A–C

8.4%

rated E–G

£1,017

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 SS17

A92+
4.1%
B81–91
9.8%
C69–80
69
37.1%
D55–68
40.6%
E39–54
7.0%
F21–38
1.1%
G1–20
0.4%

EPC band distribution in SS17

A
1704.1%
B
9.8%
413
C
37.1%
1,555
D
40.6%
1,706
E
2927.0%
F
461.1%
G
150.4%

Certificate-estimated energy costs

Cost TypeSS17National AvgDifference
Heating£743/yr£782/yr▼ £39
Hot water£178/yr£184/yr▼ £6
Lighting£97/yr£95/yr▲ £2
Total£1,017/yr£1,061/yr▼ £44

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
2,82367.3%
Flat
81619.4%
Bungalow
43410.3%
Maisonette
1243.0%

Main heating fuel

Mains gas
3,73689.0%
Electric
44110.5%
Other
90.2%
Oil
60.1%
LPG
50.1%

Carbon emissions and improvement potential

3.2 t

current annual CO₂ estimate

1.6 t

potential annual estimate

85 m²

average floor area

When the represented homes were built

Pre-1900
1%
1900–1929
4%
1930–1949
9%
1950–1966
27%
1967–1975
27%
1976–1982
9%
1983–1990
4%
1991–1995
1%
1996–2002
2%
2003–2006
1%
2007–2011
1%
2012+
13%

Average EPC score over time

Average EPC efficiency score by year2020: 64, 2021: 67, 2022: 68, 2023: 69, 2024: 72, 2025: 707572686561202020212022202320242025Efficiency score
2020
64
2021
67
2022
68
2023
69
2024
72
2025
70

What to do next

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