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Postcode district energy-performance profile

SS11 EPC ratings and energy costs

Understand how homes in SS11 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

54.3%

of analysed certificates

Potential uplift

+15

average score points

Properties represented

2K

from 2K certificates

At a glance

What the data says about SS11

54.3%

rated A–C

10.8%

rated E–G

£1,011

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 SS11

A92+
0.5%
B81–91
17.8%
C69–80
69
36.0%
D55–68
34.9%
E39–54
9.3%
F21–38
1.1%
G1–20
0.4%

EPC band distribution in SS11

A
130.5%
B
17.8%
432
C
36.0%
872
D
34.9%
845
E
9.3%
226
F
261.1%
G
100.4%

Certificate-estimated energy costs

Cost TypeSS11National AvgDifference
Heating£741/yr£782/yr▼ £41
Hot water£167/yr£184/yr▼ £17
Lighting£103/yr£95/yr▲ £8
Total£1,011/yr£1,061/yr▼ £50

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
1,48061.1%
Bungalow
53121.9%
Flat
35814.8%
Maisonette
471.9%
Park home
80.3%

Main heating fuel

Mains gas
2,16589.3%
Electric
2068.5%
Oil
241.0%
LPG
230.9%
Other
60.2%

Carbon emissions and improvement potential

3.2 t

current annual CO₂ estimate

1.5 t

potential annual estimate

94 m²

average floor area

When the represented homes were built

Pre-1900
1%
1900–1929
3%
1930–1949
10%
1950–1966
26%
1967–1975
18%
1976–1982
6%
1983–1990
8%
1991–1995
4%
1996–2002
3%
2003–2006
2%
2007–2011
3%
2012+
16%

Average EPC score over time

Average EPC efficiency score by year2020: 67, 2021: 67, 2022: 67, 2023: 71, 2024: 71, 2025: 697472696764202020212022202320242025Efficiency score
2020
67
2021
67
2022
67
2023
71
2024
71
2025
69

What to do next

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