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Postcode district energy-performance profile

PO31 EPC ratings and energy costs

Understand how homes in PO31 score, what certificate-estimated energy costs look like and how much improvement the recorded recommendations suggest.

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Average EPC

D 66

2.5 points below analysed national average

Rated C or above

47.0%

of analysed certificates

Potential uplift

+16

average score points

Properties represented

3K

from 3K certificates

At a glance

What the data says about PO31

47.0%

rated A–C

14.1%

rated E–G

£1,157

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 PO31

A92+
2.4%
B81–91
6.1%
C69–80
38.5%
D55–68
66
39.0%
E39–54
10.6%
F21–38
2.3%
G1–20
1.2%

EPC band distribution in PO31

A
662.4%
B
1696.1%
C
38.5%
1,065
D
39.0%
1,078
E
10.6%
294
F
632.3%
G
321.2%

Certificate-estimated energy costs

Cost TypePO31National AvgDifference
Heating£850/yr£782/yr▲ £68
Hot water£202/yr£184/yr▲ £18
Lighting£105/yr£95/yr▲ £10
Total£1,157/yr£1,061/yr▲ £96

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
1,70061.4%
Flat
56520.4%
Bungalow
46416.8%
Maisonette
371.3%
Park home
10.0%

Main heating fuel

Mains gas
2,18679.0%
Electric
53919.5%
Other
321.2%
Oil
50.2%
LPG
50.2%

Carbon emissions and improvement potential

3.5 t

current annual CO₂ estimate

1.8 t

potential annual estimate

92 m²

average floor area

When the represented homes were built

Pre-1900
5%
1900–1929
14%
1930–1949
19%
1950–1966
9%
1967–1975
13%
1976–1982
9%
1983–1990
6%
1991–1995
5%
1996–2002
6%
2003–2006
6%
2007–2011
4%
2012+
4%

Average EPC score over time

Average EPC efficiency score by year2020: 62, 2021: 64, 2022: 67, 2023: 66, 2024: 67, 2025: 697269666259202020212022202320242025Efficiency score
2020
62
2021
64
2022
67
2023
66
2024
67
2025
69

What to do next

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