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Postcode district energy-performance profile

CM13 EPC ratings and energy costs

Understand how homes in CM13 score, what certificate-estimated energy costs look like and how much improvement the recorded recommendations suggest.

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Average EPC

D 68

0.5 points below analysed national average

Rated C or above

56.4%

of analysed certificates

Potential uplift

+12

average score points

Properties represented

4K

from 5K certificates

At a glance

What the data says about CM13

56.4%

rated A–C

9.2%

rated E–G

£1,232

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 CM13

A92+
0.5%
B81–91
7.2%
C69–80
48.7%
D55–68
68
34.4%
E39–54
8.0%
F21–38
0.9%
G1–20
0.2%

EPC band distribution in CM13

A
250.5%
B
3307.2%
C
48.7%
2,231
D
34.4%
1,577
E
8.0%
367
F
420.9%
G
110.2%

Certificate-estimated energy costs

Cost TypeCM13National AvgDifference
Heating£917/yr£782/yr▲ £135
Hot water£207/yr£184/yr▲ £23
Lighting£108/yr£95/yr▲ £13
Total£1,232/yr£1,061/yr▲ £171

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
2,54855.6%
Flat
1,44331.5%
Bungalow
46410.1%
Maisonette
1252.7%
Park home
30.1%

Main heating fuel

Mains gas
3,70381.8%
Electric
76416.9%
Oil
320.7%
Other
160.4%
LPG
120.3%

Carbon emissions and improvement potential

3.6 t

current annual CO₂ estimate

2.1 t

potential annual estimate

97 m²

average floor area

When the represented homes were built

Pre-1900
2%
1900–1929
2%
1930–1949
7%
1950–1966
47%
1967–1975
10%
1976–1982
5%
1983–1990
6%
1991–1995
2%
1996–2002
1%
2003–2006
1%
2007–2011
1%
2012+
15%

Average EPC score over time

Average EPC efficiency score by year2020: 66, 2021: 67, 2022: 69, 2023: 68, 2024: 69, 2025: 707371686663202020212022202320242025Efficiency score
2020
66
2021
67
2022
69
2023
68
2024
69
2025
70

What to do next

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