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Postcode district energy-performance profile

CH46 EPC ratings and energy costs

Understand how homes in CH46 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

57.6%

of analysed certificates

Potential uplift

+14

average score points

Properties represented

3K

from 4K certificates

At a glance

What the data says about CH46

57.6%

rated A–C

7.4%

rated E–G

£997

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 CH46

A92+
1.4%
B81–91
11.7%
C69–80
69
44.5%
D55–68
35.0%
E39–54
5.6%
F21–38
1.1%
G1–20
0.6%

EPC band distribution in CH46

A
491.4%
B
11.7%
415
C
44.5%
1,582
D
35.0%
1,243
E
2005.6%
F
401.1%
G
230.6%

Certificate-estimated energy costs

Cost TypeCH46National AvgDifference
Heating£734/yr£782/yr▼ £48
Hot water£168/yr£184/yr▼ £16
Lighting£95/yr£95/yr —
Total£997/yr£1,061/yr▼ £64

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
2,41367.9%
Flat
66118.6%
Bungalow
45912.9%
Maisonette
190.5%

Main heating fuel

Mains gas
3,33393.8%
Electric
2065.8%
Other
80.2%
LPG
30.1%
Oil
20.1%

Carbon emissions and improvement potential

3 t

current annual CO₂ estimate

1.5 t

potential annual estimate

82 m²

average floor area

When the represented homes were built

Pre-1900
0%
1900–1929
5%
1930–1949
16%
1950–1966
29%
1967–1975
12%
1976–1982
6%
1983–1990
4%
1991–1995
4%
1996–2002
7%
2003–2006
3%
2007–2011
1%
2012+
13%

Average EPC score over time

Average EPC efficiency score by year2020: 67, 2021: 68, 2022: 69, 2023: 71, 2024: 69, 2025: 707472696764202020212022202320242025Efficiency score
2020
67
2021
68
2022
69
2023
71
2024
69
2025
70

What to do next

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