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Postcode district energy-performance profile

CF34 EPC ratings and energy costs

Understand how homes in CF34 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

43.3%

of analysed certificates

Potential uplift

+17

average score points

Properties represented

3K

from 3K certificates

At a glance

What the data says about CF34

43.3%

rated A–C

11.0%

rated E–G

£1,290

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 CF34

A92+
0.7%
B81–91
4.1%
C69–80
38.5%
D55–68
66
45.7%
E39–54
8.4%
F21–38
1.6%
G1–20
1.0%

EPC band distribution in CF34

A
190.7%
B
1174.1%
C
38.5%
1,086
D
45.7%
1,289
E
8.4%
238
F
441.6%
G
281.0%

Certificate-estimated energy costs

Cost TypeCF34National AvgDifference
Heating£1,018/yr£782/yr▲ £236
Hot water£168/yr£184/yr▼ £16
Lighting£104/yr£95/yr▲ £9
Total£1,290/yr£1,061/yr▲ £229

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
2,27780.7%
Flat
37813.4%
Bungalow
1254.4%
Maisonette
411.5%

Main heating fuel

Mains gas
2,64793.8%
Electric
1093.9%
Other
331.2%
Oil
260.9%
LPG
60.2%

Carbon emissions and improvement potential

4 t

current annual CO₂ estimate

2 t

potential annual estimate

85 m²

average floor area

When the represented homes were built

Pre-1900
19%
1900–1929
35%
1930–1949
3%
1950–1966
16%
1967–1975
11%
1976–1982
2%
1983–1990
3%
1991–1995
3%
1996–2002
4%
2003–2006
1%
2007–2011
1%
2012+
2%

Average EPC score over time

Average EPC efficiency score by year2020: 63, 2021: 63, 2022: 66, 2023: 67, 2024: 65, 2025: 677068656360202020212022202320242025Efficiency score
2020
63
2021
63
2022
66
2023
67
2024
65
2025
67

What to do next

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