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Postcode district energy-performance profile

CV1 EPC ratings and energy costs

Understand how homes in CV1 score, what certificate-estimated energy costs look like and how much improvement the recorded recommendations suggest.

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Average EPC

C 70

1.5 points above analysed national average

Rated C or above

64.2%

of analysed certificates

Potential uplift

+10

average score points

Properties represented

9K

from 9K certificates

At a glance

What the data says about CV1

64.2%

rated A–C

6.6%

rated E–G

£872

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 CV1

A92+
0.3%
B81–91
9.8%
C69–80
70
54.2%
D55–68
29.2%
E39–54
5.7%
F21–38
0.7%
G1–20
0.2%

EPC band distribution in CV1

A
270.3%
B
9.8%
921
C
54.2%
5,098
D
29.2%
2,747
E
5345.7%
F
630.7%
G
220.2%

Certificate-estimated energy costs

Cost TypeCV1National AvgDifference
Heating£616/yr£782/yr▼ £166
Hot water£183/yr£184/yr▼ £1
Lighting£72/yr£95/yr▼ £23
Total£872/yr£1,061/yr▼ £189

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

Flat
5,11854.4%
House
3,90241.5%
Maisonette
3503.7%
Bungalow
420.4%

Main heating fuel

Mains gas
6,30267.4%
Electric
3,01632.3%
Other
190.2%
LPG
70.1%
Oil
40.0%

Carbon emissions and improvement potential

2.5 t

current annual CO₂ estimate

1.6 t

potential annual estimate

63 m²

average floor area

When the represented homes were built

Pre-1900
5%
1900–1929
33%
1930–1949
7%
1950–1966
11%
1967–1975
8%
1976–1982
3%
1983–1990
3%
1991–1995
2%
1996–2002
5%
2003–2006
7%
2007–2011
4%
2012+
11%

Average EPC score over time

Average EPC efficiency score by year2020: 68, 2021: 69, 2022: 72, 2023: 70, 2024: 69, 2025: 717573706865202020212022202320242025Efficiency score
2020
68
2021
69
2022
72
2023
70
2024
69
2025
71

What to do next

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