Skip to main content

Postcode district energy-performance profile

CW9 EPC ratings and energy costs

Understand how homes in CW9 score, what certificate-estimated energy costs look like and how much improvement the recorded recommendations suggest.

Compare with another area →

Average EPC

C 69

0.5 points above analysed national average

Rated C or above

54.0%

of analysed certificates

Potential uplift

+15

average score points

Properties represented

5K

from 5K certificates

At a glance

What the data says about CW9

54.0%

rated A–C

9.4%

rated E–G

£1,062

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 CW9

A92+
4.1%
B81–91
17.5%
C69–80
69
32.4%
D55–68
36.6%
E39–54
7.3%
F21–38
1.6%
G1–20
0.5%

EPC band distribution in CW9

A
1944.1%
B
17.5%
823
C
32.4%
1,522
D
36.6%
1,719
E
3437.3%
F
751.6%
G
240.5%

Certificate-estimated energy costs

Cost TypeCW9National AvgDifference
Heating£789/yr£782/yr▲ £7
Hot water£173/yr£184/yr▼ £11
Lighting£100/yr£95/yr▲ £5
Total£1,062/yr£1,061/yr▲ £1

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
3,54175.3%
Flat
72315.4%
Bungalow
3717.9%
Maisonette
651.4%

Main heating fuel

Mains gas
4,07088.0%
Electric
3928.5%
Oil
1002.2%
LPG
461.0%
Other
180.4%

Carbon emissions and improvement potential

3.3 t

current annual CO₂ estimate

1.7 t

potential annual estimate

91 m²

average floor area

When the represented homes were built

Pre-1900
8%
1900–1929
15%
1930–1949
8%
1950–1966
16%
1967–1975
7%
1976–1982
3%
1983–1990
4%
1991–1995
5%
1996–2002
10%
2003–2006
4%
2007–2011
1%
2012+
18%

Average EPC score over time

Average EPC efficiency score by year2020: 69, 2021: 68, 2022: 68, 2023: 68, 2024: 71, 2025: 727573706865202020212022202320242025Efficiency score
2020
69
2021
68
2022
68
2023
68
2024
71
2025
72

What to do next

Related postcode districts