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Postcode district energy-performance profile

CA1 EPC ratings and energy costs

Understand how homes in CA1 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

54.3%

of analysed certificates

Potential uplift

+14

average score points

Properties represented

5K

from 5K certificates

At a glance

What the data says about CA1

54.3%

rated A–C

8.3%

rated E–G

£1,110

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 CA1

A92+
0.0%
B81–91
13.4%
C69–80
40.8%
D55–68
68
37.4%
E39–54
6.3%
F21–38
1.2%
G1–20
0.8%

EPC band distribution in CA1

A
20.0%
B
13.4%
637
C
40.8%
1,940
D
37.4%
1,778
E
3016.3%
F
591.2%
G
360.8%

Certificate-estimated energy costs

Cost TypeCA1National AvgDifference
Heating£836/yr£782/yr▲ £54
Hot water£178/yr£184/yr▼ £6
Lighting£95/yr£95/yr —
Total£1,110/yr£1,061/yr▲ £49

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
3,32870.0%
Flat
1,10223.2%
Bungalow
2725.7%
Maisonette
511.1%

Main heating fuel

Mains gas
4,20288.4%
Electric
50410.6%
Other
440.9%
LPG
30.1%

Carbon emissions and improvement potential

3.3 t

current annual CO₂ estimate

1.9 t

potential annual estimate

82 m²

average floor area

When the represented homes were built

Pre-1900
20%
1900–1929
10%
1930–1949
14%
1950–1966
18%
1967–1975
4%
1976–1982
4%
1983–1990
6%
1991–1995
3%
1996–2002
5%
2003–2006
4%
2007–2011
3%
2012+
10%

Average EPC score over time

Average EPC efficiency score by year2020: 69, 2021: 68, 2022: 68, 2023: 68, 2024: 67, 2025: 687270686664202020212022202320242025Efficiency score
2020
69
2021
68
2022
68
2023
68
2024
67
2025
68

What to do next

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