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Postcode district energy-performance profile

DE4 EPC ratings and energy costs

Understand how homes in DE4 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

47.3%

of analysed certificates

Potential uplift

+18

average score points

Properties represented

6K

from 6K certificates

At a glance

What the data says about DE4

47.3%

rated A–C

16.4%

rated E–G

£1,334

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 DE4

A92+
1.9%
B81–91
12.8%
C69–80
32.7%
D55–68
66
36.2%
E39–54
12.3%
F21–38
2.9%
G1–20
1.1%

EPC band distribution in DE4

A
1111.9%
B
12.8%
759
C
32.7%
1,946
D
36.2%
2,155
E
12.3%
734
F
1752.9%
G
681.1%

Certificate-estimated energy costs

Cost TypeDE4National AvgDifference
Heating£1,055/yr£782/yr▲ £273
Hot water£181/yr£184/yr▼ £3
Lighting£98/yr£95/yr▲ £3
Total£1,334/yr£1,061/yr▲ £273

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
4,17670.2%
Flat
95016.0%
Bungalow
74312.5%
Maisonette
781.3%
Park home
10.0%

Main heating fuel

Mains gas
4,99484.5%
Electric
5719.7%
Oil
2093.5%
Other
741.3%
LPG
611.0%

Carbon emissions and improvement potential

4.1 t

current annual CO₂ estimate

2 t

potential annual estimate

93 m²

average floor area

When the represented homes were built

Pre-1900
22%
1900–1929
11%
1930–1949
7%
1950–1966
14%
1967–1975
10%
1976–1982
5%
1983–1990
5%
1991–1995
3%
1996–2002
3%
2003–2006
3%
2007–2011
6%
2012+
12%

Average EPC score over time

Average EPC efficiency score by year2020: 62, 2021: 65, 2022: 67, 2023: 67, 2024: 67, 2025: 687168656259202020212022202320242025Efficiency score
2020
62
2021
65
2022
67
2023
67
2024
67
2025
68

What to do next

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