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Postcode district energy-performance profile

DL7 EPC ratings and energy costs

Understand how homes in DL7 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

48.5%

of analysed certificates

Potential uplift

+18

average score points

Properties represented

2K

from 3K certificates

At a glance

What the data says about DL7

48.5%

rated A–C

17.7%

rated E–G

£1,314

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 DL7

A92+
1.9%
B81–91
7.4%
C69–80
39.2%
D55–68
66
33.8%
E39–54
13.3%
F21–38
3.8%
G1–20
0.6%

EPC band distribution in DL7

A
491.9%
B
1937.4%
C
39.2%
1,017
D
33.8%
876
E
13.3%
346
F
983.8%
G
160.6%

Certificate-estimated energy costs

Cost TypeDL7National AvgDifference
Heating£984/yr£782/yr▲ £202
Hot water£227/yr£184/yr▲ £43
Lighting£103/yr£95/yr▲ £8
Total£1,314/yr£1,061/yr▲ £253

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
1,67164.4%
Bungalow
59522.9%
Flat
32112.4%
Maisonette
80.3%

Main heating fuel

Mains gas
1,54259.6%
Electric
56221.7%
Oil
38915.0%
LPG
501.9%
Other
441.7%

Carbon emissions and improvement potential

4.3 t

current annual CO₂ estimate

2.3 t

potential annual estimate

97 m²

average floor area

When the represented homes were built

Pre-1900
11%
1900–1929
7%
1930–1949
6%
1950–1966
15%
1967–1975
12%
1976–1982
6%
1983–1990
17%
1991–1995
5%
1996–2002
6%
2003–2006
4%
2007–2011
3%
2012+
8%

Average EPC score over time

Average EPC efficiency score by year2020: 64, 2021: 63, 2022: 63, 2023: 65, 2024: 67, 2025: 717471676460202020212022202320242025Efficiency score
2020
64
2021
63
2022
63
2023
65
2024
67
2025
71

What to do next

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