Skip to main content

Postcode district energy-performance profile

DL10 EPC ratings and energy costs

Understand how homes in DL10 score, what certificate-estimated energy costs look like and how much improvement the recorded recommendations suggest.

Compare with another area →

Average EPC

D 64

4.5 points below analysed national average

Rated C or above

44.1%

of analysed certificates

Potential uplift

+19

average score points

Properties represented

3K

from 3K certificates

At a glance

What the data says about DL10

44.1%

rated A–C

17.9%

rated E–G

£1,409

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 DL10

A92+
0.7%
B81–91
6.1%
C69–80
37.3%
D55–68
64
38.0%
E39–54
13.5%
F21–38
3.4%
G1–20
1.0%

EPC band distribution in DL10

A
180.7%
B
1656.1%
C
37.3%
1,008
D
38.0%
1,027
E
13.5%
365
F
913.4%
G
261.0%

Certificate-estimated energy costs

Cost TypeDL10National AvgDifference
Heating£1,115/yr£782/yr▲ £333
Hot water£193/yr£184/yr▲ £9
Lighting£101/yr£95/yr▲ £6
Total£1,409/yr£1,061/yr▲ £348

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
1,85768.8%
Bungalow
44316.4%
Flat
34312.7%
Maisonette
532.0%
Park home
40.1%

Main heating fuel

Mains gas
1,92671.4%
Electric
36813.6%
Oil
32111.9%
LPG
532.0%
Other
311.1%

Carbon emissions and improvement potential

4.7 t

current annual CO₂ estimate

2.5 t

potential annual estimate

101 m²

average floor area

When the represented homes were built

Pre-1900
20%
1900–1929
5%
1930–1949
10%
1950–1966
16%
1967–1975
14%
1976–1982
6%
1983–1990
7%
1991–1995
4%
1996–2002
6%
2003–2006
4%
2007–2011
5%
2012+
5%

Average EPC score over time

Average EPC efficiency score by year2020: 62, 2021: 62, 2022: 64, 2023: 64, 2024: 66, 2025: 687168656259202020212022202320242025Efficiency score
2020
62
2021
62
2022
64
2023
64
2024
66
2025
68

What to do next

Related postcode districts