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Postcode district energy-performance profile

DL6 EPC ratings and energy costs

Understand how homes in DL6 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

56.4%

of analysed certificates

Potential uplift

+17

average score points

Properties represented

3K

from 3K certificates

At a glance

What the data says about DL6

56.4%

rated A–C

15.8%

rated E–G

£1,192

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 DL6

A92+
1.4%
B81–91
25.6%
C69–80
29.4%
D55–68
68
27.8%
E39–54
11.1%
F21–38
3.8%
G1–20
0.8%

EPC band distribution in DL6

A
431.4%
B
25.6%
816
C
29.4%
937
D
27.8%
886
E
11.1%
354
F
1213.8%
G
270.8%

Certificate-estimated energy costs

Cost TypeDL6National AvgDifference
Heating£891/yr£782/yr▲ £109
Hot water£202/yr£184/yr▲ £18
Lighting£99/yr£95/yr▲ £4
Total£1,192/yr£1,061/yr▲ £131

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
2,32573.0%
Bungalow
57017.9%
Flat
2828.9%
Maisonette
70.2%

Main heating fuel

Mains gas
2,11366.5%
Electric
58418.4%
Oil
40012.6%
Other
431.4%
LPG
391.2%

Carbon emissions and improvement potential

3.8 t

current annual CO₂ estimate

1.9 t

potential annual estimate

96 m²

average floor area

When the represented homes were built

Pre-1900
11%
1900–1929
4%
1930–1949
5%
1950–1966
20%
1967–1975
17%
1976–1982
6%
1983–1990
4%
1991–1995
4%
1996–2002
3%
2003–2006
2%
2007–2011
2%
2012+
22%

Average EPC score over time

Average EPC efficiency score by year2020: 63, 2021: 66, 2022: 70, 2023: 70, 2024: 70, 2025: 727571686460202020212022202320242025Efficiency score
2020
63
2021
66
2022
70
2023
70
2024
70
2025
72

What to do next

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