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Postcode district energy-performance profile

GL4 EPC ratings and energy costs

Understand how homes in GL4 score, what certificate-estimated energy costs look like and how much improvement the recorded recommendations suggest.

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Average EPC

C 69

0.5 points above analysed national average

Rated C or above

59.8%

of analysed certificates

Potential uplift

+14

average score points

Properties represented

7K

from 7K certificates

At a glance

What the data says about GL4

59.8%

rated A–C

7.1%

rated E–G

£1,004

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 GL4

A92+
1.6%
B81–91
10.1%
C69–80
69
48.0%
D55–68
33.1%
E39–54
5.5%
F21–38
1.3%
G1–20
0.4%

EPC band distribution in GL4

A
1151.6%
B
10.1%
740
C
48.0%
3,502
D
33.1%
2,414
E
4015.5%
F
931.3%
G
270.4%

Certificate-estimated energy costs

Cost TypeGL4National AvgDifference
Heating£729/yr£782/yr▼ £53
Hot water£178/yr£184/yr▼ £6
Lighting£97/yr£95/yr▲ £2
Total£1,004/yr£1,061/yr▼ £57

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
4,97668.2%
Flat
1,17816.2%
Bungalow
79010.8%
Maisonette
3314.5%
Park home
170.2%

Main heating fuel

Mains gas
6,47388.8%
Electric
6218.5%
Oil
1111.5%
LPG
580.8%
Other
280.4%

Carbon emissions and improvement potential

2.9 t

current annual CO₂ estimate

1.5 t

potential annual estimate

82 m²

average floor area

When the represented homes were built

Pre-1900
3%
1900–1929
3%
1930–1949
6%
1950–1966
28%
1967–1975
12%
1976–1982
8%
1983–1990
10%
1991–1995
6%
1996–2002
7%
2003–2006
4%
2007–2011
4%
2012+
10%

Average EPC score over time

Average EPC efficiency score by year2020: 66, 2021: 68, 2022: 67, 2023: 69, 2024: 71, 2025: 737673706663202020212022202320242025Efficiency score
2020
66
2021
68
2022
67
2023
69
2024
71
2025
73

What to do next

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