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Postcode district energy-performance profile

GU27 EPC ratings and energy costs

Understand how homes in GU27 score, what certificate-estimated energy costs look like and how much improvement the recorded recommendations suggest.

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Average EPC

D 67

1.5 points below analysed national average

Rated C or above

52.0%

of analysed certificates

Potential uplift

+14

average score points

Properties represented

3K

from 3K certificates

At a glance

What the data says about GU27

52.0%

rated A–C

13.9%

rated E–G

£1,442

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 GU27

A92+
3.2%
B81–91
10.5%
C69–80
38.2%
D55–68
67
34.2%
E39–54
10.4%
F21–38
2.7%
G1–20
0.7%

EPC band distribution in GU27

A
933.2%
B
10.5%
305
C
38.2%
1,105
D
34.2%
988
E
10.4%
301
F
792.7%
G
210.7%

Certificate-estimated energy costs

Cost TypeGU27National AvgDifference
Heating£1,124/yr£782/yr▲ £342
Hot water£202/yr£184/yr▲ £18
Lighting£116/yr£95/yr▲ £21
Total£1,442/yr£1,061/yr▲ £381

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
1,81262.7%
Flat
81128.0%
Bungalow
2057.1%
Maisonette
642.2%

Main heating fuel

Mains gas
2,26878.5%
Electric
46716.2%
Oil
1184.1%
LPG
291.0%
Other
90.3%

Carbon emissions and improvement potential

4.5 t

current annual CO₂ estimate

2.6 t

potential annual estimate

117 m²

average floor area

When the represented homes were built

Pre-1900
9%
1900–1929
14%
1930–1949
10%
1950–1966
14%
1967–1975
9%
1976–1982
7%
1983–1990
9%
1991–1995
4%
1996–2002
4%
2003–2006
5%
2007–2011
3%
2012+
14%

Average EPC score over time

Average EPC efficiency score by year2020: 63, 2021: 65, 2022: 68, 2023: 66, 2024: 72, 2025: 697571686460202020212022202320242025Efficiency score
2020
63
2021
65
2022
68
2023
66
2024
72
2025
69

What to do next

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