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Postcode district energy-performance profile

GU10 EPC ratings and energy costs

Understand how homes in GU10 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

51.5%

of analysed certificates

Potential uplift

+15

average score points

Properties represented

3K

from 4K certificates

At a glance

What the data says about GU10

51.5%

rated A–C

14.7%

rated E–G

£1,509

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 GU10

A92+
4.0%
B81–91
16.6%
C69–80
30.9%
D55–68
68
33.7%
E39–54
11.8%
F21–38
2.3%
G1–20
0.6%

EPC band distribution in GU10

A
1474.0%
B
16.6%
610
C
30.9%
1,131
D
33.7%
1,236
E
11.8%
431
F
862.3%
G
230.6%

Certificate-estimated energy costs

Cost TypeGU10National AvgDifference
Heating£1,188/yr£782/yr▲ £406
Hot water£193/yr£184/yr▲ £9
Lighting£128/yr£95/yr▲ £33
Total£1,509/yr£1,061/yr▲ £448

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
2,86078.1%
Bungalow
44212.1%
Flat
2958.1%
Maisonette
671.8%

Main heating fuel

Mains gas
3,05683.4%
Electric
37110.1%
Oil
1484.0%
LPG
701.9%
Other
190.5%

Carbon emissions and improvement potential

4.7 t

current annual CO₂ estimate

2.5 t

potential annual estimate

140 m²

average floor area

When the represented homes were built

Pre-1900
11%
1900–1929
11%
1930–1949
9%
1950–1966
15%
1967–1975
10%
1976–1982
6%
1983–1990
6%
1991–1995
5%
1996–2002
4%
2003–2006
2%
2007–2011
3%
2012+
19%

Average EPC score over time

Average EPC efficiency score by year2020: 67, 2021: 67, 2022: 69, 2023: 70, 2024: 67, 2025: 677371696664202020212022202320242025Efficiency score
2020
67
2021
67
2022
69
2023
70
2024
67
2025
67

What to do next

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