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Postcode district energy-performance profile

GU17 EPC ratings and energy costs

Understand how homes in GU17 score, what certificate-estimated energy costs look like and how much improvement the recorded recommendations suggest.

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Average EPC

C 71

2.5 points above analysed national average

Rated C or above

63.0%

of analysed certificates

Potential uplift

+13

average score points

Properties represented

1K

from 1K certificates

At a glance

What the data says about GU17

63.0%

rated A–C

7.3%

rated E–G

£1,084

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 GU17

A92+
0.6%
B81–91
22.7%
C69–80
71
39.7%
D55–68
29.7%
E39–54
6.2%
F21–38
0.7%
G1–20
0.4%

EPC band distribution in GU17

A
90.6%
B
22.7%
334
C
39.7%
584
D
29.7%
437
E
916.2%
F
110.7%
G
60.4%

Certificate-estimated energy costs

Cost TypeGU17National AvgDifference
Heating£781/yr£782/yr▼ £1
Hot water£194/yr£184/yr▲ £10
Lighting£109/yr£95/yr▲ £14
Total£1,084/yr£1,061/yr▲ £23

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
1,11175.5%
Flat
21314.5%
Bungalow
1097.4%
Maisonette
392.6%

Main heating fuel

Mains gas
1,29087.6%
Electric
16811.4%
Other
70.5%
Oil
40.3%
LPG
30.2%

Carbon emissions and improvement potential

3.3 t

current annual CO₂ estimate

1.7 t

potential annual estimate

101 m²

average floor area

When the represented homes were built

Pre-1900
1%
1900–1929
5%
1930–1949
3%
1950–1966
16%
1967–1975
31%
1976–1982
9%
1983–1990
9%
1991–1995
2%
1996–2002
4%
2003–2006
2%
2007–2011
1%
2012+
18%

Average EPC score over time

Average EPC efficiency score by year2020: 73, 2021: 71, 2022: 70, 2023: 71, 2024: 69, 2025: 677673706764202020212022202320242025Efficiency score
2020
73
2021
71
2022
70
2023
71
2024
69
2025
67

What to do next

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