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Postcode district energy-performance profile

RG20 EPC ratings and energy costs

Understand how homes in RG20 score, what certificate-estimated energy costs look like and how much improvement the recorded recommendations suggest.

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Average EPC

D 59

9.5 points below analysed national average

Rated C or above

28.6%

of analysed certificates

Potential uplift

+22

average score points

Properties represented

3K

from 3K certificates

At a glance

What the data says about RG20

28.6%

rated A–C

32.9%

rated E–G

£1,711

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 RG20

A92+
1.1%
B81–91
4.2%
C69–80
23.3%
D55–68
59
38.5%
E39–54
25.1%
F21–38
6.6%
G1–20
1.3%

EPC band distribution in RG20

A
371.1%
B
1404.2%
C
23.3%
778
D
38.5%
1,286
E
25.1%
838
F
2206.6%
G
421.3%

Certificate-estimated energy costs

Cost TypeRG20National AvgDifference
Heating£1,308/yr£782/yr▲ £526
Hot water£277/yr£184/yr▲ £93
Lighting£126/yr£95/yr▲ £31
Total£1,711/yr£1,061/yr▲ £650

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
2,58977.5%
Bungalow
47914.3%
Flat
2357.0%
Maisonette
371.1%
Park home
10.0%

Main heating fuel

Oil
1,23637.3%
Electric
1,22236.8%
Mains gas
64019.3%
Other
1303.9%
LPG
902.7%

Carbon emissions and improvement potential

5.7 t

current annual CO₂ estimate

2.9 t

potential annual estimate

123 m²

average floor area

When the represented homes were built

Pre-1900
14%
1900–1929
7%
1930–1949
7%
1950–1966
25%
1967–1975
11%
1976–1982
6%
1983–1990
8%
1991–1995
4%
1996–2002
4%
2003–2006
3%
2007–2011
5%
2012+
5%

Average EPC score over time

Average EPC efficiency score by year2020: 54, 2021: 57, 2022: 61, 2023: 60, 2024: 61, 2025: 636662595551202020212022202320242025Efficiency score
2020
54
2021
57
2022
61
2023
60
2024
61
2025
63

What to do next

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