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Postcode district energy-performance profile

RM20 EPC ratings and energy costs

Understand how homes in RM20 score, what certificate-estimated energy costs look like and how much improvement the recorded recommendations suggest.

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Average EPC

C 74

5.5 points above analysed national average

Rated C or above

69.0%

of analysed certificates

Potential uplift

+12

average score points

Properties represented

1K

from 1K certificates

At a glance

What the data says about RM20

69.0%

rated A–C

5.1%

rated E–G

£662

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 RM20

A92+
4.5%
B81–91
37.4%
C69–80
74
27.0%
D55–68
26.0%
E39–54
4.5%
F21–38
0.5%
G1–20
0.0%

EPC band distribution in RM20

A
624.5%
B
37.4%
510
C
27.0%
368
D
26.0%
354
E
624.5%
F
70.5%
G
00.0%

Certificate-estimated energy costs

Cost TypeRM20National AvgDifference
Heating£439/yr£782/yr▼ £343
Hot water£150/yr£184/yr▼ £34
Lighting£74/yr£95/yr▼ £21
Total£662/yr£1,061/yr▼ £399

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
71352.3%
Flat
63546.6%
Bungalow
90.7%
Maisonette
60.4%

Main heating fuel

Mains gas
1,15084.4%
Electric
20515.0%
Other
80.6%

Carbon emissions and improvement potential

1.9 t

current annual CO₂ estimate

1.1 t

potential annual estimate

68 m²

average floor area

When the represented homes were built

Pre-1900
2%
1900–1929
14%
1930–1949
13%
1950–1966
6%
1967–1975
4%
1976–1982
1%
1983–1990
10%
1991–1995
7%
1996–2002
4%
2003–2006
2%
2007–2011
8%
2012+
29%

Average EPC score over time

Average EPC efficiency score by year2020: 77, 2021: 76, 2022: 74, 2023: 73, 2024: 72, 2025: 718077747168202020212022202320242025Efficiency score
2020
77
2021
76
2022
74
2023
73
2024
72
2025
71

What to do next

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