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Postcode district energy-performance profile

RM1 EPC ratings and energy costs

Understand how homes in RM1 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

53.1%

of analysed certificates

Potential uplift

+12

average score points

Properties represented

4K

from 4K certificates

At a glance

What the data says about RM1

53.1%

rated A–C

11.0%

rated E–G

£962

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 RM1

A92+
0.4%
B81–91
15.9%
C69–80
36.8%
D55–68
68
35.8%
E39–54
9.5%
F21–38
1.1%
G1–20
0.5%

EPC band distribution in RM1

A
160.4%
B
15.9%
675
C
36.8%
1,565
D
35.8%
1,522
E
9.5%
403
F
451.1%
G
210.5%

Certificate-estimated energy costs

Cost TypeRM1National AvgDifference
Heating£679/yr£782/yr▼ £103
Hot water£197/yr£184/yr▲ £13
Lighting£86/yr£95/yr▼ £9
Total£962/yr£1,061/yr▼ £99

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

Flat
2,36955.8%
House
1,55036.5%
Bungalow
2054.8%
Maisonette
1232.9%

Main heating fuel

Mains gas
2,77166.3%
Electric
1,37733.0%
Other
180.4%
LPG
120.3%
Oil
10.0%

Carbon emissions and improvement potential

2.9 t

current annual CO₂ estimate

1.7 t

potential annual estimate

75 m²

average floor area

When the represented homes were built

Pre-1900
3%
1900–1929
11%
1930–1949
28%
1950–1966
8%
1967–1975
4%
1976–1982
2%
1983–1990
4%
1991–1995
2%
1996–2002
7%
2003–2006
6%
2007–2011
6%
2012+
19%

Average EPC score over time

Average EPC efficiency score by year2020: 65, 2021: 67, 2022: 67, 2023: 68, 2024: 73, 2025: 687673696662202020212022202320242025Efficiency score
2020
65
2021
67
2022
67
2023
68
2024
73
2025
68

What to do next

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