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Postcode district energy-performance profile

RM18 EPC ratings and energy costs

Understand how homes in RM18 score, what certificate-estimated energy costs look like and how much improvement the recorded recommendations suggest.

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Average EPC

D 67

1.5 points below analysed national average

Rated C or above

48.5%

of analysed certificates

Potential uplift

+14

average score points

Properties represented

3K

from 3K certificates

At a glance

What the data says about RM18

48.5%

rated A–C

9.0%

rated E–G

£929

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 RM18

A92+
0.3%
B81–91
7.0%
C69–80
41.2%
D55–68
67
42.6%
E39–54
7.8%
F21–38
0.9%
G1–20
0.2%

EPC band distribution in RM18

A
70.3%
B
1927.0%
C
41.2%
1,127
D
42.6%
1,164
E
2147.8%
F
250.9%
G
60.2%

Certificate-estimated energy costs

Cost TypeRM18National AvgDifference
Heating£642/yr£782/yr▼ £140
Hot water£204/yr£184/yr▲ £20
Lighting£83/yr£95/yr▼ £12
Total£929/yr£1,061/yr▼ £132

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
1,67861.4%
Flat
97235.5%
Maisonette
662.4%
Bungalow
190.7%

Main heating fuel

Mains gas
1,94671.2%
Electric
75427.6%
Other
230.8%
LPG
70.3%
Oil
40.1%

Carbon emissions and improvement potential

2.9 t

current annual CO₂ estimate

1.5 t

potential annual estimate

72 m²

average floor area

When the represented homes were built

Pre-1900
0%
1900–1929
6%
1930–1949
17%
1950–1966
23%
1967–1975
25%
1976–1982
6%
1983–1990
7%
1991–1995
3%
1996–2002
2%
2003–2006
4%
2007–2011
2%
2012+
6%

Average EPC score over time

Average EPC efficiency score by year2020: 65, 2021: 67, 2022: 67, 2023: 67, 2024: 66, 2025: 697270676562202020212022202320242025Efficiency score
2020
65
2021
67
2022
67
2023
67
2024
66
2025
69

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