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Postcode district energy-performance profile

NR21 EPC ratings and energy costs

Understand how homes in NR21 score, what certificate-estimated energy costs look like and how much improvement the recorded recommendations suggest.

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Average EPC

D 62

6.5 points below analysed national average

Rated C or above

36.1%

of analysed certificates

Potential uplift

+21

average score points

Properties represented

3K

from 3K certificates

At a glance

What the data says about NR21

36.1%

rated A–C

26.4%

rated E–G

£1,391

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 NR21

A92+
1.5%
B81–91
7.6%
C69–80
26.9%
D55–68
62
37.6%
E39–54
20.7%
F21–38
4.7%
G1–20
0.9%

EPC band distribution in NR21

A
471.5%
B
2347.6%
C
26.9%
830
D
37.6%
1,157
E
20.7%
639
F
1464.7%
G
280.9%

Certificate-estimated energy costs

Cost TypeNR21National AvgDifference
Heating£1,046/yr£782/yr▲ £264
Hot water£234/yr£184/yr▲ £50
Lighting£110/yr£95/yr▲ £15
Total£1,391/yr£1,061/yr▲ £330

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
2,00865.2%
Bungalow
80326.1%
Flat
2558.3%
Maisonette
150.5%

Main heating fuel

Mains gas
1,29242.0%
Electric
89429.1%
Oil
77425.2%
Other
622.0%
LPG
531.7%

Carbon emissions and improvement potential

4.5 t

current annual CO₂ estimate

2.2 t

potential annual estimate

93 m²

average floor area

When the represented homes were built

Pre-1900
14%
1900–1929
9%
1930–1949
7%
1950–1966
19%
1967–1975
10%
1976–1982
8%
1983–1990
9%
1991–1995
6%
1996–2002
6%
2003–2006
3%
2007–2011
3%
2012+
8%

Average EPC score over time

Average EPC efficiency score by year2020: 60, 2021: 65, 2022: 60, 2023: 63, 2024: 64, 2025: 626865636057202020212022202320242025Efficiency score
2020
60
2021
65
2022
60
2023
63
2024
64
2025
62

What to do next

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