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Postcode district energy-performance profile

NW1 EPC ratings and energy costs

Understand how homes in NW1 score, what certificate-estimated energy costs look like and how much improvement the recorded recommendations suggest.

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Average EPC

C 71

2.5 points above analysed national average

Rated C or above

67.3%

of analysed certificates

Potential uplift

+7

average score points

Properties represented

12K

from 12K certificates

At a glance

What the data says about NW1

67.3%

rated A–C

5.9%

rated E–G

£820

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 NW1

A92+
0.1%
B81–91
14.2%
C69–80
71
53.0%
D55–68
26.8%
E39–54
5.3%
F21–38
0.4%
G1–20
0.2%

EPC band distribution in NW1

A
70.1%
B
14.2%
1,695
C
53.0%
6,341
D
26.8%
3,206
E
6375.3%
F
490.4%
G
190.2%

Certificate-estimated energy costs

Cost TypeNW1National AvgDifference
Heating£556/yr£782/yr▼ £226
Hot water£179/yr£184/yr▼ £5
Lighting£85/yr£95/yr▼ £10
Total£820/yr£1,061/yr▼ £241

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
9,99783.6%
Maisonette
9768.2%
House
9698.1%
Bungalow
120.1%

Main heating fuel

Mains gas
9,43582.9%
Electric
1,89016.6%
Other
400.4%
LPG
140.1%
Oil
80.1%

Carbon emissions and improvement potential

2.4 t

current annual CO₂ estimate

1.6 t

potential annual estimate

72 m²

average floor area

When the represented homes were built

Pre-1900
19%
1900–1929
22%
1930–1949
13%
1950–1966
8%
1967–1975
8%
1976–1982
3%
1983–1990
3%
1991–1995
2%
1996–2002
4%
2003–2006
3%
2007–2011
4%
2012+
9%

Average EPC score over time

Average EPC efficiency score by year2020: 69, 2021: 70, 2022: 70, 2023: 72, 2024: 72, 2025: 707573716866202020212022202320242025Efficiency score
2020
69
2021
70
2022
70
2023
72
2024
72
2025
70

What to do next

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