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Postcode district energy-performance profile

W1U EPC ratings and energy costs

Understand how homes in W1U 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

69.5%

of analysed certificates

Potential uplift

+8

average score points

Properties represented

2K

from 2K certificates

At a glance

What the data says about W1U

69.5%

rated A–C

7.0%

rated E–G

£891

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 W1U

A92+
0.2%
B81–91
13.8%
C69–80
71
55.5%
D55–68
23.4%
E39–54
6.1%
F21–38
0.7%
G1–20
0.3%

EPC band distribution in W1U

A
40.2%
B
13.8%
296
C
55.5%
1,189
D
23.4%
502
E
1306.1%
F
140.7%
G
60.3%

Certificate-estimated energy costs

Cost TypeW1UNational AvgDifference
Heating£605/yr£782/yr▼ £177
Hot water£193/yr£184/yr▲ £9
Lighting£93/yr£95/yr▼ £2
Total£891/yr£1,061/yr▼ £170

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
1,94090.6%
House
1205.6%
Maisonette
803.7%
Bungalow
10.0%

Main heating fuel

Mains gas
1,46572.9%
Electric
53026.4%
Other
130.6%
Oil
10.0%
LPG
10.0%

Carbon emissions and improvement potential

2.6 t

current annual CO₂ estimate

1.8 t

potential annual estimate

84 m²

average floor area

When the represented homes were built

Pre-1900
28%
1900–1929
25%
1930–1949
16%
1950–1966
2%
1967–1975
4%
1976–1982
2%
1983–1990
1%
1991–1995
1%
1996–2002
3%
2003–2006
2%
2007–2011
4%
2012+
13%

Average EPC score over time

Average EPC efficiency score by year2020: 68, 2021: 70, 2022: 69, 2023: 74, 2024: 71, 2025: 727774716865202020212022202320242025Efficiency score
2020
68
2021
70
2022
69
2023
74
2024
71
2025
72

What to do next

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