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Postcode district energy-performance profile

EC3N EPC ratings and energy costs

Understand how homes in EC3N score, what certificate-estimated energy costs look like and how much improvement the recorded recommendations suggest.

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Average EPC

C 77

8.5 points above analysed national average

Rated C or above

82.5%

of analysed certificates

Potential uplift

+5

average score points

Properties represented

219

from 223 certificates

At a glance

What the data says about EC3N

82.5%

rated A–C

4.9%

rated E–G

£676

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 EC3N

A92+
0.0%
B81–91
43.9%
C69–80
77
38.6%
D55–68
12.6%
E39–54
4.5%
F21–38
0.4%
G1–20
0.0%

EPC band distribution in EC3N

A
00.0%
B
43.9%
98
C
38.6%
86
D
12.6%
28
E
104.5%
F
10.4%
G
00.0%

Certificate-estimated energy costs

Cost TypeEC3NNational AvgDifference
Heating£371/yr£782/yr▼ £411
Hot water£216/yr£184/yr▲ £32
Lighting£89/yr£95/yr▼ £6
Total£676/yr£1,061/yr▼ £385

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
223100.0%

Main heating fuel

Electric
8159.6%
Mains gas
5540.4%

Carbon emissions and improvement potential

1.5 t

current annual CO₂ estimate

1.2 t

potential annual estimate

62 m²

average floor area

When the represented homes were built

Pre-1900
5%
1900–1929
19%
1930–1949
3%
1950–1966
1%
1967–1975
5%
1983–1990
0%
1991–1995
2%
1996–2002
14%
2003–2006
7%
2007–2011
2%
2012+
40%

Average EPC score over time

Average EPC efficiency score by year2020: 72, 2021: 65, 2022: 75, 2023: 72, 2024: 83, 2025: 748680746862202020212022202320242025Efficiency score
2020
72
2021
65
2022
75
2023
72
2024
83
2025
74

What to do next

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