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Postcode district energy-performance profile

BS1 EPC ratings and energy costs

Understand how homes in BS1 score, what certificate-estimated energy costs look like and how much improvement the recorded recommendations suggest.

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Average EPC

C 75

6.5 points above analysed national average

Rated C or above

80.6%

of analysed certificates

Potential uplift

+5

average score points

Properties represented

5K

from 5K certificates

At a glance

What the data says about BS1

80.6%

rated A–C

5.8%

rated E–G

£622

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 BS1

A92+
0.0%
B81–91
46.4%
C69–80
75
34.2%
D55–68
13.7%
E39–54
4.9%
F21–38
0.6%
G1–20
0.3%

EPC band distribution in BS1

A
00.0%
B
46.4%
2,532
C
34.2%
1,867
D
13.7%
746
E
2694.9%
F
330.6%
G
140.3%

Certificate-estimated energy costs

Cost TypeBS1National AvgDifference
Heating£356/yr£782/yr▼ £426
Hot water£197/yr£184/yr▲ £13
Lighting£69/yr£95/yr▼ £26
Total£622/yr£1,061/yr▼ £439

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
5,12593.8%
Maisonette
1923.5%
House
1232.3%
Bungalow
210.4%

Main heating fuel

Electric
2,44063.3%
Mains gas
1,40036.3%
Other
110.3%
Oil
20.1%

Carbon emissions and improvement potential

1.6 t

current annual CO₂ estimate

1.3 t

potential annual estimate

58 m²

average floor area

When the represented homes were built

Pre-1900
9%
1900–1929
6%
1930–1949
0%
1950–1966
2%
1967–1975
3%
1976–1982
1%
1983–1990
7%
1991–1995
2%
1996–2002
6%
2003–2006
7%
2007–2011
17%
2012+
40%

Average EPC score over time

Average EPC efficiency score by year2020: 74, 2021: 73, 2022: 73, 2023: 74, 2024: 79, 2025: 788279767370202020212022202320242025Efficiency score
2020
74
2021
73
2022
73
2023
74
2024
79
2025
78

What to do next

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