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Postcode district energy-performance profile

SE27 EPC ratings and energy costs

Understand how homes in SE27 score, what certificate-estimated energy costs look like and how much improvement the recorded recommendations suggest.

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Average EPC

D 67

1.5 points below analysed national average

Rated C or above

51.1%

of analysed certificates

Potential uplift

+11

average score points

Properties represented

5K

from 5K certificates

At a glance

What the data says about SE27

51.1%

rated A–C

8.5%

rated E–G

£1,022

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 SE27

A92+
0.3%
B81–91
3.7%
C69–80
47.1%
D55–68
67
40.3%
E39–54
7.1%
F21–38
0.8%
G1–20
0.6%

EPC band distribution in SE27

A
140.3%
B
1893.7%
C
47.1%
2,393
D
40.3%
2,047
E
3637.1%
F
430.8%
G
280.6%

Certificate-estimated energy costs

Cost TypeSE27National AvgDifference
Heating£748/yr£782/yr▼ £34
Hot water£183/yr£184/yr▼ £1
Lighting£91/yr£95/yr▼ £4
Total£1,022/yr£1,061/yr▼ £39

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
3,09460.9%
House
1,58631.2%
Maisonette
3677.2%
Bungalow
300.6%

Main heating fuel

Mains gas
4,58690.9%
Electric
4428.8%
Other
140.3%
LPG
30.1%

Carbon emissions and improvement potential

2.8 t

current annual CO₂ estimate

1.6 t

potential annual estimate

72 m²

average floor area

When the represented homes were built

Pre-1900
10%
1900–1929
29%
1930–1949
22%
1950–1966
6%
1967–1975
9%
1976–1982
8%
1983–1990
4%
1991–1995
1%
1996–2002
1%
2003–2006
1%
2007–2011
2%
2012+
6%

Average EPC score over time

Average EPC efficiency score by year2020: 65, 2021: 66, 2022: 67, 2023: 68, 2024: 67, 2025: 697270676562202020212022202320242025Efficiency score
2020
65
2021
66
2022
67
2023
68
2024
67
2025
69

What to do next

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