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Postcode district energy-performance profile

BN43 EPC ratings and energy costs

Understand how homes in BN43 score, what certificate-estimated energy costs look like and how much improvement the recorded recommendations suggest.

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Average EPC

C 69

0.5 points above analysed national average

Rated C or above

57.0%

of analysed certificates

Potential uplift

+13

average score points

Properties represented

4K

from 4K certificates

At a glance

What the data says about BN43

57.0%

rated A–C

10.9%

rated E–G

£1,061

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 BN43

A92+
0.3%
B81–91
17.6%
C69–80
69
39.1%
D55–68
32.1%
E39–54
9.6%
F21–38
1.0%
G1–20
0.3%

EPC band distribution in BN43

A
140.3%
B
17.6%
741
C
39.1%
1,647
D
32.1%
1,350
E
9.6%
404
F
421.0%
G
130.3%

Certificate-estimated energy costs

Cost TypeBN43National AvgDifference
Heating£745/yr£782/yr▼ £37
Hot water£219/yr£184/yr▲ £35
Lighting£97/yr£95/yr▲ £2
Total£1,061/yr£1,061/yr —

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

House
2,10550.0%
Flat
1,68340.0%
Bungalow
3297.8%
Maisonette
942.2%

Main heating fuel

Mains gas
3,09474.1%
Electric
1,06125.4%
Other
150.4%
LPG
40.1%
Oil
30.1%

Carbon emissions and improvement potential

3 t

current annual CO₂ estimate

1.6 t

potential annual estimate

85 m²

average floor area

When the represented homes were built

Pre-1900
4%
1900–1929
5%
1930–1949
11%
1950–1966
19%
1967–1975
19%
1976–1982
6%
1983–1990
6%
1991–1995
3%
1996–2002
2%
2003–2006
5%
2007–2011
3%
2012+
18%

Average EPC score over time

Average EPC efficiency score by year2020: 67, 2021: 66, 2022: 68, 2023: 68, 2024: 68, 2025: 767975716763202020212022202320242025Efficiency score
2020
67
2021
66
2022
68
2023
68
2024
68
2025
76

What to do next

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