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Postcode district energy-performance profile

BN41 EPC ratings and energy costs

Understand how homes in BN41 score, what certificate-estimated energy costs look like and how much improvement the recorded recommendations suggest.

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Average EPC

D 68

0.5 points below analysed national average

Rated C or above

55.0%

of analysed certificates

Potential uplift

+14

average score points

Properties represented

3K

from 3K certificates

At a glance

What the data says about BN41

55.0%

rated A–C

8.0%

rated E–G

£968

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 BN41

A92+
1.1%
B81–91
10.1%
C69–80
43.8%
D55–68
68
36.9%
E39–54
6.7%
F21–38
0.9%
G1–20
0.4%

EPC band distribution in BN41

A
331.1%
B
10.1%
299
C
43.8%
1,302
D
36.9%
1,097
E
1996.7%
F
270.9%
G
130.4%

Certificate-estimated energy costs

Cost TypeBN41National AvgDifference
Heating£699/yr£782/yr▼ £83
Hot water£182/yr£184/yr▼ £2
Lighting£87/yr£95/yr▼ £8
Total£968/yr£1,061/yr▼ £93

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
1,67556.4%
Flat
89830.2%
Bungalow
32110.8%
Maisonette
752.5%
Park home
10.0%

Main heating fuel

Mains gas
2,54586.5%
Electric
38513.1%
Other
90.3%
LPG
10.0%
Oil
10.0%

Carbon emissions and improvement potential

2.9 t

current annual CO₂ estimate

1.4 t

potential annual estimate

75 m²

average floor area

When the represented homes were built

Pre-1900
5%
1900–1929
10%
1930–1949
19%
1950–1966
22%
1967–1975
11%
1976–1982
4%
1983–1990
4%
1991–1995
3%
1996–2002
2%
2003–2006
4%
2007–2011
1%
2012+
13%

Average EPC score over time

Average EPC efficiency score by year2020: 65, 2021: 70, 2022: 68, 2023: 71, 2024: 66, 2025: 697471686562202020212022202320242025Efficiency score
2020
65
2021
70
2022
68
2023
71
2024
66
2025
69

What to do next

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