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Postcode district energy-performance profile

TN1 EPC ratings and energy costs

Understand how homes in TN1 score, what certificate-estimated energy costs look like and how much improvement the recorded recommendations suggest.

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Average EPC

D 66

2.5 points below analysed national average

Rated C or above

47.9%

of analysed certificates

Potential uplift

+12

average score points

Properties represented

3K

from 3K certificates

At a glance

What the data says about TN1

47.9%

rated A–C

14.4%

rated E–G

£1,013

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 TN1

A92+
0.1%
B81–91
12.9%
C69–80
34.9%
D55–68
66
37.8%
E39–54
12.2%
F21–38
1.8%
G1–20
0.3%

EPC band distribution in TN1

A
40.1%
B
12.9%
420
C
34.9%
1,140
D
37.8%
1,235
E
12.2%
400
F
581.8%
G
110.3%

Certificate-estimated energy costs

Cost TypeTN1National AvgDifference
Heating£741/yr£782/yr▼ £41
Hot water£193/yr£184/yr▲ £9
Lighting£80/yr£95/yr▼ £15
Total£1,013/yr£1,061/yr▼ £48

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
2,20167.4%
House
89927.5%
Maisonette
1574.8%
Bungalow
110.3%

Main heating fuel

Mains gas
2,20167.7%
Electric
1,02731.6%
Other
210.6%
LPG
10.0%

Carbon emissions and improvement potential

3.1 t

current annual CO₂ estimate

1.8 t

potential annual estimate

72 m²

average floor area

When the represented homes were built

Pre-1900
37%
1900–1929
26%
1930–1949
2%
1950–1966
1%
1967–1975
2%
1976–1982
2%
1983–1990
2%
1991–1995
3%
1996–2002
4%
2003–2006
3%
2007–2011
4%
2012+
13%

Average EPC score over time

Average EPC efficiency score by year2020: 64, 2021: 69, 2022: 66, 2023: 66, 2024: 65, 2025: 677269676461202020212022202320242025Efficiency score
2020
64
2021
69
2022
66
2023
66
2024
65
2025
67

What to do next

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