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Postcode district energy-performance profile

TA4 EPC ratings and energy costs

Understand how homes in TA4 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

54.2%

of analysed certificates

Potential uplift

+18

average score points

Properties represented

4K

from 4K certificates

At a glance

What the data says about TA4

54.2%

rated A–C

21.1%

rated E–G

£1,308

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 TA4

A92+
2.2%
B81–91
26.4%
C69–80
25.7%
D55–68
67
24.7%
E39–54
12.8%
F21–38
6.0%
G1–20
2.3%

EPC band distribution in TA4

A
802.2%
B
26.4%
968
C
25.7%
943
D
24.7%
906
E
12.8%
471
F
2206.0%
G
832.3%

Certificate-estimated energy costs

Cost TypeTA4National AvgDifference
Heating£996/yr£782/yr▲ £214
Hot water£199/yr£184/yr▲ £15
Lighting£112/yr£95/yr▲ £17
Total£1,308/yr£1,061/yr▲ £247

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
2,85877.9%
Bungalow
52114.2%
Flat
2496.8%
Maisonette
421.1%
Park home
10.0%

Main heating fuel

Mains gas
2,46867.4%
Oil
54815.0%
Electric
48713.3%
Other
842.3%
LPG
762.1%

Carbon emissions and improvement potential

4.2 t

current annual CO₂ estimate

1.9 t

potential annual estimate

111 m²

average floor area

When the represented homes were built

Pre-1900
21%
1900–1929
3%
1930–1949
5%
1950–1966
9%
1967–1975
7%
1976–1982
5%
1983–1990
4%
1991–1995
3%
1996–2002
7%
2003–2006
6%
2007–2011
3%
2012+
27%

Average EPC score over time

Average EPC efficiency score by year2020: 58, 2021: 61, 2022: 71, 2023: 69, 2024: 67, 2025: 707469656055202020212022202320242025Efficiency score
2020
58
2021
61
2022
71
2023
69
2024
67
2025
70

What to do next

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