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Postcode district energy-performance profile

IP11 EPC ratings and energy costs

Understand how homes in IP11 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

56.7%

of analysed certificates

Potential uplift

+15

average score points

Properties represented

5K

from 5K certificates

At a glance

What the data says about IP11

56.7%

rated A–C

9.5%

rated E–G

£1,114

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 IP11

A92+
1.1%
B81–91
17.6%
C69–80
69
38.0%
D55–68
33.8%
E39–54
7.5%
F21–38
1.5%
G1–20
0.5%

EPC band distribution in IP11

A
581.1%
B
17.6%
965
C
38.0%
2,077
D
33.8%
1,849
E
4117.5%
F
831.5%
G
270.5%

Certificate-estimated energy costs

Cost TypeIP11National AvgDifference
Heating£821/yr£782/yr▲ £39
Hot water£190/yr£184/yr▲ £6
Lighting£103/yr£95/yr▲ £8
Total£1,114/yr£1,061/yr▲ £53

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
3,35761.4%
Flat
1,21222.2%
Bungalow
81114.8%
Maisonette
901.6%

Main heating fuel

Mains gas
4,70386.0%
Electric
70212.8%
Oil
340.6%
Other
230.4%
LPG
80.1%

Carbon emissions and improvement potential

3.3 t

current annual CO₂ estimate

1.6 t

potential annual estimate

85 m²

average floor area

When the represented homes were built

Pre-1900
5%
1900–1929
15%
1930–1949
9%
1950–1966
9%
1967–1975
13%
1976–1982
9%
1983–1990
13%
1991–1995
4%
1996–2002
3%
2003–2006
1%
2007–2011
1%
2012+
17%

Average EPC score over time

Average EPC efficiency score by year2020: 67, 2021: 65, 2022: 69, 2023: 70, 2024: 69, 2025: 717471686562202020212022202320242025Efficiency score
2020
67
2021
65
2022
69
2023
70
2024
69
2025
71

What to do next

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