What is the average EPC rating in Isle of Anglesey?

The analysed certificates in Isle of Anglesey have an average EPC rating of D, with an average efficiency score of 61 out of 100.

How many properties does the Isle of Anglesey analysis represent?

The 2020–2025 analysis contains 14,141 certificates linked to 13,315 distinct property references. A property may have more than one certificate.

Can EPCScore show the certificate for a specific home in Isle of Anglesey?

No. EPCScore publishes aggregated area statistics. Use the official GOV.UK Energy Performance of Buildings Register to find an individual certificate.

Local authority energy-performance profile

Isle of Anglesey EPC ratings and energy costs

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

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Average EPC

D 61

7.5 points below analysed national average

Rated C or above

38.0%

of analysed certificates

Potential uplift

+25

average score points

Properties represented

13K

from 14K certificates

At a glance

What the data says about Isle of Anglesey

38.0%

rated A–C

31.6%

rated E–G

£1,401

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.

Latest official local-authority table

Updated through 30 June 2026

41,257

domestic EPC lodgements since 2008

31.4%

rated C or above

36.7%

rated E, F or G

The current MHCLG live table counts certificate lodgements, not unique homes. It complements the more detailed 2020–2025 EPCScore analysis below.

Housing market context — May 2026

Average property price

£237,629

Annual change

+5.2%

Context

Official UK HPI local-authority average

detached£326,924

semi-detached£210,171

terraced£165,990

flat£141,461

UK HPI figures are provisional and can be revised. They describe the whole local housing market; EPCScore does not infer that EPC ratings caused local price levels or changes. View the official UK HPI ↗

Average EPC score in Isle of Anglesey

A92+

3.4%

B81–91

8.2%

C69–80

26.4%

D55–68

30.4%

E39–54

20.0%

F21–38

8.2%

G1–20

3.5%

EPC band distribution in Isle of Anglesey

4843.4%

8.2%

1,162

26.4%

3,729

30.4%

4,295

20.0%

2,825

8.2%

1,158

4883.5%

Certificate-estimated energy costs

Cost Type	Isle of Anglesey	National Avg	Difference
Heating	£1,067/yr	£782/yr	▲ £285
Hot water	£232/yr	£184/yr	▲ £48
Lighting	£102/yr	£95/yr	▲ £7
Total	£1,401/yr	£1,061/yr	▲ £340

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

8,51460.2%

Bungalow

3,84427.2%

Flat

1,68611.9%

Maisonette

910.6%

Park home

60.0%

Main heating fuel

Mains gas

6,34044.9%

Electric

3,30423.4%

Oil

2,57118.2%

LPG

1,54911.0%

Other

3612.6%

Carbon emissions and improvement potential

4.5 t

current annual CO₂ estimate

1.9 t

potential annual estimate

95 m²

average floor area

When the represented homes were built

Pre-1900

22%

1900–1929

1930–1949

1950–1966

19%

1967–1975

18%

1976–1982

1983–1990

1991–1995

1996–2002

2003–2006

2007–2011

2012+

Average EPC score over time

2020: 56
2021: 53
2022: 60
2023: 60
2024: 61
2025: 67

What to do next

Find one property's EPC ↗

Use the official register for an address-level certificate.

Plan sensible improvements →

Read recommendations in the right order before spending.

Compare another area →

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Check the methodology →

Understand coverage, dates and limitations.