Holyhead · LL65

Plumbing compliance check in LL65 (Holyhead)? We'll point you the right way.

Covering Holyhead, Trearddur Bay, Four Mile Bridge, Rhoscolyn, Bodedern, Bryngwran, Caergeiliog, Llanynghenedl, Trefor, Valley, Gwalchmai, Llanddeusant, Llanfachraeth, Llanfaethlu, Llanfairynghornwy, Llanrhyddlad, Rhydwyn, including Bro'r Llynnoedd, Canolbarth Môn, Crigyll. Find plumbers nearby.

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Request a plumbing compliance check in LL65 (Holyhead)

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Request a plumbing compliance check in LL65 (Holyhead)

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LL65 (Holyhead) in a nutshell

LL65 covers Holyhead, Trearddur Bay, Four Mile Bridge, Rhoscolyn, Bodedern, Bryngwran, Caergeiliog, Llanynghenedl, Trefor, Valley, Gwalchmai, Llanddeusant, Llanfachraeth, Llanfaethlu, Llanfairynghornwy, Llanrhyddlad, Rhydwyn, in Isle of Anglesey. Give your full postcode when you ask for quotes, so the pro can confirm they cover your street.

Local tips for LL65

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Isle of Anglesey council area

LL65 is in Isle of Anglesey's area. Some councils run their own landlord licensing, so it's worth checking theirs.

Where's this from?postcodes.io (ONSPD) local authority
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Give your full postcode

LL65 stretches across Bro'r Llynnoedd, Canolbarth Môn, Crigyll and more, so give your full postcode, not just 'LL65', when you ask for quotes.

Where's this from?postcodes.io (ONSPD) wards
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Older terraces, older pipes

Holyhead has lots of terraced homes. In older ones, ask the plumber to look at shared supply pipes and any old tanks in the loft.

Where's this from?ONS Census 2021, Holyhead: 43.6% terraced
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New to plumbing compliance checks? Here's what to expect, how to get ready and what it costs, in plain English. Read the quick guide →

Wales landlord rules: quick version

  • Fit to live in: keep water, drainage and heating in repair.
  • Legionella: assess the risk.

More detail on the Holyhead page. Always double-check on GOV.WALES.

Next door to LL65

LL64 · RhosneigrLL63 · Ty CroesLL67 · Cemaes BayLL71 · LlanerchymeddLL66 · RhosgochLL62 · Bodorgan

← Plumbing & water compliance across Holyhead · all areas

Frequently asked questions

Which areas does LL65 cover?

LL65 (Holyhead, Trearddur Bay, Four Mile Bridge, Rhoscolyn, Bodedern, Bryngwran, Caergeiliog, Llanynghenedl, Trefor, Valley, Gwalchmai, Llanddeusant, Llanfachraeth, Llanfaethlu, Llanfairynghornwy, Llanrhyddlad, Rhydwyn) includes the wards of Bro'r Llynnoedd, Canolbarth Môn, Crigyll, Parc a'r Mynydd, Talybolion, Tref Cybi, Ynys Gybi (ONS Postcode Directory via postcodes.io).

Which postcode districts are next to LL65?

Neighbouring districts include LL64 (Rhosneigr), LL63 (Ty Croes), LL67 (Cemaes Bay), LL71 (Llanerchymedd), LL66 (Rhosgoch) (ONS Postcode Directory via Doogal). A pro covering LL65 may well cover these too, so it's worth asking.

How many homes are in LL65?

About 10,248 households and 23,565 residents at the 2011 Census, across 923 active postcodes (Doogal / ONS Postcode Directory).

Which council area is LL65 in?

LL65 sits in Isle of Anglesey (postcodes.io). Parliamentary constituency: Ynys Môn.

📊 The numbers behind this page
Postcode district
LL65 1
Areas covered
Holyhead, Trearddur Bay, Four Mile Bridge, Rhoscolyn, Bodedern, Bryngwran, Caergeiliog, Llanynghenedl, Trefor, Valley, Gwalchmai, Llanddeusant, Llanfachraeth, Llanfaethlu, Llanfairynghornwy, Llanrhyddlad, Rhydwyn 2
Active postcodes
923 3
Households (2011 Census, via Doogal)
10,248 2
Population (2011 Census, via Doogal)
23,565 2
Electoral wards
Bro'r Llynnoedd, Canolbarth Môn, Crigyll, Parc a'r Mynydd, Talybolion, Tref Cybi, Ynys Gybi 4
Parliamentary constituencies
Ynys Môn 4
Local authority
Isle of Anglesey 4
Households in converted/shared houses (Holyhead built-up area)
1.6% 5
  1. ONS Postcode Directory
  2. Doogal
  3. Doogal / ONSPD
  4. postcodes.io
  5. ONS Census 2021

Made with open data. See where it all comes from. Updated 26 October 2026.