Rhyl · LL18

Plumbing compliance check in LL18 (Rhyl)? We'll point you the right way.

Covering Rhyl, Bodelwyddan, Cwm Dyserth, Kinmel Bay, Dyserth, Gwaenysgor, Rhuddlan, Trelawnyd, including Llanasa and Trelawnyd, Rhyl East, Rhyl South. Find plumbers nearby.

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Request a plumbing compliance check in LL18 (Rhyl)

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Request a plumbing compliance check in LL18 (Rhyl)

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LL18 (Rhyl) in a nutshell

LL18 covers Rhyl, Bodelwyddan, Cwm Dyserth, Kinmel Bay, Dyserth, Gwaenysgor, Rhuddlan, Trelawnyd, in Conwy and Denbighshire and Flintshire. Give your full postcode when you ask for quotes, so the pro can confirm they cover your street.

Local tips for LL18

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Two councils in one district

LL18 is split between Conwy and Denbighshire and Flintshire. Some councils run their own landlord licensing, so check which one your home is in.

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

LL18 stretches across Bodelwyddan, Dyserth, Kinmel Bay and more, so give your full postcode, not just 'LL18', when you ask for quotes.

Where's this from?postcodes.io (ONSPD) wards
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Busy rental market: book early

Lots of people rent in Rhyl, so if you're letting, book a few weeks before a tenancy starts or renews. No last-minute panic.

Where's this from?ONS Census 2021, Rhyl: 25.8% private rented vs 17.0% Wales
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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 Rhyl page. Always double-check on GOV.WALES.

Next door to LL18

LL19 · PrestatynLL17 · St. AsaphLL22 · AbergeleLL16 · DenbighLL29 · Colwyn BayCH8 · Holywell

← Plumbing & water compliance across Rhyl · all areas

Frequently asked questions

Which areas does LL18 cover?

LL18 (Rhyl, Bodelwyddan, Cwm Dyserth, Kinmel Bay, Dyserth, Gwaenysgor, Rhuddlan, Trelawnyd) includes the wards of Bodelwyddan, Dyserth, Kinmel Bay, Llanasa and Trelawnyd, Rhuddlan, Rhyl East, Rhyl South, Rhyl South West, Rhyl Trellewelyn, Rhyl Tŷ Newydd, Rhyl West, Tremeirchion, Whitford (ONS Postcode Directory via postcodes.io).

Which postcode districts are next to LL18?

Neighbouring districts include LL19 (Prestatyn), LL17 (St. Asaph), LL22 (Abergele), LL16 (Denbigh), LL29 (Colwyn Bay) (ONS Postcode Directory via Doogal). A pro covering LL18 may well cover these too, so it's worth asking.

How many homes are in LL18?

About 17,600 households and 40,469 residents at the 2011 Census, across 1,223 active postcodes (Doogal / ONS Postcode Directory).

Which council area is LL18 in?

LL18 sits in Conwy, Denbighshire, Flintshire (postcodes.io). Parliamentary constituency: Clwyd East, Clwyd North.

📊 The numbers behind this page
Postcode district
LL18 1
Areas covered
Rhyl, Bodelwyddan, Cwm Dyserth, Kinmel Bay, Dyserth, Gwaenysgor, Rhuddlan, Trelawnyd 2
Active postcodes
1,223 3
Households (2011 Census, via Doogal)
17,600 2
Population (2011 Census, via Doogal)
40,469 2
Electoral wards
Bodelwyddan, Dyserth, Kinmel Bay, Llanasa and Trelawnyd, Rhuddlan, Rhyl East, Rhyl South, Rhyl South West … 4
Parliamentary constituencies
Clwyd East, Clwyd North 4
Local authority
Conwy, Denbighshire, Flintshire 4
Households in converted/shared houses (Rhyl built-up area)
4.7% 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.