Ruthin · LL23

Gas safety certificate in LL23 (Bala)? We'll point you the right way.

Covering Bala, Llandderfel, Llanfor, Llanuwchllyn, Sarnau, including Y Bala. Find Gas Safe registered engineers nearby.

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Request a gas safety certificate in LL23 (Bala)

No gas safety engineer listed for LL23 (Bala) yet. Tell us what you need and we'll find you a registered gas safety engineer, free.

Request a gas safety certificate in LL23 (Bala)

How to check a gas safety engineer is registered: see the Ruthin page.

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LL23 (Bala) in a nutshell

LL23 covers Bala, Llandderfel, Llanfor, Llanuwchllyn, Sarnau, in Gwynedd. Give your full postcode when you ask for quotes, so the pro can confirm they cover your street.

Local tips for LL23

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Gwynedd council area

LL23 is in Gwynedd'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

LL23 stretches across Llandderfel, Llanuwchllyn, Y Bala, so give your full postcode, not just 'LL23', when you ask for quotes.

Where's this from?postcodes.io (ONSPD) wards
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New to gas safety certificates? 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

  • Every year: a gas safety check by a Gas Safe registered engineer.
  • CO alarm: needed where there's a gas, oil or solid fuel appliance.
  • Register: with Rent Smart Wales.

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

Next door to LL23

LL21 · CorwenLL24 · Betws-y-CoedSY19 · LlanbrynmairLL22 · AbergeleLL41 · Blaenau FfestiniogLL26 · Llanrwst

← Gas safety (CP12) across Ruthin · all areas

Frequently asked questions

Which areas does LL23 cover?

LL23 (Bala, Llandderfel, Llanfor, Llanuwchllyn, Sarnau) includes the wards of Llandderfel, Llanuwchllyn, Y Bala (ONS Postcode Directory via postcodes.io).

Which postcode districts are next to LL23?

Neighbouring districts include LL21 (Corwen), LL24 (Betws-y-Coed), SY19 (Llanbrynmair), LL22 (Abergele), LL41 (Blaenau Ffestiniog) (ONS Postcode Directory via Doogal). A pro covering LL23 may well cover these too, so it's worth asking.

How many homes are in LL23?

About 1,846 households and 4,136 residents at the 2011 Census, across 199 active postcodes (Doogal / ONS Postcode Directory).

Which council area is LL23 in?

LL23 sits in Gwynedd (postcodes.io). Parliamentary constituency: Dwyfor Meirionnydd.

📊 The numbers behind this page
Postcode district
LL23 1
Areas covered
Bala, Llandderfel, Llanfor, Llanuwchllyn, Sarnau 2
Active postcodes
199 3
Households (2011 Census, via Doogal)
1,846 2
Population (2011 Census, via Doogal)
4,136 2
Electoral wards
Llandderfel, Llanuwchllyn, Y Bala 4
Parliamentary constituencies
Dwyfor Meirionnydd 4
Local authority
Gwynedd 4
Households heated by mains gas only (Gwynedd council area)
46.3% 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.