Llangefni · LL77

Gas safety certificate in LL77 (Bodffordd)? We'll point you the right way.

Covering Bodffordd, Rhostrehwfa, Talwrn, Llangefni, including Aethwy, Canolbarth Môn, Cefni. Find Gas Safe registered engineers nearby.

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Request a gas safety certificate in LL77 (Bodffordd)

No gas safety engineer listed for LL77 (Bodffordd) yet. Tell us what you need and we'll find you a registered gas safety engineer, free.

Request a gas safety certificate in LL77 (Bodffordd)

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

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LL77 (Bodffordd) in a nutshell

LL77 covers Bodffordd, Rhostrehwfa, Talwrn, Llangefni, 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 LL77

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Isle of Anglesey council area

LL77 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

LL77 stretches across Aethwy, Canolbarth Môn, Cefni and more, so give your full postcode, not just 'LL77', when you ask for quotes.

Where's this from?postcodes.io (ONSPD) wards
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Mostly mains gas round here

Most homes in Llangefni run on mains gas, so a standard boiler-and-hob check is what most people need.

Where's this from?ONS Census 2021, Llangefni: 80.6% mains gas only
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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 Llangefni page. Always double-check on GOV.WALES.

Next door to LL77

LL60 · GaerwenLL78 · BryntegLL76 · LlanbedrgochLL61 · LlanfairpwllgwyngyllLL75 · PentraethLL62 · Bodorgan

← Gas safety (CP12) across Llangefni · all areas

Frequently asked questions

Which areas does LL77 cover?

LL77 (Bodffordd, Rhostrehwfa, Talwrn, Llangefni) includes the wards of Aethwy, Canolbarth Môn, Cefni, Lligwy (ONS Postcode Directory via postcodes.io).

Which postcode districts are next to LL77?

Neighbouring districts include LL60 (Gaerwen), LL78 (Brynteg), LL76 (Llanbedrgoch), LL61 (Llanfairpwllgwyngyll), LL75 (Pentraeth) (ONS Postcode Directory via Doogal). A pro covering LL77 may well cover these too, so it's worth asking.

How many homes are in LL77?

About 3,022 households and 7,085 residents at the 2011 Census, across 253 active postcodes (Doogal / ONS Postcode Directory).

Which council area is LL77 in?

LL77 sits in Isle of Anglesey (postcodes.io). Parliamentary constituency: Ynys Môn.

📊 The numbers behind this page
Postcode district
LL77 1
Areas covered
Bodffordd, Rhostrehwfa, Talwrn, Llangefni 2
Active postcodes
253 3
Households (2011 Census, via Doogal)
3,022 2
Population (2011 Census, via Doogal)
7,085 2
Electoral wards
Aethwy, Canolbarth Môn, Cefni, Lligwy 4
Parliamentary constituencies
Ynys Môn 4
Local authority
Isle of Anglesey 4
Households heated by mains gas only (Llangefni built-up area)
80.6% 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.