Skip to content

LL41 postcode district

LL41, in the LL (Llandudno) postcode area, has 376 live and 40 terminated postcodes in the ONS Postcode Directory of August 2026, and OS Open Names files 88 roads under it.

postcode areaLL (Llandudno)
live postcodes376
terminated postcodes40
sectors3
roads listed88
companies registered194
centroid52.96925, -3.93920
directory release2026-08

Postcodes and sectors

376 of the district's 416 postcodes are live in the ONS Postcode Directory of August 2026. A postcode directory says whether a code is in use, never who is there. The live postcodes centre on 52.96925, -3.93920, which locates the district, not a building.

sector live terminated
LL41 320421
LL41 417111
LL41 918

Companies registered in LL41

Companies House lists 194 companies with a registered office in LL41; 39 of them at addresses shared by 25 or more companies (1 October 2026 snapshot). 25 is the count at which the address lookup reports a company cluster.

Places OS Open Names lists for LL41

  • Gwynedd
  • Wales
  • Blaenau Ffestiniog
  • Tanygrisiau
  • Trawsfynydd
  • Llan Ffestiniog
  • Gellilydan
  • Maentwrog
  • Bronaber
  • Tal-y-waenydd
  • Tan-y-bwlch

Roads filed under LL41

Named roads first, then numbered ones. A road is filed under one district even where it runs through several, so a street missing here may be listed under a neighbouring district — which is why the address lookup never calls a British street absent. Great Britain has no open register of buildings, so a listed road never means a building on it exists.

  • Allt Goch
  • Back Dinas Road
  • Baltic Road
  • Baron Road
  • Belle View
  • Benar Road
  • Blaenau Road
  • Bodafon
  • Bowydd Road
  • Bowydd Street
  • Bron Gelli
  • Bro Prysor
  • Bryn Coed
  • Bull Street
  • Cae Madoc
  • Cae Swch
  • Cefn Gwyn
  • Chapel Street
  • Church Street
  • Coed-y-Llwyn
  • Coed Camlyn
  • Cromwell Street
  • Cwmbowydd Road
  • Cwmorthin Road
  • Dinas Road
  • Dolgarregddu
  • Dorvil Road
  • Dorvil Street
  • Ffordd Benar
  • Ffordd Blaenau
  • Ffordd Cwmbowydd
  • Ffordd Dorvil
  • Ffordd Heulog
  • Ffordd Tywyn
  • Fron Fawr
  • Fronwynion Street
  • Glanypwll Road
  • Glan yr Afon Terrace
  • Glynllifon Street
  • Gors Fach
  • Hafan Deg
  • Heol Dorfil
  • Heol Rhydychen
  • Heol yr Orsaf
  • High Street
  • Hospital Road
  • Jones Street
  • Leeds Street
  • Lle'r Farchnad
  • Llwyn-y-Gell Road
  • Lord Street
  • Maengwyn Street
  • Maenofferen Street
  • Maes Gwyndy'en
  • Maes y Coed
  • Maes y Plas
  • Manod Road
  • Market Place
  • Moel Gwyl
  • Newborough Street
all 88 roads
  • New Road
  • New Street
  • North Western Road
  • Oakeley Square
  • Oxford Street
  • Park Square
  • Pencefn Road
  • Penybryn
  • Pen y Gareg Street
  • Penygwndwn
  • South Street
  • Station Road
  • Stryd Ardudwy
  • Stryd Tyllwyd
  • Sun Street
  • Tai'r Gelli
  • The Square
  • Towyn Road
  • Trem Hyfryd
  • Tyddyn Gwyn
  • Tynymaes
  • Wynne Avenue
  • Wynne Road
  • Y Glynnor
  • Y Sgwar
  • Ystryd Faen
  • A470
  • A496

Check an address in LL41

Check an address in LL41

The same road list through the API, from the outward code alone:

curl "https://spaw.co/api/v1/address/streets?country=GB&postal_code=LL41" \
  -H "Authorization: Bearer $SPAW_KEY"

Common questions about LL41

What does an LL41 postcode tell you?
That the address lies in the LL41 district of the LL (Llandudno) postcode area, and the place OS Open Names most often lists first for its postcodes is Blaenau Ffestiniog. The district alone does not place a street: the inward half of the full postcode narrows the address to one of the district's 376 live postcodes.

Where the counts come from

  • ons-postcode-directory · version 2026-08 · Contains ONS, OS and Royal Mail data © Crown copyright and database right 2026, Open Government Licence v3.0. Northern Ireland postcodes are excluded: their reuse needs a Land & Property Services licence.
  • os-open-names · version 2026-11-01 · Contains OS data © Crown copyright and database right 2026, Open Government Licence v3.0.
  • uk-companies-house · version 2026-10-01 · Companies House free company data product, Open Government Licence v3.0

What each figure means, and what a district page never says, is set out in Reading a British postcode district page; the glossary defines a postcode district, a postcode area, a postcode directory and a street register.

Data synced on 2026-11-01: the newest version among the datasets listed above.

Districts nearest LL41

distance between the districts' centroids

Wrong result, or is it about you? If this tool said something you think is wrong, tell us and a person reads it. If Spaw is holding data about you and you never signed up here — a customer may have had your address verified, or reported that a message to it bounced — erase it yourself, confirmed by mail to that address and with no account needed.

More free tools

All free tools

Need this at scale?

The Spaw API runs the same check with batch and bulk endpoints, monitored address lists, your own suppression list and outcome reporting — 100 free credits a month, no card required.

Get your API key