Skip to content

LL12 postcode district

LL12, in the LL (Llandudno) postcode area, has 889 live and 114 terminated postcodes in the ONS Postcode Directory of August 2026, and OS Open Names files 626 roads under it.

postcode areaLL (Llandudno)
live postcodes889
terminated postcodes114
sectors4
roads listed626
companies registered1,461
centroid53.08791, -2.98898
directory release2026-08

Postcodes and sectors

889 of the district's 1,003 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 53.08791, -2.98898, which locates the district, not a building.

sector live terminated
LL12 024730
LL12 719817
LL12 824531
LL12 919936

Companies registered in LL12

Companies House lists 1,461 companies with a registered office in LL12; 120 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 LL12

  • Wales
  • Wrecsam
  • Wrexham
  • Sir y Fflint
  • Flintshire
  • Gresford
  • Llay
  • Caergwrle
  • Yr Hôb
  • Hope
  • Rossett
  • Cefn-y-bedd
  • Abermorddu
  • Sydallt
  • Lavister
  • Trevalyn
  • Darland
  • Pandy
  • Greenfields
  • Burton
  • Caer Estyn
  • Rackery
  • Gwern Estyn
  • Honkley

Roads filed under LL12

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.

  • Acacia Court
  • Acton Gardens
  • Acton Hall Walks
  • Acton Park Way
  • Adderley Bank
  • Aerial Road
  • Ainsdale Drove
  • Aldford Way
  • Allington Crescent
  • Allt y Ddol
  • Almere Gardens
  • Almond Way
  • Alundale Road
  • Alyn Crescent
  • Alyndale
  • Alyndale Road
  • Alyn Drive
  • Alyn Fields
  • Anglesey Close
  • Annefield Park
  • Aran Road
  • Arley Road
  • Ash Grove
  • Aston Grove
  • Avon Close
  • Avondale Crescent
  • Avondale Grove
  • Bannister Drive
  • Barker's Lane
  • Barnefelde Lane
  • Beech Avenue
  • Beech Hollows
  • Beechlands
  • Beech Lane
  • Beech Tree Avenue
  • Belgrave Court
  • Birch Court
  • Birch Drive
  • Blackthorn Close
  • Blue Bell Lane
  • Bodhyfryd
  • Bodwyn Crescent
  • Bodwyn Park
  • Borras Park Road
  • Borras Road
  • Box Lane
  • Bramble Close
  • Brandon Grove
  • Brecon Close
  • Bridgewater Mews
  • Broad Lane
  • Broadoaks
  • Bromfield Avenue
  • Bromfield Grove
  • Bron-yr-Efail
  • Bronallt
  • Bron Alyn
  • Bryn-y-Groes
  • Bryn-Yorkin Road
  • Bryn Derw
all 626 roads
  • Bryn Gryffydd
  • Bryn Place
  • Bryn Yorkin
  • Buddugfa
  • Burton Drive
  • Burton Hall Road
  • Burton Rise
  • Burton Road
  • Byways
  • Caderian Isaf
  • Cae-Pen-Ty Road
  • Caeau Garston
  • Caeau Markham
  • Caer Estyn
  • Caernarvon Road
  • Camberley Crescent
  • Camberley Drive
  • Campbell Close
  • Cardigan Road
  • Carlton Meadows
  • Carthagena Lane
  • Castle Grange
  • Castle Street
  • Cavendish Close
  • Cavendish Square
  • Cedar Close
  • Celyn Drive
  • Central Avenue
  • Chapel Fields
  • Chapel Lane
  • Chatsworth Gardens
  • Cherry Hill Drive
  • Chester Road
  • Chestnut Avenue
  • Chestnut Close
  • Chetwyn Court
  • Christ Church Mews
  • Church Green
  • Chweched Rhodfa
  • Cilcen Grove
  • Cilgant Alun
  • Cilgant Bodwyn
  • Cilgant Derwennydd
  • Cilgant Neville
  • Cilgant y Reithin
  • Cilgnant Avondale
  • Clappers Lane
  • Clarke Road
  • Claypit Lane
  • Clos Dinbych
  • Clos Lawson
  • Clos Lowri
  • Clos Mon
  • Clos Owain
  • Clos San Steffan
  • Clos y Criafol
  • Clos y Meryw
  • Clos y Mwyar
  • Clos y Plasty
  • Cobblers Lane
  • Colliers Gardens
  • Conway Close
  • Cornel yr Heliwr
  • Cottage Close
  • Council Street
  • Cowrt Bridgewater
  • Cox Lane
  • Craigmillar Road
  • Craig Way
  • Croeshowell Hill
  • Croeshowell Lane
  • Cromar Crescent
  • Crossways
  • Crown Place
  • Cwm Eithin
  • Cwrt Eglwys Crist
  • Cymau Road
  • Daisy Lane
  • Daleside Avenue
  • Dark Lane
  • Darland Close
  • Darland Lane
  • Davy Way
  • Dee Avenue
  • Denbigh Close
  • Denning Road
  • Derby Road
  • Derwent Close
  • Derwent Crescent
  • Dingle Place
  • Dolydd Carlton
  • Drill Hall Court
  • Dunnico Gardens
  • Eaton Close
  • Edinburgh Avenue
  • Edwin Gardens
  • Eighth Avenue
  • Elder Close
  • Eleventh Avenue
  • Ellis Drive
  • Elmanoak Grove
  • Elm Grove
  • Elm Grove Way
  • Elm Walk
  • Erw Las
  • Estyn Close
  • Fagl Lane
  • Fairoaks Crescent
  • Farmside
  • Farriers Walk
  • Fellows Lane
  • Ffordd Alafon
  • Ffordd Aled
  • Ffordd Almer
  • Ffordd Alun
  • Ffordd Arley
  • Fford Davy
  • Ffordd Borras
  • Ffordd Caer
  • Ffordd Ceredigion
  • Ffordd Clarke
  • Ffordd Cynan
  • Ffordd Denning
  • Ffordd Dyfed
  • Ffordd Dylan
  • Ffordd Edgeworth
  • Ffordd Elan
  • Ffordd Elfed
  • Ffordd Elwy
  • Ffordd Euron
  • Ffordd Garmonydd
  • Ffordd Gladwyn
  • Ffordd Gresffordd
  • Ffordd Gryffydd
  • Ffordd Gwenllian
  • Ffordd Gwilym
  • Ffordd Hooson
  • Ffordd Horsley
  • Ffordd Iorwerth
  • Ffordd Jarvis
  • Ffordd Jeffreys
  • Ffordd Kendall
  • Ffordd Lawson
  • Ffordd Lerry
  • Ffordd Llywelyn
  • Ffordd Mabon
  • Ffordd Maddock
  • Ffordd Madoc
  • Ffordd Maelor
  • Ffordd Morgan
  • Ffordd Morgan Llwyd
  • Ffordd Myrddin
  • Ffordd Nant-y-Gaer
  • Ffordd Newbrigg
  • Ffordd Newydd Llai
  • Ffordd Norfolk
  • Ffordd Owain
  • Ffordd Parc Borras
  • Ffordd Pedrog
  • Ffordd Penfro
  • Ffordd Richmond
  • Ffordd Tegid
  • Ffordd Tegla
  • Ffordd Trefin
  • Ffordd Trefynwy
  • Ffordd Tudno
  • Ffordd Westbury
  • Ffordd Windermere
  • Ffordd y Ffwrnais
  • Ffordd y Goedwig
  • Ffordd y Llwyfen
  • Ffordd y Rhosod
  • Fford Helygen Mair
  • Fford Holt
  • Fford y Glowyr
  • Ffrwd Road
  • Fifth Avenue
  • Firgrove Corner
  • First Avenue
  • Forest Road
  • Fourth Avenue
  • Foxwood Rise
  • Frances Avenue
  • Friars Close
  • Furnace Road
  • Gainsborough Road
  • Gamford Lane
  • Gardner Court
  • Garston Fields
  • Gateway
  • Gegin Lane
  • Gelli'r Eurwen
  • Gelli'r Gollen Ffrengig
  • Gelli'r Llwyfen
  • Gelli'r Pinwydd
  • Gelli Derllwy
  • Gerddi Almere
  • Gerddi Chatsworth
  • Gerddi Coliar
  • Gerddi Dunnico
  • Gerddi Edwin
  • Gerddi Lindley
  • Gerddi Oldham
  • Gladwyn Road
  • Glan-y-Wiber
  • Glan Aber
  • Glan Garth
  • Glan y Llyn Gardens
  • Glen Avon
  • Glyn Avenue
  • Glyndwr Road
  • Gorse Crescent
  • Grange Close
  • Grasmere Way
  • Greenway View
  • Gresford Road
  • Gresford Way
  • Greyfriars
  • Greythorne Close
  • Grosvenor Crescent
  • Grove Park Road
  • Gun Street
  • Gwalia
  • Gwern Lane
  • Halle Court
  • Harwood's Lane
  • Harwoods Close
  • Hawarden Road
  • Hawthorne Way
  • Hawthorn Road
  • Hayfield Drive
  • Hazel Grove
  • Heol Dafydd
  • Heol Dinas
  • Heol Llanddewi
  • Heol Llanteg
  • Heol Llawhaden
  • Heol Penally
  • Herbert Jennings Avenue
  • Heulwen Close
  • Hickleton Grove
  • Higher Lane
  • High Street
  • Hillock Lane
  • Hilltop Drive
  • Hilltop View Road
  • Holly Court
  • Hollyfield
  • Holly Walks
  • Holt Road
  • Hope Hall Drive
  • Hope Street
  • Horsley Drive
  • Hoseley Lane
  • Hudsons Hill
  • Hunters Way
  • Huntsman Corner
  • Huxleys Lane
  • Jarvis Way
  • Jeffreys Close
  • Jeffreys Road
  • Juniper Close
  • Kathen Court
  • Kendall Way
  • Kensington Grove
  • Kerry Place
  • Kiln Lane
  • Kingstown
  • Kingsway
  • Kinnerton Road
  • Laburnum Court
  • Laburnum Way
  • Lakeside Close
  • Lake View
  • Larchwood Road
  • Larksfield Close
  • Laurel Close
  • Lavister Walks
  • Lawson Close
  • Lawson Road
  • Lime Avenue
  • Linden Grove
  • Lindley Gardens
  • Little Acton Drive
  • Llay Court
  • Llay Hall Avenue
  • Llay New Road
  • Llay Place Avenue
  • Llay Road
  • Llwyn Alun
  • Llwyn Aston
  • Llwyn Celli
  • Llwyn Eglwys
  • Llwyn Kensington
  • Llyndir Lane
  • Llys Acasia
  • Llys Celyn
  • Llys Clark
  • Llys Cromlech
  • Llys Gardner
  • Llys Halle
  • Llys Owain
  • Llys Parker
  • Llys Unwin
  • Lon-y-Gegin
  • Lon-y-Gelli
  • Lon Bryn Ceirios
  • Lon Cox
  • Lon Dyrpeg
  • Lon Dywyll
  • Lon Pentre
  • Lon Pippin
  • Lon Pont y Capel
  • Lon Springfield
  • Lon Uchaf
  • Lon y Capel
  • Lon y Cryddion
  • Lower Minster
  • Lyndale Grove
  • Lôn Barcas
  • Lôn Rhosnesni
  • Lôn y Bwth
  • Lôn yr Efail
  • Maes-yr-Haf
  • Maes Cibyn
  • Maes Cilcain
  • Maes Glyndwr
  • Maes Llay
  • Maesydre Road
  • Manor Close
  • Manor Lane
  • Maple Avenue
  • Maple Close
  • Mareilian Avenue
  • Marford Heights
  • Marford Hill
  • Markham Fields
  • Marsh Crescent
  • Maxwell Close
  • Mayfield Court
  • Mayflower Drive
  • Mayville Avenue
  • Meadow Crescent
  • Meadow Lane
  • Meadow Rise
  • Meadows View
  • Merlin Road
  • Middle Lane
  • Mill Brook Close
  • Miners Park
  • Miners Road
  • Min y Fferm
  • Mold Road
  • Monmouth Road
  • Moss Green
  • Mottram Gardens
  • Mountain Close
  • Mountain View
  • Muniau Cerrig
  • Myrtle Road
  • Nant-y-Gaer Road
  • Narrow Lane
  • Nayland Avenue
  • Neville Crescent
  • Newbrigg Road
  • New House Avenue
  • Newton
  • Ninth Avenue
  • Norfolk Road
  • Northwood
  • Oak Alyn Court
  • Oak Drive
  • Oakland Court
  • Oak Tree Avenue
  • Oldham Gardens
  • Old Meadow Court
  • Old School Court
  • Old Wrexham Road
  • Orchard Court
  • Orchard View
  • Oswald Way
  • Overton Way
  • Pant Lane
  • Pant Olwen
  • Parc Bodwyn
  • Parc Glowyr
  • Park Avenue
  • Park Court
  • Parker Court
  • Parkfield
  • Park Lane
  • Parkleigh Court
  • Parsonage Close
  • Pembroke Road
  • Penderyn Way
  • Pentre Lane
  • Pentre Street
  • Penybryn
  • Penymaes Avenue
  • Petit Close
  • Philips Close
  • Pigeon House Lane
  • Pikey Lane
  • Pine Grove
  • Pinfold Lane
  • Pippin Lane
  • Pistyll Hill
  • Plas-y-Bwl
  • Plas Acton Close
  • Plas Gwyn
  • Plas Maen Drive
  • Plas y Castell
  • Pont-y-Capel Lane
  • Poplar Avenue
  • Poplar Drive
  • Poplar Row
  • Porch Lane
  • Powell Road
  • Prestwich Gardens
  • Pughs Yard
  • Pumed Rhodfa
  • Quarry Brow
  • Queensway
  • Rackery Lane
  • Raynham Avenue
  • Redland Close
  • Rhes y Poplys
  • Rhodfa'r Castan
  • Rhodfa'r Dderwen
  • Rhodfa'r Garn
  • Rhodfa'r Llwfen
  • Rhodfa'r Parc
  • Rhodfa'r Poplys
  • Rhodfa'r Sycamowydden
  • Rhodfa Blodynmai
  • Rhodfa Burton
  • Rhodfa Ddeg
  • Rhodfa Frances
  • Rhodfa Gyntaf
  • Rhodfa Hawthorne
  • Rhodfa Herbert Jennings
  • Rhodfa Mayville
  • Rhodfa Oswald
  • Rhodfa Pen y Dref
  • Rhodfa Plas Acton
  • Rhodfa Plas Llai
  • Rhodfa San Steffan
  • Rhodfa Tapley
  • Rhodfa Ty Newydd
  • Rhos Estyn Lane
  • Rhosnesni Lane
  • Rhyddyn Hill
  • Richmond Road
  • Ridgeway Avenue
  • Roberts Croft
  • Rock Lane
  • Rodens Close
  • Roselands Court
  • Rosemary Gardens
  • Rosemary Lane
  • Roseway
  • Rossett Fields
  • Rossett Park
  • Rossett Road
  • Rossett Way
  • Rowan Close
  • Royal Gardens
  • Russell Grove
  • Sandrock Road
  • Sandy Lane
  • Sarn Lane
  • School Hill
  • School Road
  • Second Avenue
  • Seventh Avenue
  • Sgwâr Cavendish
  • Shone's Lane
  • Shordley Close
  • Shordley Road
  • Silverbirch Drive
  • Sixth Avenue
  • Smithy Close
  • Smithy Lane
  • Springfield Court
  • Springfield Lane
  • Stancliffe Avenue
  • Station Road
  • St Cynfarch's Avenue
  • St Davids Crescent
  • St Margaret Way
  • St Martins Mews
  • Stonewalls
  • Straight Mile
  • Stratford Close
  • Stringer's Lane
  • Stryd y Cyngor
  • Stryt Isa
  • Sunhill Drive
  • Sunnyridge Avenue
  • Sycamore Drive
  • Tan-yr-Allt
  • Tapley Avenue
  • Tenth Avenue
  • The Beeches
  • The Conifers
  • The Copse
  • The Green
  • The Hawthorns
  • The Laurels
  • The Limes
  • The Nurseries
  • The Old Carriage Yard
  • The Pines
  • The Smithy
  • The Spinney
  • The Willows
  • Third Avenue
  • Thornleigh Drive
  • Townsend Avenue
  • Trem Pen y Bryn
  • Trem y Llyn
  • Trevalyn Hall View
  • Trevalyn Manor
  • Trevalyn Way
  • Treweryn Close
  • Tudor Court
  • Turnpike Lane
  • Ty Cerrig Drive
  • Unwin Court
  • Vale View
  • Vicarage Lane
  • Victory Place
  • Village Walks
  • Walnut Grove
  • Warrenwood Road
  • Watts Dyke
  • Waverley Crescent
  • West Bank Road
  • Westbury Drive
  • Westminster Close
  • Westminster Drive
  • West Way
  • Whitefriars
  • Whiteway Drive
  • Williams Way
  • Willow Avenue
  • Willow Drive
  • Winchester Way
  • Windermere Road
  • Windsor Avenue
  • Woodlands Road
  • Woodridge Avenue
  • Wrexham Road
  • Wychwood Close
  • Wyndham Drive
  • Wynnstay Lane
  • Yale Grove
  • Y Dderwen Deg
  • Y Ddraenen Wen
  • Yew Tree Court
  • Y Fedwen
  • Y Gerddi
  • Y Pinwydd
  • B5102
  • B5373
  • B5445

Check an address in LL12

Check an address in LL12

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

curl "https://spaw.co/api/v1/address/streets?country=GB&postal_code=LL12" \
  -H "Authorization: Bearer $SPAW_KEY"

Common questions about LL12

What does an LL12 postcode tell you?
That the address lies in the LL12 district of the LL (Llandudno) postcode area, and the place OS Open Names most often lists first for its postcodes is Wrexham. The district alone does not place a street: the inward half of the full postcode narrows the address to one of the district's 889 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 LL12

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