Wales · Local authority

Isle of Anglesey County Council
Planning applications.

Explore collected planning applications and decisions for Isle of Anglesey County Council. Search an address, application reference or proposal to find a record.

Collected application statistics

Collected records · All available dates
5,165Searchable applications
242Recorded as pending
93%Approval rate · 3,639 approved or refused records
261Refused applications

3,378 approved · 261 refused · 253 withdrawn. Received dates in our records: 31 Mar 2009 to 2 Oct 2026. Most recent record check: 10 Oct 2026. Counts reflect the last collected status; some records may be out of date.

Local planning information

Council sources checked 14 Sept 2026

Conservation areas and Article 4 directions

Explore published planning boundaries and follow their source records for designation details. Coverage varies: an empty map does not mean there are no restrictions. Check the council’s current maps and documents before relying on a boundary.

Conservation areas12 mapped area records
Article 4 direction areasBoundary dataset not connected

Interactive planning map loads with JavaScript. Dataset sources are linked below.

Download Article 4 coverage for all authorities (CSV)

Data downloaded 14 Sept 2026. Display boundaries are simplified and indicative. Map record counts are not a complete count of designations or directions.

Source: Welsh Government / DataMapWales. Contains public sector information licensed under the Open Government Licence v3.0.

Explore application records

  1. ClosedFPL/2021/56

    Cais llawn ar gyfer estyniad i’r annedd, creu anecs, estyniad i’r cwrtil a dargyfeirio llwybr cyhoeddus yn / Full application for an extension to the dwelling, the creation of an annexe, an extension to the curtilage and a diversion of a public footpath at

    Cae Llechwen, Llangristiolus, Bodorgan

    Received 2 Mar 2021
  2. ClosedDIS/2021/23

    Cais i ryddhau amod (02)(Tirlunio) a (03) (Gwybodaeth o'r siales gwyliau) o ganiatâd cynllunio 46C11C/1:Cais i ddiddymu amod (05) 'Bydd y llety gwyliau a ganiateir trwy hyn yn cael ei gynnal yn un rhwydwaith ac ni chaiff ei werthu yn unedau ar wahân ar unrhyw adeg' ar ganiatâd cynllunio 46C11Y yn / Application to discharge condition (02)(Landscaping) and (03) (Details of Holiday Chalets) of planning permission 46C11C/1: Application for the removal of condition (05) 'The holiday accommodation hereby approved shall be maintained as one complex and shall at no time be sold as separate units' on planning permission 46C11Y at

    Anglesey Outdoors, Porthdafarch Road, Caergybi/Holyhead

    Received 4 Mar 2021
  3. ClosedFPL/2021/57

    Cais llawn i newid defnydd yr bar chwaraeon presennol i 6 uned gwyliau ynghyd a dymchwel, addasu ac ehangu yn / Full application for conversion of existing sports bar into 6 holiday units together with demolition, alterations and extensions at

    Treetops, Tynygongl

    Received 5 Mar 2021
  4. ClosedFPL/2021/60

    Cais llawn ar gyfer dymchwel y chwe strwythur presennol ynghyd â chodi dwy uned fasnachol i gael eu defnyddio fel tŷ mwg a warws ynghyd â’r gwaith cysylltiedig yn / Full application for the demolition of six existing structures together with the erection of two commercial units to be used as a smokehouse and warehouse along with associated works at

    Halen Mon / Anglesey Sea Salt, Ty Halen, Brynsiencyn

    Received 9 Mar 2021
  5. ClosedFPL/2021/61

    Cais llawn ar gyfer newid defnydd adeilad allanol i 2 uned gwyliau, newid defnydd modurdy dwbl ar wahan i anecs ynghyd a datbylgiadau cysylltiedig yn / Full application for the conversion of an outbuilding into 2 holiday units, conversion of a detached double garage into an annexe together with associated development at

    Tyddyn Dai, Pentrefelin, Amlwch

    Received 10 Mar 2021
  6. ClosedSCR/2021/18

    Barn sgrinio ar gyfer dymchwel y chwe strwythur presennol ynghyd â chodi dwy uned fasnachol i gael eu defnyddio fel tŷ mwg a warws ynghyd â’r gwaith cysylltiedig yn / Screening opinion for the demolition of six existing structures together with the erection of two commercial units to be used as a smokehouse and warehouse along with associated works at

    Halen Mon - Anglesey Sea Salt Company, Ty Halen, Brynsiencyn

    Received 9 Mar 2021
  7. ClosedFPL/2021/64

    Cais llawn ar gyfer dymchwel anedd presennol ac i adeiladu anedd newydd yn/ Full application for demolition of existing dweling and an erection of a new dwelling at

    St Winifreds, Post Office Lane, Rhosneigr

    Received 11 Mar 2021
  8. ClosedFPL/2021/68

    Cais llawn ar gyfer trosi yr adeilad allanol yn uned gwyliau ynghyd a trac mynedfa newydd a datblygiadau cysylltiedig yn / Full application for conversion of outbuilding into holiday unit together with new access track and associated development on land at

    Mynydd Gwyn, Cerrigman, Penysarn

    Received 18 Mar 2021
  9. ClosedLUP/2021/2

    Cais am dystysgrif defnydd arfaethedig neu datblygiad arfaethedig mewn perthynas â chychwyn materol ar ganiatâd cynllunio amlinellol o dan gyfeirnod 46C188G a'r gymeradwyaeth materion neilltuedig o dan gyfeirnod 46C188J DA a thrwy hynny ddiogelu'r caniatâd yn / Application for a certificate of proposed use or development in relation to a material start having been made on outline planning permission under reference 46C188G and the reserved matters approval under reference 46C188J/DA thus safeguarding the consent at

    68A Treaddur Road, Bae Treaddur Bay

    Received 18 Mar 2021
  10. ClosedHHP/2021/98

    Cais llawn ar gyfer addasu ac ehangu yr annedd yn ogystal a codi garej ar wahan yn / Full application for alterations and extensions to the dwelling and the erection of a detached garage at

    Lee House, Ffordd Maelog, Llanfaelog

    Received 22 Mar 2021
  11. ClosedFPL/2019/338

    Cais llawn ar gyfer tynnu rhan o'r morglawdd concrid presennol a chodi morglawdd newydd yn ei le ar y ffin yn / Full application for the part removal of the existing concrete sea defence wall and the erection of a replacement sea defence wall in its place on the boundary of

    Cerrig, Penmon

    Received 19 Dec 2019
  12. ClosedLUE/2020/13

    Cais am dystysgrif defnydd presennol o’r datblygiad oherwydd bod gwaith sylweddol wedi cychwyn ar ganiatad V904A ac V904B er mwyn diogelu’r caniatâd hwnnw ar dir yn / Application for a certificate of existing use or development in relation to a material start having been made on permission V904A and V904B thus safeguarding the consent on land at

    Garreg Fawr, Lon Garreg Fawr, Bae Treaddur / Treaddur Bay, Caergybi / Holyhead

    Received 12 Aug 2020
  13. ClosedFPL/2020/179

    Cais llawn am addasiadau i’r orsaf wasanaeth/blaengwrt/garej/siop bresennol, cadw ei ddefnydd fel gorsaf wasanaeth (defnydd dosbarth sui generis) a siop (defnydd dosbarth A1), adeiladu blaengwrt newydd ynghyd â chanopi blaengwrt a gosod tanc storio diesel uwchben y tir yn / Full application for alterations to the existing service station/forecourt/garage/shop, keep its use as a service station (use class sui generis) and shop (class use A1), erection of new forecourt with forecourt canopy together with installation of an above ground diesel storage tank at

    Gorsaf Wasanaeth Dyffryn Service Station, Ffordd Llundain/London Road, Fali/Valley

    Received 22 Sept 2020
  14. ClosedFPL/2020/275

    Cais llawn ar gyfer (1) trosi adeilad allanol i annedd sydd yn cynnwys addasu ac ehangu, ynghyd a (2) cais ol-weithredol ar gyfer codi modurdy gyda'r lloft seibiant a'r lloches dyfrdwll yn / Full application for (1) conversion of outbuilding into a dwelling with alterations and extension thereto, together with (2) retrospective application for the erection of a garage with respite loft and the water bore hole shelter at

    Melin Afon, Dulas

    Received 23 Sept 2020
  15. ClosedFPL/2020/182

    Cais llawn ar gyfer dymchwel yr annedd a’r garej presennol ynghyd â chodi annedd a garej newydd yn eu lle, gosod sustem trin carthffosiaeth a gwaith cysylltiedig yn / Full application for the demolition of the existing dwelling and garage together with the erection of a replacement dwelling and garage block, installation of new package treatment plant and associated works at

    Ynys Y Big, Ffordd Biwmares, Glyn Garth, Porthaethwy / Ynys Y Big, Beaumaris Road, Glyngarth, Menai Bridge

    Received 24 Sept 2020
  16. ClosedFPL/2020/188

    Cais llawn ar gyfer creu mynedfa newydd i cerbydau / Full application for the construction of a new vehicular access

    Gamfa Coed, Llandrygan, Llanerchymedd

    Received 24 Sept 2020
  17. ClosedHHP/2020/250

    Cais llawn ar gyfer codi anecs hunan-gynhaliol yn / Full application for the erection of a self contained annexe at

    7 Parc Llynnon, Llanfachraeth

    Received 29 Oct 2020
  18. ClosedFPL/2020/218

    Cais llawn ar gyfer adnewyddu Twr Marcwis gan gynnwys cyfleusterau ymwelwyr newydd, llwybr troed newydd, llwyfan gwylio a gwaith cysylltiedig yn/Full application for the renovation of the Marquess of Anglesey column including new visitor facilities, new walkway, viewing platform and associated development at

    Column Cottage, Lon Parc Twr, Llanfairpwllgwyngyll

    Received 30 Oct 2020
  19. ClosedFPL/2020/234

    Cais llawn i godi warws cynhyrchu bwyd, estyniad i’r adeilad presennol er mwyn creu ardal gyrchu, codi tanc Man Trin Carthion (ETP), tanc cydbwyso cysylltiedig a strwythurau (rhannol ôl-weithredol mewn perthynas â sylfeini), creu pyllau gwanhau, codi adeilad i gynnwys unedau DAF, addasu pwyntiau mynediad presennol ynghyd â newidiadau i’r parcio presennol, dad-fabwysiadu’r briffordd sydd eisoes wedi’i mabwysiadu gyda thirlunio a gwaith cysylltiedig yn/Full application for the erection of food production warehouse, extension to existing building to create brining area, erection of Effluent Treatment Plant (ETP) tank, associated balance tank and structures (part retrospective in relation to foundations), creation of attenuation ponds, erection of building to accommodate DAF units, alterations to existing access points along with amendments to existing parking, de-adoption of part of existing adopted highway with landscaping and associated works at

    8 Stad Diwyddiannol Mona Industrial Estate, Mona

    Received 13 Nov 2020
  20. ClosedFPL/2020/242

    Cais llawn ar gyfer trosi cyn gerbyty i fod yn annedd ynghyd â gwneud addasiadau ac estyniadau yn / Full application for conversion of former coach house into dwelling together with alterations and extensions at

    Former Coach House, Capel Ebenezer Chapel, Llanfaethlu

    Received 11 Nov 2020
  21. ClosedHHP/2020/283

    Cais llawn ar gyfer addasu ac ehangu yr annedd, modurdu ac ty cwch yn / Full application for alterations and extensions to the dwelling, garage and boathouse at

    Glan Y Menai, Glyngarth

    Received 30 Nov 2020
  22. ClosedFPL/2020/273

    Cais ôl-weithredol ar gyfer cadw’r cwt glan môr, cyfleusterau toiled a’r gwaith tirlunio caled ar dir ger /Retrospective planning application for retention of beach hut, toilet facilities and hard landscaping on land adjacent to

    Silver Bay Holiday Village , Rhoscolyn

    Received 23 Dec 2020
  23. ClosedLUE/2020/12

    Cais am dystysgrif defnydd presennol o’r datblygiad oherwydd bod gwaith sylweddol wedi cychwyn ar ganiatad V904A ac V904B er mwyn diogelu’r caniatâd hwnnw ar dir yn / Application for a certificate of existing use or development in relation to a material start having been made on permission V904A and V904B thus safeguarding the consent on land at

    Lon Garreg Fawr, Bae Treaddur Bay

    Received 6 Aug 2020
  24. ClosedHHP/2021/25

    Cais llawn ar gyfer addasu ac ehangu yn / Full application for alterations and extensions at

    Tyddyn Meredydd, Bryngwran

    Received 2 Feb 2021

Records are ordered by application ID, not submission date. Use search to find a particular address or proposal.

View all applications

Researching a proposal in Isle of Anglesey County Council

Start with the address or application reference. Open a record to read the proposal, dates and available documents, then check the official register for the latest plans and consultation details. If nothing appears, check coverage before treating the result as a complete planning history.

Planning procedures in Wales differ from those in England. Use the authority’s own guidance for application requirements, comments and decision timescales.

How to search planning applications

Guides to planning records

All planning guides
  • Understanding planning · 13 min read

    Planning application documents: what to read first

    Understand planning application documents, officer reports and decision notices. Use a reading checklist, document table and worked example to inspect a case.

  • Understanding planning · 13 min read

    Planning permission drawings: how to read plans

    Read planning drawings, floor plans, elevations and sections. Use labelled diagrams, a drawing comparison table and revision checks to understand a proposal.

  • Property research · 13 min read

    Planning approval rates: how to read council statistics

    Understand planning approval rates with an interactive calculator, worked examples and comparison table. Check sample sizes, outcomes and coverage before comparing.

What these statistics cover

These figures describe applications collected by PlanningTrack for Isle of Anglesey County Council, across all dates currently available. They are a partial dataset, rather than an authority-wide performance measure. The date range does not establish continuous historical coverage.

The approval percentage is approved records divided by approved plus refused records. Pending, withdrawn and unknown outcomes are excluded. No percentage is shown until there is an approved or refused record.

Check collection coverage