Plas Gwyn, Traeth Coch / Red Wharf Bay

1. 8 Dec 2025

   Received by Isle of Anglesey

2. 22 Dec 2025

   Validated

   Checked as complete and ready for consideration.

3. 20 Feb 2026

   Decision issued: Gyfreithlon / Lawful

4. 6 Aug 2026

   Added to PlanIndex

Isle of Anglesey granted permission on 20 February 2026, subject to any conditions on the decision notice. Work must normally begin within five years or the permission lapses. More in our guide to what happens after a planning decision.

An outline application tests the principle of developing a site, holding back details such as appearance and landscaping as reserved matters for later approval. More in our guide to planning application types.

• Old Station Yard, Traeth Coch / Red Wharf Bay

  FPL/2023/103 Submitted 25 Apr 2023 400 yards away

  Cais llawn ar gyfer codi 9 uned gwyliau ynghyd a gwaith cysylltiedig yn / Full application for the erection of 9 holiday units together with associated works at

  Refused Full applications 28 docs

• Porthllongdy Caravan Site, Traeth Coch / Red Wharf Bay.

  LUE/2025/31 Submitted 1 Sep 2025 400 yards away

  Cais am Dystysgrif Datblygiad Cyfreithlon ar gyfer lleoli carafán statig a'i ddefnydd presennol at ddibenion gwyliau yn / Application for a Lawful Development Certificate for the siting of a static caravan and its existing use for holiday purposes at

  Granted Amendments 10 docs

• Porthllongdy, Pentraeth

  DAG/2020/19 Submitted 23 Sep 2020 400 yards away

  Cais i bennu os oes angen caniatâd blaenorol ar gyfer codi sied amaethyddol ar dir yn / Application to determine whether prior approval is required for the erection of an agricultural shed on land at

  Refused Outline 4 docs
  Small domestic

• Porthllongdy, Pentraeth

  DIS/2021/19 Submitted 25 Feb 2021 400 yards away

  Cais i ryddhau amod (04) (Adroddiad Gwaith Archeolegol) o ganiatâd cynllunio DAG/2020/19 yn / Application to discharge condition (04) (Archeological Work Report) of planning permission DAG/2020/19 at

  Granted Conditions 4 docs

• Coedle, Bae Red Wharf Bay

  SCR/2025/52 Submitted 20 Nov 2025 400 yards away

  Barn sgrinio ar gyfer dymchwel yr annedd bresennol a chodi annedd newydd yn ei le yn / Screening opinion for the demolition of the existing dwelling and the erection of a replacement dwelling at

  Decided Outline Demolition 13 docs
  Domestic

• Coedle, Traeth Coch / Red Wharf Bay

  FPL/2025/279 Submitted 20 Nov 2025 400 yards away

  Cais llawn ar gyfer dymchwel yr annedd bresennol a chodi annedd newydd yn ei le ynghyd a gosod tanc septic newydd yn / Full application for the demolition of the existing dwelling and the erection of a replacement dwelling together with the installation of a new septic tank at

  Decided Full applications Demolition 19 docs
  Domestic

• GWY/2026/2 Decided

  Tir yn a ger yr hen Safle Ferodo / Land At And Adjacent To The Former Ferodo Site, Griffiths Crossing, Caernarfon, LL55 1TP

  Cais amlinellol gyda holl faterion wedi eu cadw'n ol ar gyfer dymchwel adeiladau a strwythurau presennol, ailraddio'r tir a codi adeilad canolfan data (B8) ynghyd a chyfarpar cysylltiol i gynnwys generaduron, peirianwaith, cyfarpar, is-orsaf(oedd), mynedfeydd, parcio ac ardaloedd gwasanaethu, gwaith draenio a peirianyddol gan gynnwys cysylltu ac ail-leoli gwasanaethau / Outline application will all matters reserved for the demolition of existing buildings/structures, re-grading of land and erection of Class B8 data centre building(s) with all associated back-up generators, plant, equipment, sub-station(s), accesses, parking and servicing areas, drainage and engineering works, including services diversion/connection.

  Received 2 Sep, published by the council 16 Sep 2026 Outline
• OP/2025/1 Granted

  Llanfawr Road, Caergybi / Holyhead.

  Cais amlinellol ar gyfer codi 9 annedd fforddiadwy yn cynnwys manylion llawn o'r mynedfa, ymddangosiad, gosodiad a graddfa ar dir ger / Outline application for the erection of 9 affordable dwellings which includes full details of access, appearance, layout and scale on land near

  Received 30 Jan, published by the council 16 Sep 2026 Outline
• SCR/2026/21 Decided

  System storio ynni batri, Rhosgoch / Battery energy storage system, Rhosgoch

  Barn sgrinio ar gyfer gosod cebl o dan y ddaear i gysylltu â’r grid (safle Wylfa) i wasanaethu’r System Storio Ynni Batri a gymeradwywyd yn flaenorol ynghyd ag adeiladu a chodi isbwerdy, gorsafoedd trawsnewid a gwaith datblygu cysylltiedig yn / Screening opinion for the installation of a underground grid connection cable (at Wylfa site) to serve previously approved Battery Energy Storage System together with the construction and erection of a substation, transformer stations and associated development at

  Received 1 May, published by the council 6 Aug 2026 Outline
• SCR/2026/13 Decided

  Crud Yr Awel, Llanfaethlu.

  Barn sgrinio ar gyfer gosod paneli solar ar y ddaear yn / Screening opinion for the installation of ground mounted solar panels at

  Received 12 Mar, published by the council 6 Aug 2026 Outline
• DAG/2026/10 Decided

  Rhyd Goch, Llanfaethlu

  Cais i bennu os oes angen caniatâd blaenorol ar gyfer codi sied amaethyddol ar gyfer cadw peiriannau ar dir yn / Application to determine whether prior approval is required for the erection of an agricultural shed to store machinery on land at

  Received 22 Apr, published by the council 6 Aug 2026 Outline