7 Stryd y Goron / Crown Street, Gwalchmai.

1. 13 Nov 2025

   Received by Isle of Anglesey

2. 28 Nov 2025

   Validated

   Checked as complete and ready for consideration.

3. 6 Aug 2026

   Added to PlanIndex

Isle of Anglesey has decided this application; the outcome above is the register's own wording and the decision notice on the council portal carries the detail. 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.

• Homestead, 5 Maes Meurig, Gwalchmai, Caergybi / Holyhead

  HHP/2022/104 Submitted 23 Mar 2022 100 yards away

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

  Granted Full applications Extension 11 docs

• Annedd, Lon Pentracha, Gwalchmai

  HHP/2023/48 Submitted 1 Mar 2023 150 yards away

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

  Granted Full applications Extension 6 docs

• 23 Maes Meurig, Gwalchmai, Caergybi / Holyhead

  FPL/2023/306 Submitted 19 Oct 2023 150 yards away

  Cais llawn ar gyfer gosod Pwmp Gwres Ffynhonnell Awyr Monobloc yn annibynnol yn / Full application for the installation of a free standing Monobloc Air Source Heat Pump at

  Granted Full applications 8 docs

• Refail, Gwalchmai

  HHP/2022/125 Submitted 20 Apr 2022 200 yards away

  Cais llawn ar gyfer addasu ac ehangu mewn annedd presennol, dymchwel garej presennol ynghyd a addasiadau i'r mynedfa gerbydau presennol yn / Full application for alterations and extensions of an existing dwelling, demolition of the existing garage together with alterations to existing vehicular access at

  Granted Full applications Extension Demolition 11 docs
  Domestic

• Pendref, Gwalchmai

  FPL/2024/122 Submitted 15 May 2024 200 yards away

  86% historically approved · decision due ~10 Sep

  Cais llawn ar gyfer newid defnydd y tir i leoli dwy garafan sefydlog ar gyfer pwrpas defnydd gwyliau, ynghyd â ffurfio trac mynediad newydd a gosod system trin carthffosiaeth yn / Full application for the change of use of land for the siting of two static caravans for holiday let purposes, together with the formation of a new access track and installation of a package treatment plant at

  Status unknown Amendments 7 docs

• Glyn Alan, Crown Street, Gwalchmai

  HHP/2024/229 Submitted 23 Dec 2024 250 yards away

  Cais Llawn ar gyfer addasu ag ehangu yn / Full application for alterations and extensions at

  Granted Full applications Extension 8 docs

• 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