Caerwyn, Tyn Y Gongl.

1. 12 Nov 2024

   Received by Isle of Anglesey

2. 7 Jan 2025

   Decision issued: Cyfreithlon ac Anghyfreithlon / Lawful and Unlawful

3. 16 Sep 2026

   Added to PlanIndex

Isle of Anglesey refused this application for the reasons on the decision notice; only the applicant can appeal, and refused schemes often return in revised form. 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.

• Argoed, Benllech, Tyn Y Gongl

  HHP/2022/162 Submitted 27 May 2022 50 yards away

  Cais llawn i ddymchwel yr anecs a'r modurdy presennol, addasu ac ehangu yr annedd presennol ynghyd a chodi modurdy newydd ar wahân yn / Full application for proposed demolition of existing annex and garage, alterations and extensions to the main dwelling together with the erection of a detached garage at

  Granted Full applications Extension Demolition 6 docs
  Domestic

• Hafod Wyn, Benllech

  LUE/2025/21 Submitted 19 May 2025 100 yards away

  Cais am Dystysgrif Datblygiad Cyfreithlon ar gyfer defnydd presennol o'r eiddo fel 5 fflat preswyl hunangynhaliol ers dros 10 mlynedd yn / Application for a Lawful Development Certificate for the existing use of the property as 5 self-contained residential apartments for over 10 years at

  Granted Amendments New dwelling 6 docs

• Hafod Wyn, Benllech

  FPL/2024/274 Submitted 2 Oct 2024 100 yards away

  95% historically approved · decision due ~5 Dec

  Cais llawn i ddymchwel y tŷ presennol, codi annedd newydd yn ei le, ynghyd a addasu'r fynedfa bresennol yn / Full application for the demolition of the existing dwelling, erection of a replacement dwelling together with alterations to the existing vehicular access at

  Status unknown Full applications Demolition 11 docs
  Domestic

• Arfryn, Benllech, Tyn Y Gongl.

  HHP/2023/184 Submitted 22 Aug 2023 100 yards away

  Cais llawn ar gyfer addasu ag ehangu, gan gynnwys balconi yn / Full application for alterations and extensions, including a balcony at

  Granted Full applications Extension 5 docs

• Wenallt, Tynygongl.

  HHP/2024/43 Submitted 1 Mar 2024 100 yards away

  Cais llawn ar gyfer dymchwel rhan o'r annedd bresennol ynghyd a addasu ac ehangu yn / Full application for demolition of part of the existing dwelling together with alterations and extensions at

  Granted Full applications Extension Demolition 12 docs
  Domestic

• Pen y Meusydd, Tyn y Gongl

  FPL/2024/162 Submitted 25 Jun 2024 150 yards away

  Cais Llawn ar gyfer godi annedd, codi modurdy ddeulawr ar wahân ynghyd a addasu'r fynedfa presennol yn/ Full application for the erection of a dwelling, two-storey garage together with alterations to the existing access at

  Granted Full applications New dwelling 16 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 Granted

  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