Ty Crwn, Llys Dulas

1. 5 Nov 2025

   Received by Isle of Anglesey

2. 9 Dec 2025

   Decision issued: Dim Angen AEA / EIA Not Required

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.

• Ty Crwn, Llys Dulas, Dulas

  FPL/2025/260 Submitted 5 Nov 2025 50 yards away

  Cais ôl-weithredol ar gyfer dymchwel yr annedd bresennol ynghyd â chodi annedd newydd yn ei le yn / Retrospective application for the demolition of the existing dwelling together with the erection of a replacement dwelling at

  Decided Full applications Demolition 8 docs
  Domestic

• Land South East of Keepers Cottage, Llys Dulas

  DAG/2025/12 Submitted 29 Sep 2025 150 yards away

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

  Refused Outline 7 docs

• The Gardens, Llys Dulas, Dulas.

  HHP/2025/159 Submitted 29 Sep 2025 250 yards away

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

  Granted Full applications Extension 6 docs

• Llys Dulas, Dulas

  FPL/2025/307 Submitted 12 Dec 2025 350 yards away

  Cais llawn ar gyfer addasu ac ehangu i'r ganolfan rheoli ystadau presennol, gweinyddu a chynadledda breswyl yn / Full application for alterations and extensions to the existing estate management, administration and residential conference centre at

  Granted Full applications Extension 20 docs

• Llys Dulas Estate, Dulas

  DAG/2023/5 Submitted 16 Mar 2023 350 yards away

  Cais i bennu os oes angen caniatâd blaenorol ar gyfer creu traciau amaethyddol ar dir yn / Application to determine whether prior approval is required for the creation of agricultural tracks on land at

  Granted Other 5 docs

• Llys Dulas, Dulas

  SCR/2025/64 Submitted 23 Dec 2025 350 yards away

  Barn sgrinio ar gyfer addasu ac ehnagu i'r ganolfan rheoli ystadau presennol, gweinyddu a chynadledda breswyl bresennol ynghyd â llety i reolwyr yn / Screning Opinion for alterations and extensions to the existing estate management, administration and residential conference center together with managers accommodation at

  Decided Extension 14 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