Land Adj To Treflys, Glanllyn, Penrhyndeudraeth, LL48 6NP

1. 8 Aug 2025

   Received by Gwynedd

2. 6 Aug 2026

   Added to PlanIndex

Gwynedd granted permission, 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.

A full application seeks permission for a complete, detailed proposal in one go, with siting, design, access and landscaping all fixed at this stage. More in our guide to planning application types.

• Cae Cydnerth Pool Street, Penrhyndeudraeth, Gwynedd, LL48 6ND

  C25/0685/08/DA Submitted 22 Sep 2025 264m away

  Diwygiad di-faterol i'r cynlluniau a gymeradwywyd gan ganiatâd cynllunio C22/0472/08/LL i newid y deunydd wyneb o garreg naturiol i rendr llwyd ar rhai mannau allanol o'r annedd. Non material amendment to the plans approved by planning permission C22/0472/08/LL to change the facing material on proposed elevations from natural stone to a warm-grey render

  Granted Amendments

• The Eyrie, Penrhyndeudraeth, Gwynedd, LL48 6DW

  C26/0016/08/DT Submitted 14 Jan 2026 284m away

  Decision due ~11 Mar

  Cais am estyniad deulawr ochr a newidiadau mewnol cysylltiedig / Application for a two storey side extension and associated internal alterations.

  Status unknown Householder Extension
  Domestic

• Park Road Garage, Penrhyndeudraeth, LL48 6LS

  C26/0181/08/LL Submitted 18 Mar 2026 284m away

  Decision due ~13 May

  ESTYNIAD I YSTAFELL ARDDANGOS CEIR I GREU SWYDDFA / EXTENSION TO CAR SHOWROOM TO PROVIDE OFFICE ACCOMMODATION

  Status unknown Full applications Extension

• Maes Gwyn, Penrhyndeudraeth, Gwynedd, LL48 6NB

  C25/0809/08/DT Submitted 5 Nov 2025 356m away

  Estyniad ochr. Side extension.

  Granted Householder Extension
  Domestic

• Tir Oddi Ar / Land Off - Lon Arfryn, Penrhyndeudraeth, LL48 6RW

  C25/0703/08/LL Submitted 29 Sep 2025 436m away

  Cais llawn ar gyfer dyluniad wedi'i ddiwygio i gynlluniau a gymeradwywyd ar gyfer annedd newydd o dan gyfeirnodau cynllunio C06M/0142/AM a C11/0392/08/MG. Full Planning for amended design to approved plans for new dwelling under planning references C06M/0142/AM and C11/0392/08/MG.

  Granted Full applications New dwelling
  Domestic

• C26/0392/09/LL Status unknown

  THE VICTORIA-N-SLIPWAY Marine Parade, Tywyn, Gwynedd, LL36 0DG

  Estyniad i Dŷ Tafarn ynghyd â gwaith allanol cysylltiedig / Extension to Public House and associated external works

  30 Jun 2026 Full applications
• C26/0380/18/LL Status unknown

  FFERM TAN Y DDERWEN, Llanddeiniolen, Caernarfon, Gwynedd, LL55 3AP

  Codi sied amaethyddol ar gyfer storio offer a pheiriannau Erection of an agricultural shed for the storage of implements and machinery

  25 Jun 2026 Full applications
• C26/0378/09/LL Status unknown

  Land At Pendre Enterprise Park, Tywyn, LL36 9LW

  Codi ffens derfyn, giatiau, trac mynediad ac adeilad storio peiriannau, ynghyd a gosod 3 cynhwysydd llongau 40 troedfedd i bwrpas storio / Erection of perimeter fencing, gates, access track and plant storage building, and siting of 3no. 40ft shipping containers for storage.

  24 Jun 2026 Full applications
• C26/0376/45/LL Status unknown

  PLAS HELI Glan Y Don Industrial Estate, Pwllheli, Gwynedd, LL53 5YT

  Adeiladu bloc toiledau a chawodydd arfaethedig yn plas Heli / Construction of proposed toilet and shower block at Plas Heli.

  24 Jun 2026 Full applications
• C26/0372/41/LL Status unknown

  Harlech Frozen Foods, HARLECH FROZEN FOODS Dwyfor Food Park, Llanystumdwy, Criccieth, Gwynedd, LL52 0LJ

  Codi adeilad storio dros dro i ddarparu ar gyfer cynnydd dros dro yn y galw am gynhyrchion. / Erection of a temporary storage building to accommodate a temporary increase in demand for products.

  22 Jun 2026 Full applications