WINDOVER, 5 Llwyn Onn Estate, Abersoch, Pwllheli, Gwynedd, LL53 7EP

1. 26 Feb 2026

   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.

An amendment application makes limited changes to a permission that already exists; anything beyond modest adjustment needs a fresh application. More in our guide to planning application types.

• Tawelfa, Llwyn Onn Estate, Abersoch , LL53 7EP

  C26/0373/39/DT Submitted 23 Jun 2026 0m away

  Decision due ~18 Aug

  Cais am addasiadau ac estyniadau i ailfodelu'r annedd bresennol drwy:- estyniad ochr a chefn, addasiadau i'r to i greu llety ar y llawr cyntaf a gwelliannau effeithlonrwydd ynni i'r rhannau o'r tŷ sy'n cael eu cadw. Application for alterations and extensions to remodel the existing dwelling through:- side and rear extension, roof alterations to create first floor accommodation and energy efficiency upgrades to the parts of the house being retained.

  Status unknown Householder Extension Roofing
  Domestic

• HOLANDUS Lôn Sarn Bach, Abersoch, Pwllheli, Gwynedd, LL53 7EL

  C25/0751/39/DT Submitted 14 Oct 2025 38m away

  Ail gyflwyniad o gais C25/0359/39/DT a wrthodwyd ar gyfer ymestyn eiddo presennol / Re-submission of refused planning application C25/0359/39/DT to extend the existing property.

  Granted Householder
  Domestic

• 139 Cae Du Estate, Abersoch, Pwllheli, Gwynedd, LL53 7DE

  C26/0033/39/DT Submitted 21 Jan 2026 313m away

  Decision due ~18 Mar

  Codi porth blaen ac estyniad unllawr cefn / Construction of front porch and single storey rear extension

  Status unknown Householder Extension
  Small domestic

• FAIRWAYS Lôn Sarn Bach, Abersoch, Pwllheli, Gwynedd, LL53 7EH

  C26/0085/39/DT Submitted 10 Feb 2026 331m away

  Decision due ~7 Apr

  Dymchwel estyniad unllawr cefn a modurdy presennol a chodi estyniad unllawr cefn newydd mwy Demolish existing single storey rear extension and garage and erect a new larger single storey rear extension

  Status unknown Householder Extension Demolition
  Small domestic

• WENDON Lôn Sarn Bach, Abersoch, Pwllheli, Gwynedd, LL53 7EE

  C25/0592/39/DT Submitted 19 Aug 2025 464m away

  Codi estyniad cefn un llawr to flat, ac ffenest gromen ir cefn. Codi adeilad allanol yn yr ardd gefn. Erection of single storey flat rood extension, a dormer window on the rear of the dwelling. Erection of outbuilding

  Granted Householder Extension Loft or dormer +1
  Small domestic

• Cwt Glan Mor 44 / Beach Hut 44, Abersoch, Pwllheli, LL53 7EF

  C26/0133/39/DA Submitted 27 Feb 2026 467m away

  Cais am ddiwygiad ansylweddol i ganiatâd cynllunio C25/0201/39/LL er mwyn creu ardal storio o dan ardal y decin fel a ganiatawyd. Application for a non-material amendment to planning permission C25/0201/39/LL in order to create a storage area beneath the decking area as approved.

  Granted Amendments

• C26/0349/03/AC Status unknown

  1, CASTELL BARLWYD Glanypwll Road, Tanygrisiau, Blaenau Ffestiniog, Gwynedd, LL41 3RH

  Cais i ddiwygio amod 2(cynlluniau cymeradwy) i newid dyluniad yr estyniad o ganiatad (C13/0879/03/LL) / Application to amend condition 2 (approved plans) to alter the design of the extension on planning permission (C13/0879/03/LL)

  9 Jun 2026 Amendments
• C26/0337/39/DA Status unknown

  LEE BANK Lon Rhoslyn, Abersoch, Pwllheli, Pwllheli, LL53 7BB

  Diwygiad ansylweddol i ganiatâd cynllunio C21/0086/39/DT i leihau maint y tŷ cychod, ail leoli drws y garej a newid strwythur y to o fflat i to brig. Non-material amendment to planning permission C21/0086/39/DT to reduce the size of the original boathouse, reposition of the garage door and change roof structure from flat to pitched.

  2 Jun 2026 Amendments
• C26/0311/13/DA Status unknown

  5 & 6 Llys Victoria, Stryd Fawr, Bethesda, Bangor, LL57 3AN

  Diwygiad ansylweddol i gais cynllunio C25/0422/13/LL er mwyn diwygio dyluniad y ffenestr gromen i gynnwys 2 ffenestr (3 yn flaenorol) Non-material amendment to planning application to amend the design of the dormer window to include 2 windows (formerly 3).

  20 May 2026 Amendments
• C26/0307/42/DA Status unknown

  Tir Maes Twnti, Morfa Nefyn, Pwllheli, LL53 6EU

  Cais am ddiwygiadau di-faterol i ganiatâd cynllunio C24/0689/42/LL er mwyn newid lefelau lloriau gorffenedig y lleiniau er mwyn sicrhau cydymffurfiaeth gydag Dogfen M a draenio gydag man diweddariadau cydlyniad i'r gosodiad. Application for non-material amendments to planning approval C24/0689/42/LL for changing the finished floor levels of the plots to ensure compliance with Doc M and drainage, alongside minor coordination updates to the layout

  18 May 2026 Amendments
• C26/0303/18/AC Status unknown

  Welsh Slate Museum, GILFACH DDU, Llanberis, Caernarfon, Gwynedd, LL55 4TY

  Diwygio amod rhif 2 (unol a'r cynlluniau) ar caniatad C24/0977/18/LL i godi uchder to y caffi, gwaith tirlunio a materion draenio / Amend condition number 2 (as per plans) on consent C24/0977/18/LL to increase roof height of cafe, landscaping and drainage matters

  18 May 2026 Amendments