ANFIELD, 4 Coed Y Ddôl, Llanberis, Caernarfon, Gwynedd, LL55 4EG

1. 1 Sep 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.

Householder applications cover work to an existing house and its garden, such as extensions, lofts and outbuildings, and cannot create a separate dwelling or change what the building is used for. More in our guide to planning application types.

• Tir Ger Maes Parcio Bysiau, , Llanberis, LL55 4UR

  C25/0687/15/LL Submitted 23 Sep 2025 328m away

  Gosod cerflun fel dehongliad o Safle Treftadaeth y Byd Tirwedd Llechi Gogledd Orllwein Cymru / Installation of a sculpture as an interpretation of the North West Wales Slate Landscape World Heritage Site

  Granted Full applications

• DENBIGH HOUSE, 36 High Street, Llanberis, Gwynedd, LL55 4EU

  C25/0759/15/LL Submitted 16 Oct 2025 334m away

  Codi estyniad unllawr cefn Erection of single storey rear extension

  Granted Full applications Extension
  Small domestic

• 7 Rock Terrace, Llanberis, Caernarfon, Gwynedd, LL55 4LA

  C26/0029/15/AC Submitted 20 Jan 2026 383m away

  Cais i ddiwygio amod 2 (Cynlluniau a gymeradwywyd) o ganiatâd C25/0424/15/DT, ar gyfer estyniad cefn llawr cyntaf, er mwyn caniatáu diwygiad i’r dyluniad i godi uchder to’r estyniad i 5.11m. Application to amend condition 2 (Approved plans) of planning permission C25/0424/15/DT, for a First floor rear extension, to allow an amendment to the design to raise the roof hight of the extension to 5.11m.

  Granted Amendments Extension

• Land Adjacent To 10 Warden Street, Llanberis, LL55 4HP

  C25/0927/15/LL Submitted 16 Dec 2025 496m away

  Codi annedd newydd Erection of new dwelling

  Decided Full applications New dwelling
  Domestic

• Land Adjacent To 10 Warden Street, Llanberis, LL55 4HP

  C26/0238/15/LL Submitted 16 Apr 2026 496m away

  Decision due ~11 Jun

  Codi ty annedd newydd. Erection of new dwelling

  Status unknown Full applications New dwelling
  Domestic

• C26/0377/03/DT Status unknown

  TŶ GWYN Ffordd Cwmorthin, Tanygrisiau, Blaenau Ffestiniog, Gwynedd, LL41 3SN

  Estyniad Cefn arfaethedig ac addasiadau cysylltiedig Proposed rear extension and associated alterations

  24 Jun 2026 Householder
• C26/0373/39/DT Status unknown

  Tawelfa, Llwyn Onn Estate, Abersoch , LL53 7EP

  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.

  23 Jun 2026 Householder
• C26/0365/09/DT Status unknown

  11 Corbett Close, Tywyn, Gwynedd, LL36 0BL

  Cais am estyniad llawr daear a llawr cyntaf i gynnwys balconi / Application for a ground and first floor extension to dwelling including balcony

  19 Jun 2026 Householder
• C26/0364/42/DT Status unknown

  HAFAN WEN Lôn Golff, Morfa Nefyn, Pwllheli, Gwynedd, LL53 6DA

  Estyniad ochr llawr cyntaf ac estyniad llawr isaf unllawr. First floor side extension and ground floor single storey extension.

  18 Jun 2026 Householder
• C26/0354/14/DT Status unknown

  BRYN MÔR England Road North, Caernarfon, Gwynedd, LL55 1HS

  New first floor balcony to front of property along with new glazed doors. Balconi newydd ar y llawr cyntaf ar flaen yr eiddo ynghyd â drysau gwydr newydd.

  15 Jun 2026 Householder