CEFN GRAIANOG, Llanllyfni, Caernarfon, Gwynedd, LL54 6SY

This site has had 2 applications since 2026.

• C26/0046/34/LL Status unknown

  CEFN GRAIANOG, Llanllyfni, Caernarfon, Gwynedd, LL54 6SY

  Cais ar gyfer gweithredu gwaith ailgylchu, sgrinio ac adfer deunyddiau gwastraff anadweithiol / Application for the operation of inert waste materials recycling, screening and recovery plant

  Submitted 29 Jan 2026 Full applications

1. 29 Jan 2026

   Received by Gwynedd

2. 6 Aug 2026

   Added to PlanIndex

Gwynedd 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.

• CEFN GRAIANOG, Llanllyfni, Caernarfon, Gwynedd, LL54 6SY

  C26/0046/34/LL Submitted 29 Jan 2026 50 yards away

  Decision due ~26 Mar

  Cais ar gyfer gweithredu gwaith ailgylchu, sgrinio ac adfer deunyddiau gwastraff anadweithiol / Application for the operation of inert waste materials recycling, screening and recovery plant

  Status unknown Full applications

• C26/0298/04/SC Status unknown

  A494 Bethel-Glan Yr Afon, Glan Yr Afon, LL23 7LD

  (none)

  Received 14 May, published by the council 6 Aug 2026 Outline
• C26/0095/45/AM Status unknown

  THE ORIGINAL FACTORY SHOP, 86 High Street, Pwllheli, Gwynedd, LL53 5RW

  Trosi a newid defnydd llawr 1af ar gyfer 6 o fflatiau preswyl, gydag man newidiadau cysylltiedig i drychiadau ac ychwanegiad o 2 ffenest to, to gwyrdd a paneli solar ar rhan to fflat cefn. Conversion and change of use of 1st floor to accommodate 6 residential flats, with associated minor elevational changes and addition of 2 skylights, a green roof and solar panels on rear flat roof section

  Received 12 Feb, published by the council 6 Aug 2026 Outline
• C25/0947/25/EIA Granted

  Pentir Substation, Bangor, LL57 4ED

  Amnewid ceblau tanddaearol presennol a gosod ceblau tanddaearol traws-safle newydd yn is-orsaf presennol Pentir yn ogystal a gwaith cysylltiol. Replacement of existing underground cables and installation of new cross site underground cables in the existing Pentir substation and ancillary works

  Received 24 Dec, published by the council 6 Aug 2026 Outline
• C25/0949/36/EIA Decided

  Land South Of A487, Glan Dwyfach, Garndolbenmaen, LL51 9PQ

  Cais ar gyfer darparu is-orsaf newydd ynghyd a seilwaith a gwaith cysylltiol i gynnwys ffordd mynediad newydd o'r A487 ac uwchraddio ffordd mynediad amaethyddol a gosod ceblau tanddaearol 132 kV newydd er mwyn cysylltu gyda'r llinnell Rhwydwaith Trydan presennol uwchben. Application for a new substation and associated infrastructure and ancillary works, including a new access road from the A487 and the upgrading of an existing agricultural access track, and new underground 132 kV cables to connect to the existing Electricity Networks overhead line.

  Received 24 Dec, published by the council 6 Aug 2026 Outline
• C25/0944/42/AM Status unknown

  Glanfa Lôn Tyn Y Mur, Morfa Nefyn, Pwllheli, Gwynedd, LL53 6AY

  Cais amlinellol gyda'r holl faterion wedi eu cadw yn ol i godi ty preswyl deulawr ar rhan segur o lain dwbl gwreiddiol / Outline application with all matters reserved for the erection of a 2 storey dwelling on vacant half of original double plot

  Received 22 Dec, published by the council 6 Aug 2026 Outline