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Council hub · Wales

Gwynedd planning applications

Page 7 of 14, newest first. The Gwynedd hub carries the figures, decision times and common questions.

Applications

Page 7 of 14

  • C26/0025/42/DT Status unknown

    Waen Lôn Pen Rhos, Morfa Nefyn, Pwllheli, Gwynedd, LL53 6BN

    Adeiladu estyniad unllawr ar ochr yr annedd a chynyddu’r estyniad cefn presennol i dŷ deulawr ar wahân. Single storey side extension and addition to existing rear extension to detached two-storey house.

    Submitted 18 Jan 2026 Householder
  • C26/0023/42/RA Granted

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

    Cais i ryddhau amod 5 o ganiatâd cynllunio C24/0689/42/LL er mwyn cymeradwyo manylion cynllun datblygu tai fforddiadwy/ Application to discharge condition 5 on planning approval C24/0689/42/LL in order to approve details of affordable housing scheme.

    Submitted 16 Jan 2026 Conditions
  • C26/0022/17/RA Status unknown

    Coleg Llandrillo, Glynllifon College, Llandwrog, Caernarfon, Gwynedd, LL54 5DU

    Cais i rhyddhau amod 8 ( Gorffeniad allanol) ar gais cynllunio C22/0952/17/LL Application to discharge condition 8 (external appearance on application no. C22/0952/17/LL

    Submitted 16 Jan 2026 Conditions
  • C26/0026/42/DT Decided

    18 Llwyn Gwalch, Morfa Nefyn, Pwllheli, Gwynedd, LL53 6DE

    Estyniad unllawr i gefn yr eiddo. Single storey rear extension

    Submitted 16 Jan 2026 Householder
  • C26/0019/15/RA Decided

    Glyn Rhonwy Store Glyn Rhonwy Estate, Llanberis, Gwynedd, LL55 4EL

    Cais i ryddhau yn rhannol gofyniad 4 ‘'Cynllun cyflwyno cam wrth gam’, 6 ‘Cod Ymarfer Adeiladu’, 14 ‘Cyfansoddion Adeiladu a strwythurau dros dro’ a 21 ‘Strategaeth cyfadferiad a gwellhad archeolegol’ o Orchymyn Caniatâd Datblygu Cyfeirnod ‘SI 2021 Rhif 1284 (W.323)’ ar gyfer datblygu cyfleuster storio pwmpio / Application for partial discharge of requirement 4 ‘Phasing plan’, 6 ‘Code of Construction Practice’, 14 ‘Construction compounds and temporary structures’ and 21 ‘Archaeological Compensation and Enhancement Strategy’ of Development Consent Order Reference ‘SI 2021 No. 1284 (W.323)’ for the development of a pumped storage facility.

    Submitted 15 Jan 2026 Conditions
  • C26/0021/11/DT Granted

    Plas Bach Holyhead Road, Bangor, Gwynedd, LL57 2HQ

    Estyniad i’r balconi presennol ar y llawr cyntaf. Extension to the existing first floor balcony.

    Submitted 15 Jan 2026 Householder
  • C26/0020/24/DT Status unknown

    24, Chatham Log Cabins, Llandwrog, Caernarfon, Gwynedd, LL54 5TG

    Estyniad unllawr ochr bwriededig Proposed single storey side extension

    Submitted 15 Jan 2026 Householder
  • C26/0018/14/LL Withdrawn

    ALBERT INN, 10 Segontium Terrace, Caernarfon, Gwynedd, LL55 2PN

    Newid defnydd cyn-dy tafarn yn uned byw (C3) / Change of use of former public house into to residential unit (C3)

    Submitted 15 Jan 2026 Full applications
  • C26/0016/08/DT Status unknown

    The Eyrie, Penrhyndeudraeth, Gwynedd, LL48 6DW

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

    Submitted 14 Jan 2026 Householder
  • C26/0017/18/LL Status unknown

    Idris Morris, Y Fachell, Llanddeiniolen, Caernarfon, Gwynedd, LL55 3AD

    Cais cynllunio llawn ar gyfer trosi adeilad presennol yn lety byncws gyda gwaith addasu cysylltiedig ac defnyddio'r uned gyfagos at ddibenion storio. Full planning application for the conversion of an existing building into a bunkhouse accommodation with associated alterations works and use of the adjacent unit for storage purpose.

    Submitted 13 Jan 2026 Full applications
  • C26/0013/39/TC Granted

    TANRARDD, Llangian, Pwllheli, Gwynedd, LL53 7LN

    Tystysgrif datblygiad cyfreithlon arfaethedig i ddefnyddio’r eiddo o fewn dosbarthiadau defnydd C3, C5 neu C6 o’r Gorchymyn Cynllunio Gwlad a Thref (Dosbarth Defnydd) 1987 (fel y’i diwygiwyd) ynghyd a’r newid defnydd a ganiateir rhwng y dosbarthiadau. Lawful development certificate for the proposed use of the property within use classes C3, C5 or C6 of the Town and Country Planning (Use Class) Order 1987 along with the permitted change of use between the use classes.

    Submitted 12 Jan 2026 Lawful development
  • C26/0012/14/LL Status unknown

    THE OVAL Marcus Street, Caernarfon, Gwynedd, LL55 2HT

    Gosod cynhwysydd dur yn barhaol ar y tir. Permanent siting of a container on the land.

    Submitted 12 Jan 2026 Full applications
  • C26/0011/11/LL Status unknown

    HAULFRE Ffriddoedd Road, Bangor, Gwynedd, LL57 2EH

    Newid defnydd Tŷ Aml-Feddiannaeth (TAF) i ddefnydd C2 (Sefydliad Preswyl) 8 gwely fel cartref gofal cofrestredig i blant gan gynnwys llety staff, dim newidiadau allanol Change of use of House in Multiple Occupancy (HMO) to 8 bed C2 (Residential Institution) use as registered care home for children including staff accommodation, no external alterations

    Submitted 9 Jan 2026 Full applications
  • C26/0007/13/DT Status unknown

    4 Long Street, Gerlan, Bethesda, Bangor, Gwynedd, LL57 3SY

    Codi estyniad deulawr ar gefn yr eiddo Erection of a two-storey extension at the rear of the property

    Submitted 8 Jan 2026 Householder
  • C26/0009/37/LL Granted

    Bryn Helyg, Glasfryn, Y Ffor, LL53 6RD

    Cais llawn ar gyfer storfa silwair / Full application for a silage clamp

    Submitted 8 Jan 2026 Full applications
  • C26/0010/32/LL Granted

    TRE WEN, Botwnnog, Pwllheli, Gwynedd, LL53 7SP

    Adeiladu to dros iard bresennol Construction of roof over existing yard

    Submitted 8 Jan 2026 Full applications
  • C26/0008/44/LL Status unknown

    UNIT 19 Penamser Industrial Estate, Porthmadog, Gwynedd, LL49 9NZ

    Cais llawn i newid defnydd o class B1/B2 i class D2 i greu campfa a chanolfan ffitrwydd i ferched yn unig / Application for change of use from use class B1/B2 to D2 to create a womens only gym and fitness centre

    Submitted 8 Jan 2026 Full applications
  • C26/0004/11/LL Status unknown

    Cyngor Gwynedd, 23 Llys Dylan, Maesgeirchen, Bangor, Gwynedd, LL57 1LT

    Newid defnydd unedau masnachol llawr gwaelod yn fflatiau preswyl, newidiadau allanol i'r fflatiau llawr cyntaf presennol, ffurfioli parcio ceir, tirlunio a gwaith cysylltiedig. Change of use of ground floor commercial units to residential apartments, external alterations to the existing first floor apartments, formalising car parking, landscaping and associated works.

    Submitted 7 Jan 2026 Full applications
  • C26/0005/46/DA Granted

    Tyddyn Du, Dinas, Pwllheli, Gwynedd, LL53 8SU

    Diwygiad ansylweddol i ddyluniad hawl cynllunio C21/0411/46/LL. C adw newidiadau fel a'i adeiladwyd yn cynnwys, newid gogwydd yr adeilad, diwygiad i rai agoriadau ffenestri/ ffenestri to a diwygiad i’r deunydd to i lechi Cymreig wedi eu hailgylchu yn hytrach na lleiniau dur lliw llwyd a ganiatawyd. Non-material amendment to the design of planning permission C21/0411/46/LL. Retain the changes as built which include, changes to the building's orientation, amendments to some window / roof window openings and amend roofing material to recycled Welsh slate rather than the permitted grey coloured steel sheets.

    Submitted 6 Jan 2026 Amendments
  • C26/0002/30/LL Status unknown

    TŶ MAWR, Botwnnog, Pwllheli, Gwynedd, LL53 7SS

    Dymchwel yr annedd presennol a'r adeiladau allanol presennol ynghyd a'i ail-godi ac ail-leoli'r annedd y tu allan i'r Ardal Rheoli Newid Arfordirol ynghyd a mynediad, seilwaith, draenio a gwaith tirlunio cysylltiol / The demolition of the existing dwelling and associated outbuildings and the relocation and replacement of the dwelling outside of the Coastal Change Management Area, with associated access, infrastructure, drainage and landscaping works

    Submitted 5 Jan 2026 Full applications
  • C26/0003/14/LL Granted

    The Oval Marcus Street, Caernarfon, Gwynedd, LL55 2HT

    Dymchwel a gwaredu strwythur presennol ac adeiladu stand yn eistedd 600 o bobl i deras gogleddol cae pel-droed yr Oval. Demolition and removal of existing structure and construction of 600 seater stand to north terrace of Oval football pitch.

    Submitted 5 Jan 2026 Full applications
  • C26/0001/25/LL Status unknown

    Pentre Du Isaf Treborth Uchaf, Treborth, Bangor, LL57 2RX

    Cais llawn ar gyfer storfa silwair gorchuddiedig/ Full application for a covered silage clamp

    Submitted 2 Jan 2026 Full applications
  • C25/0950/23/DT Status unknown

    20 Nant Y Glyn, Llanrug, Caernarfon, Gwynedd, LL55 4AH

    Codi estyniad un llawr ar gefn y eiddo, ynghyd ag estyniad llawr cyntaf dros y gegin/ystafell fwyta bresennol i ffurfio ystafell wely Erection of single storey extension to the rear of the property, together with a first floor extension over existing kitchen/dining to form bedroom

    Submitted 31 Dec 2025 Householder
  • C25/0946/44/EIA Status unknown

    Land Along The A483 Corridor, Porthmadog

    Estyniad i gompownd ceblau selio pen presennol Wern gan gynnwys mynediad parhaol newydd, Compownd selio pen newydd ac adeilad pen twnnel gyda mynediad parhaol ym Minffordd; tynnu compownd selio pen presennol Garth; gosod ceblau 400 cilofolt (kV) newydd i ddisodli ceblau 400 kV a 132 kV di-angen; ac isadeiledd a gwaith atodol cysylltiedig. The extension of the existing Wern Cables Sealing End Compound (CSEC) including a new permanent access; a new Minffordd CSEC and Tunnel Head House (THH) with permanent access; the removal of the existing Garth CSEC; installation of new 400 kilovolt (kV) cables to replace redundant 400 kV and 132 kV cables; and other associated infrastructure and ancillary works.

    Submitted 24 Dec 2025 Outline
  • C25/0948/45/HY Granted

    VENUE Station Square, Pwllheli, Gwynedd, LL53 5HG

    Gosod arwyddion ffasgia newydd a byrddu bwydlen / Installation of New fascia signage and menu boards

    Submitted 24 Dec 2025 Advertising
  • 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.

    Submitted 24 Dec 2025 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

    Submitted 24 Dec 2025 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

    Submitted 22 Dec 2025 Outline
  • C25/0942/14/LL Status unknown

    Santander, Santander, 1 - 3 Bridge Street, Caernarfon, Gwynedd, LL55 1AB

    Bwriedir newid defnydd cyn fanc Santander i gynnwys Bar/Tafarn (Dosbarth Defnydd A3) ar y Llawr Isaf, Bwyty (Dosbarth Defnydd A3)(i gynnwys gosod ffliw allanol) ar y Llawr Gwaelod ac ystafelloedd gwely ar llawr cyntaf. Proposed change of use of former Santander Bank to comprise of Bar / Pub (Use Class A3) on Lower Ground Floor, Restaurant (Use Class Class A3) (to include installation of external flue) on Ground Floor and bedrooms on first floor.

    Submitted 19 Dec 2025 Full applications
  • C25/0939/45/LL Granted

    VENUE Station Square, Pwllheli, Gwynedd, LL53 5HG

    Cais cynllunio i osod peiriannau ac offer echdynnu a man newidiadau i'r tu allan / Application for planning consent for the installation of plant and extract equipment plus minor external alterations

    Submitted 19 Dec 2025 Full applications
  • C25/0941/04/DT Status unknown

    TŶ CIPAR, Cwmtirmynach, Y Bala, Gwynedd, LL23 7EB

    Cais i godi estyniad deulawr ynghyd a man newidiadau mewnol yn dilyn dymchwel yr ystafell haul bresennol / The proposal includes the erection of a two-storey extension, together with other minor internal alterations, following the demolition of the existing conservatory.

    Submitted 19 Dec 2025 Householder
  • C25/0943/18/RA Granted

    Bakhita, Bethel, Caernarfon, Gwynedd, LL55 1YB

    Cais i ryddhau amod 12 (cynllun gwaredu dŵr budr a dŵr wyneb) o ganiatâd C19/0415/18/LL ar gyfer codi un tŷ deulawr a datblygiadau cysylltiol, a ddiwygiwyd gan ganiatâd C24/0467/18/AC. Application to discharge condition 12 (foul and surface water disposal scheme) of permission C19/0415/18/LL for the erection of one two‑storey dwelling and associated developments, as amended by permission C24/0467/18/AC.

    Submitted 19 Dec 2025 Conditions
  • C25/0940/39/DT Granted

    TŶ NEWYDD, Mynytho, Pwllheli, Gwynedd, LL53 7RR

    Estyniad ac addasiadau, gan gynnwys balconi. / Extension and alterations, including a balcony.

    Submitted 18 Dec 2025 Householder
  • C25/0936/24/DT Granted

    Allt Wen, FFRWD CAE DU, Bontnewydd, Caernarfon, Gwynedd, LL54 7YG

    Dymchwel y modurdy a'r storfa allanol bresennol, a chodi estyniadau unllawr a deulawr newydd yn eu lle, ynghyd â newidiadau cysylltiedig. Demolition of existing garage and external store, erection of new single-storey and two-storey extensions in lieu, along with associated alterations.

    Submitted 18 Dec 2025 Householder
  • C25/0937/18/CR Granted

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

    Addasiadau i rhan G38 (gweithdy haearn), G39 (gweithdy cyffredinol) a F01 (gofod arddangosfa) o'r Amgueddfa / Alterations to Metal Workshop (G38), General Workshop (G39) and Temporary Exhibition Space (F01)

    Submitted 18 Dec 2025 Heritage and listed buildings
  • C25/0931/33/LL Granted

    Land At Hendre, Boduan, LL53 8TY

    Cais llawn i gynnal gwaith cloddio er mwyn creu lagŵn slyri / Full application for excavation works to create a slurry lagoon.

    Submitted 17 Dec 2025 Full applications
  • C25/0933/20/SO Decided

    Land At And Adjacent To The Former Ferodo Site, Griffiths Crossing, Caernarfon, LL55 1TP

    Cais am farn gwmpasu o dan Reol 14, Rhan 4 o Reoliadau Cynllunio Gwlad a Thref [Asesiad Effaith Amgylcheddol] [Cymru] 2017 – 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 / Request for a scoping opinion under Regulation 14, Part 4 of the Town and Country Planning [Environmental Impact Assessment] [Wales] Regulations 2017 - 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.

    Submitted 17 Dec 2025 Outline
  • C25/0935/39/LL Status unknown

    Y Wenallt High Street, Abersoch, Pwllheli, Gwynedd, LL53 7DR

    Cais llawn i newid defnydd rhan o dy preswyl presennol ar gyfer ymestyn ardal siop / Full application to change a section of an existing residential property in order to extend a shop area

    Submitted 17 Dec 2025 Full applications
  • C25/0928/44/CR Granted

    Grisiau Mawr, Pencei, , Porthmadog, LL49 9AT

    Gosod canllaw yng nghanol y grisiau / Erect railing in middle of stairs

    Submitted 17 Dec 2025 Heritage and listed buildings
  • C25/0934/03/DT Granted

    HAFANNEDD Summerhill Terrace, Blaenau Ffestiniog, Gwynedd, LL41 3EQ

    Estyniad deulawr cefn. Two-storey rear extension.

    Submitted 17 Dec 2025 Householder
  • C25/0927/15/LL Decided

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

    Codi annedd newydd Erection of new dwelling

    Submitted 16 Dec 2025 Full applications
  • C25/0922/19/DT Refused

    Britannia House, Bontnewydd, Caernarfon, Gwynedd, LL54 7UN

    Gosod paneli solar Install solar panels

    Submitted 15 Dec 2025 Householder
  • C25/0932/23/LL Granted

    Llys Derwen Camping & Caravan Site, Caravan Park, Llys Derwen Ffordd Minffordd, Llanrug, Caernarfon, Gwynedd, LL55 4RD

    Newid defnydd rhan o adeilad allanol presennol i fewn i gyfleuster gofal dydd i gwn, yn gysylltiedig gyda'r maes carafanau teithiol a maes gwersylla Change of use of part of existing outbuilding into a dog daycare facility in conjunction with existing touring caravan and campsite

    Submitted 15 Dec 2025 Full applications
  • C25/0926/15/LL Refused

    1 Fron Deg Terrace, Llanberis, Caernarfon, Gwynedd, LL55 4HR

    Codi annedd deuluol. Erection of family dwelling.

    Submitted 15 Dec 2025 Full applications
  • C25/0929/41/LL Granted

    Cae Newydd, Pencaenewydd, Pwllheli, Gwynedd, LL53 6RD

    Cais i greu storfa slyri newydd(cynllun diwygiedig i'r hyn ganiatawyd dan gais C21/0804/41/LL / Application to construct a new slurry store (amendment to application granted under reference number C21/0804/41/LL)

    Submitted 15 Dec 2025 Full applications
  • C25/0930/14/LL Status unknown

    St Joseph Eleanor Street, Caernarfon, Gwynedd, LL55 1PG

    Newid defnydd o annedd i tri fflat hunangynhaliol (C3), a newid defnydd capel a festri i annedd (C3). Change of use from a single dwelling to three self-contained flats (C3) and change of use from a chappel and vestry to single dwelling (C3).

    Submitted 15 Dec 2025 Full applications
  • C25/0923/32/LL Granted

    TRE WEN, Botwnnog, Pwllheli, Gwynedd, LL53 7SP

    Adeiladu to dros iard bresennol Construction of roof over existing yard

    Submitted 15 Dec 2025 Full applications
  • C25/0919/24/DT Granted

    Tyn Y Weirglodd, Rhosgadfan, Caernarfon, Gwynedd, LL54 7ET

    Dymchwel modurdy presennol gan adeiladau estyniad cefn ac ochr newydd ynghyd a modurdy newydd. Demolish existing garage to build rear and side extension in addition to a new garage.

    Submitted 15 Dec 2025 Householder
  • C25/0917/40/LL Granted

    Land Adjacent Ty'n Llannor Fawr, Rhosfawr, LL53 6YF

    Cais llawn i greu storfa slyri newydd / Full application to create a new slurry ground slurry store

    Submitted 12 Dec 2025 Full applications
  • C25/0918/02/RC Status unknown

    Braich Goch Hotel, Corris, Machynlleth, Gwynedd, SY20 9RD

    Cais i rhyddhau amod 3, 4 a 5 oddi ar caniatad cynllunio C25/0436/02/LL / Application to remove condition 3, 4 and 5 from planning consent C25/0436/02/LL

    Submitted 12 Dec 2025 Conditions