Planning applications in Gwynedd

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Extensions & alterations
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Showing 50 of 151 applications
C26/0371/22/DT Yesterday Pending

BOD YCHAIN ISAF, Nasareth, Caernarfon, Gwynedd, LL54 6DR

Codi estyniad unllawr ‘lean to’ i gefn yr eiddo a chodi estyniad deulawr i’r ochr Erect a single-storey lean to extension to the rear of the property ...

Householder Planning Gwynedd
C26/0388/30/DT 2 days ago Pending

BRYN MÔR Lôn Uwchmynydd, Aberdaron, Pwllheli, Gwynedd, LL53 8BS

Disodli to rhan unllawr. Ychwanegu ffenestri to i'r prif do. Ychwanegu paneli solar. Newid trefniant ffenestri. Tynnu carafán sefydlog presennol ac ad...

Householder Planning Gwynedd
C26/0392/09/LL 3 Jul 2026 Pending

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

Full Planning Gwynedd 3 Jul 2026
C26/0373/39/DT 3 Jul 2026 Pending

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 gwell...

Householder Planning Gwynedd 3 Jul 2026
C26/0382/46/LL 2 Jul 2026 Pending

TŶ MAWR, Llangwnnadl, Pwllheli, Gwynedd, LL53 8NU

Codi estyniad unllawr ar ochr ty annedd, trosi adeilad allanol sydd ynghlwm i ffurfio rhan o'r eiddo a gwaith adfer i adeilad allanol arwahan / Erecti...

Full Planning Gwynedd 2 Jul 2026
C26/0367/46/CR 2 Jul 2026 Pending

TŶ MAWR, Llangwnnadl, Pwllheli, Gwynedd, LL53 8NU

Codi estyniad unllawr ar ochr ty annedd, trosi adeilad allanol sydd ynghlwm i ffurfio rhan o'r eiddo a gwaith adfer i adeilad allanol arwahan / Erecti...

Listed Building Consent Gwynedd 2 Jul 2026
C26/0345/18/LL 2 Jul 2026 Pending

Amgueddfa Cymru, Llanberis, LL55 4TY

Gwaith ail-caddio'r lifft presennol a gwaith adfer i'r grisiau cysylltiedig a gwaith tirlunio / Re-cladding works to the existing lift and refurbishme...

Full Planning Gwynedd 2 Jul 2026
C26/0330/26/DT 2 Jul 2026 Pending

PENNANT, Caeathro, Caernarfon, Gwynedd, LL55 2SG

Codi adeilad allanol unllawr to un brig, yn cynnwys swyddfa, gym ac ystafell ymolchi sydd yn cynnwys toilet. Proposed erection of new single storey le...

Householder Planning Gwynedd 2 Jul 2026
C26/0364/42/DT 2 Jul 2026 Pending

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.

Householder Planning Gwynedd 2 Jul 2026
C26/0351/44/DT 1 Jul 2026 Pending

71 Pensyflog, Porthmadog, Gwynedd, LL49 9LD

Dymchwel sied bresennol a chodi estyniad deulawr i gefn yr eiddo. Demolition of existing shed and erection of two storey extension to the rear of the ...

Householder Planning Gwynedd 1 Jul 2026
C26/0377/03/DT 27 Jun 2026 Pending

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

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

Householder Planning Gwynedd 27 Jun 2026
C26/0257/13/CR 26 Jun 2026 Pending

VICTORIA HOTEL High Street, Bethesda, Bangor, Gwynedd, LL57 3AN

Addasiadau mewnol er creu baddonau "en suite" ar y llawr cyntaf ac ail, gosod gwydriad eilradd ac amnewid y ffenestri to presennol am rhai maint mwy /...

Listed Building Consent Gwynedd 26 Jun 2026
C26/0365/09/DT 26 Jun 2026 Pending

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

Householder Planning Gwynedd 26 Jun 2026
C26/0354/14/DT 19 Jun 2026 Pending

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 new...

Householder Planning Gwynedd 19 Jun 2026
C26/0340/14/DT 19 Jun 2026 Pending

Y BETWS, 10 Pengelli Wyn, Caernarfon, Gwynedd, LL55 1EA

Codi estyniad unllawr i gefn yr eiddo Erection of single storey extension to the rear of the property

Householder Planning Gwynedd 19 Jun 2026
C26/0264/16/DT 19 Jun 2026 Pending

BRYN DERW Llandygai Village, Llandygai, Bangor, Gwynedd, LL57 4HU

Lledu’r fynedfa gerbydol bresennol i’r blaen, tynnu’r wal floc rendr bresennol yn y cefn a gosod ffens banel cyfansawdd (gorffeniad effaith pren lliw ...

Householder Planning Gwynedd 19 Jun 2026
C26/0355/09/LL 18 Jun 2026 Pending

Cyngor Gwynedd, PENYBRYN SCHOOL Ffordd Cadfan, Tywyn, Gwynedd, LL36 9EF

Cais i waredu y rheiliau metel du presennol a gostwng y pileri brics presennol i lefel y wal derfyn garreg. Gosod ffens ddiogelwch weldmesh newydd 6 t...

Full Planning Gwynedd 18 Jun 2026
C26/0332/20/DT 13 Jun 2026 Pending

Moel Y Don, Glan Y Mor, Felinheli, LL56 4RQ

Addasiadau i amgáu y balconi presennol ar brif wyneb blaen yr eiddo Alterations to enclose the existing balcony on the principal front elevation of th...

Householder Planning Gwynedd 13 Jun 2026
C26/0338/11/LL 12 Jun 2026 Pending

44 Farrar Road, Bangor, Gwynedd, LL57 1LJ

Trosi rhan o’r annedd bresennol i ffurfio uned breswyl hunangynhaliol ar wahân (defnydd C3). Conversion of part of existing dwelling to form a separat...

Full Planning Gwynedd 12 Jun 2026
C26/0343/44/DT 11 Jun 2026 Pending

12, CAE FFYNNON CHALET PARK Beach Road, Morfa Bychan, Porthmadog, Gwynedd, LL49 9YQ

Cais am estyniad arfaethedig ynghyd â disodli’r cladin allanol / Proposed extension and replace external cladding

Householder Planning Gwynedd 11 Jun 2026
C26/0327/26/DT 11 Jun 2026 Pending

LYNFOD, Waunfawr, Caernarfon, Gwynedd, LL55 4YS

Cais ar gyfer adeiladu estyniad deulawr yng nghefn yr eiddo ynghyd a porth i flaen yr eiddo. Two-storey extension to the rear of the property. Single-...

Householder Planning Gwynedd 11 Jun 2026
C26/0335/39/DT 10 Jun 2026 Pending

HAFAN GELTAIDD, 1 Ger Y Foel Estate, Mynytho, Pwllheli, Gwynedd, LL53 7RD

Dymchwel y canopi llawr gwaelod blaen a’r balconi integredig, ac adeiladu estyniad ystafell wely ar y llawr gwaelod gyda balconi ar y llawr cyntaf. / ...

Householder Planning Gwynedd 10 Jun 2026
C26/0333/35/HD 10 Jun 2026 Approved (Without Conditions)

2, PARCIAU BACH Lôn Fêl, Criccieth, Gwynedd, LL52 0LN

Dymchwel estyniad presennol / Demolition of existing extension

Prior Notification of Proposed Demolition Gwynedd 10 Jun 2026
C26/0331/09/DT 10 Jun 2026 Pending

TRESDDOLEN, 23 Ffordd Cadfan, Tywyn, Gwynedd, LL36 9EE

Cais i drosi atig, codi porth a newidiadau mewnol / Application for a loft conversion, Porch and Internal Remodelling

Householder Planning Gwynedd 10 Jun 2026
C26/0254/39/DT 10 Jun 2026 Pending

Fferm Ffynnon, Mynytho, Pwllheli, LL53 7RH

Cais i adeiladu estyniad ar edrychiad dwyreiniol annedd ar wahân, a gosod carafan statig dros dro. / Application to construct an extension on the east...

Householder Planning Gwynedd 10 Jun 2026
C26/0272/11/CR 3 Jun 2026 Pending

Shoe Zone, 256 High Street, Bangor, Gwynedd, LL57 1PA

Addasiadau mewnol i drosi rhan o'r llawr daear a'r lloriau uchod yn 6 uned byw a gosod blaen siop newydd / Internal alterations to convert part of gro...

Listed Building Consent Gwynedd 3 Jun 2026
C26/0323/39/DT 29 May 2026 Pending

Bodlondeb Lon China, Mynytho, Pwllheli,, LL53 7RN

Tynnu’r consyrfatri cefn presennol a’r estyniad, a chodi 2 estyniad cefn newydd unllawr bach a dormer to fflat. Tynnu 1 simne bresennol i ddarparu mwy...

Householder Planning Gwynedd 29 May 2026
C26/0318/18/DT 29 May 2026 Pending

CREIGLE, Brynrefail, Caernarfon, Gwynedd, LL55 3NY

Estyniad unllawr i'r drychiad blaen. Erection of a single storey extension to the front elevation.

Householder Planning Gwynedd 29 May 2026
C26/0304/14/LL 29 May 2026 Pending

GWESTY MARIANFA, 68 St David's Road, Caernarfon, Gwynedd, LL55 1EL

Newid defnydd o Westy (C1) yn ôl i Ddefnydd Preswyl Llawn (C3)a chodi estyniad cegin yn y Cefn Change of use from Guest House (C1) back into full Resi...

Full Planning Gwynedd 29 May 2026
C26/0324/44/LL 28 May 2026 Pending

Bywyd Gwyllt Glaslyn, Prenteg, LL49 9SP

Cais i ailosod decin, cladin, rampiau a grisiau o amgylch adeilad presennol y ganolfan wylio gwalch y pysgod, ymestyn y decin i dair ochr yr adeilad i...

Full Planning Gwynedd 28 May 2026
C26/0313/44/DT 28 May 2026 Pending

ERYLDON, 1 Amanda Terrace, Borth Y Gest, Porthmadog, Gwynedd, LL49 9TT

Dymchwel modurdy ddwbl a storfa bresennol ynghyd â chodi modurdy newydd gyda llawr gyda defnydd ategol uwchben / Demolition of existing double garage ...

Householder Planning Gwynedd 28 May 2026
C26/0295/20/TC 28 May 2026 Pending

CROESOR Tan Y Maes, Y Felinheli, Gwynedd, LL56 4UQ

Lleoli catref symudol at defnydd ategol i'r prif dy annedd. Siting of a mobile home for ancillary use to the main dwellinghouse.

Lawful Development Certificate Existing/Proposed Gwynedd 28 May 2026
C25/0691/44/CR 28 May 2026 Pending

Y SHIP INN, 14 Lombard Street, Porthmadog, Gwynedd, LL49 9AP

Addasiadau mewnol / Internal alterations

Listed Building Consent Gwynedd 28 May 2026
C25/0660/42/LL 28 May 2026 Pending

Plas Mawr, Mynydd Nefyn, Nefyn, Pwllheli, LL53 6TW

Ail gyflwyniad o gais llawn i drosi ac ymestyn adeilad amaethyddol allanol i lety gwyliau hunan gynhaliol C6 ynghyd a chreu mynediad newydd a gosod of...

Full Planning Gwynedd 28 May 2026
C25/0688/22/LL 28 May 2026 Pending

Petris Square, Dorothea Quarry, Talysarn, Caernarfon, LL54 6AE

Newid defnydd tir i'w ddefnyddio fel maes parcio, creu mynediad cerbydol newydd i'r briffordd gyhoeddus, gosod giât, rhwystr uchder ac arwyddion gwybo...

Full Planning Gwynedd 28 May 2026
C25/0689/11/DT 28 May 2026 Pending

TALGARTH Hwfa Road, Bangor, Gwynedd, LL57 2BN

Newidiadau mewnol arfaethedig, gwaith allanol i hwyluso mynediad i'r annedd a chodi adeilad gardd i unigolyn anabl. Proposed internal alterations, ext...

Householder Planning Gwynedd 28 May 2026
C25/0658/39/DT 28 May 2026 Pending

5 Murpoeth Estate, Mynytho, Pwllheli, Gwynedd, LL53 7ST

Estyniad un llawr ar flaen annedd bresennol / Single-storey extension on the front of an existing dwelling

Householder Planning Gwynedd 28 May 2026
C25/0615/34/DT 28 May 2026 Pending

AFALLON, Clynnog Fawr, Caernarfon, Gwynedd, LL54 5BT

Codi adeilad gardd / Erect garden building.

Householder Planning Gwynedd 28 May 2026
C25/0937/18/CR 24 May 2026 Approved with Conditions

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), Gen...

Listed Building Consent Gwynedd 24 May 2026
C25/0940/39/DT 24 May 2026 Approved with Conditions

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

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

Householder Planning Gwynedd 24 May 2026
C25/0923/32/LL 24 May 2026 Approved with Conditions

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

Adeiladu to dros iard bresennol Construction of roof over existing yard

Full Planning Gwynedd 24 May 2026
C25/0941/04/DT 24 May 2026 Pending

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...

Householder Planning Gwynedd 24 May 2026
C25/0870/13/DT 24 May 2026 Approved with Conditions

10 Ffordd Y Mynydd, Rachub, Bangor, Gwynedd, LL57 3HS

Dymchwel estyniad cefn presennol, adeiladu estyniad cefn unllawr newydd, amnewid y to presennol ynghyd a gosod ffenestr gromen newydd, gosod pwmp gwre...

Householder Planning Gwynedd 24 May 2026
C25/0925/25/LL 24 May 2026 Pending

HEN FELIN Ffordd Treborth, Treborth, Bangor, Gwynedd, LL57 2RQ

Codi llwybr pren a mannau decin o fewn y coetir, ynghyd â chodi adeilad storfa bren (gyda phaneli solar PV ar y to) a ffordd fynediad, yn ogystal â ch...

Full Planning Gwynedd 24 May 2026
C25/0739/45/DT 24 May 2026 Pending

SOUTH COTTAGE Caernarfon Road, Pwllheli, Gwynedd, LL53 5LW

Estyniad unllawr to brig i ddarparu ystafell wely ychwanegol. Single Storey ground floor pitched roof extension to provide an additional bedroom.

Householder Planning Gwynedd 24 May 2026
C25/0737/45/DT 24 May 2026 Pending

SOUTH COTTAGE Caernarfon Road, Pwllheli, Gwynedd, LL53 5LW

Adeiladu modurdy newydd Construction of a new garage.

Householder Planning Gwynedd 24 May 2026
C25/0919/24/DT 24 May 2026 Approved with Conditions

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 extensi...

Householder Planning Gwynedd 24 May 2026
C25/0912/35/DT 24 May 2026 Approved with Conditions

CAS BACH NI, 9 Gwaun Ganol, Criccieth, Gwynedd, LL52 0TB

Dymchwel canopi blaen a'i ddisodli gyda portsh caeedig gyda theras uwchben a chysgodfan haul ychwanegol ar gyfer y ffenestri Demolition of a front can...

Householder Planning Gwynedd 24 May 2026
C25/0726/18/DT 24 May 2026 Approved with Conditions

CAE CORNIOG BACH, Penisarwaun, Caernarfon, Gwynedd, LL55 3DB

Codi estyniad deulawr ar gefn yr eiddo ynghyd â chodi modurdy ar wahân. / Erection of a two-storey extension on the rear of the property and erection ...

Householder Planning Gwynedd 24 May 2026
C25/0907/14/DT 24 May 2026 Approved with Conditions

Bryn Parkia, PARKIA Bangor Road, Caernarfon, Gwynedd, LL55 1TP

Codi sied yng nghwrtil yr eiddo. Erection of a shed.

Householder Planning Gwynedd 24 May 2026
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Latest application from Gwynedd: 9 Jul 2026. We check the council's portal daily.