Planning applications in Gwynedd, June 2026

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

THE ORIGINAL FACTORY SHOP, 70 High Street, Porthmadog, Gwynedd, LL49 9NW

Cais am arwyddion lefel uchel wedi'u goleuo ar y drychiadau blaen ac ochr dde, arwyddion taflunol wedi'u goleuo ar y drychiadau ochr dde ac ochr chwith, ac arwydd nad yw wedi'i goleuo ar y drychiad cefn / Application for Illuminated high level signs to front and right hand side elevations, illuminated projecting signs to right and left hand elevations and non illuminated sign to rear elevation

TREFRI Brynhyfryd Road, Tywyn, Gwynedd, LL36 9HG

Cais i rhyddhau Amod 6(Cynllun Tirlunio a phlannu coed) o ganiatad cynllunio C24/1027/09/LL / Application to release Condition 6 (Landscaping and tree planting scheme) from planning permission C24/1027/09/LL

FFERM SARN Lôn Sarn Bach, Sarn Bach, Pwllheli, Gwynedd, LL53 7BG

Cais i rhyddhau amodau (2), (3) a (4) o ganiatad cynllunio C25/0777/39/LL yn ymwneud a (2) ( (Arolwg ffotograffig) (3) lliw llechi (4) gorffeniad allanol. Application to discharge conditons (2), (3) and (4) of planning permission C25/0777/39/LL in relation to (2) photographic survey (3) colour of slate (4) external finishes.

FFERM TAN Y DDERWEN, Llanddeiniolen, Caernarfon, Gwynedd, LL55 3AP

Codi sied amaethyddol ar gyfer storio offer a pheiriannau Erection of an agricultural shed for the storage of implements and machinery

PLAS HELI Glan Y Don Industrial Estate, Pwllheli, Gwynedd, LL53 5YT

Adeiladu bloc toiledau a chawodydd arfaethedig yn plas Heli / Construction of proposed toilet and shower block at Plas Heli.

Tir Ger / Land By Horeb, Lon Uwchmynydd, Aberdaron, Pwllheli, LL53 8BY

Cais i rhyddhau amodau ar ganiatâd cynllunio - C24/0840/30/LL, yn benodol amod (3) yn ymwneud a darparu manylion goleuo. Application to discharge conditions on planning approval- C24/0840/30/LL , namely condition (3) - in relation to submitting lighting details.

Land At Pendre Enterprise Park, Tywyn, LL36 9LW

Codi ffens derfyn, giatiau, trac mynediad ac adeilad storio peiriannau, ynghyd a gosod 3 cynhwysydd llongau 40 troedfedd i bwrpas storio / Erection of perimeter fencing, gates, access track and plant storage building, and siting of 3no. 40ft shipping containers for storage.

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

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

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.

Tŷ Gwyn, 2, CLIFF BUNGALOWS Y Lôn Gam, Nefyn, Pwllheli, Gwynedd, LL53 6ED

Cais ar gyfer rhyddhau amodau ( 3) a (7) o ganiatâd cynllunio C25/0398/42/LL sy'n ymwneud a (3) Gorffeniadau Allanol a (7) cyflwyno Cynllun Rheoli Adeiladu . Application to discharge conditions (3) and (7) of planning permission C25/0398/42/LL in relation to (3) External Finishes and (7) the submission of a Construction Management Plan

AFONLAN, 55 Cae Gwyn, Caernarfon, Gwynedd, LL55 1LL

Gwaith tocio i goeden sy'n destun Gorchymyn Gwarchod Coed. Crown reduction of a tree protected by a Tree Preservation Order.

Harlech Frozen Foods, HARLECH FROZEN FOODS Dwyfor Food Park, Llanystumdwy, Criccieth, Gwynedd, LL52 0LJ

Codi adeilad storio dros dro i ddarparu ar gyfer cynnydd dros dro yn y galw am gynhyrchion. / Erection of a temporary storage building to accommodate a temporary increase in demand for products.

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

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 / Erection of a single storey extension to the side of dwelling house, conversion of attached outbuilding to form part of dwelling and works to repair a separate outbuilding.

CELYN, Llanbedrog, Pwllheli, Gwynedd, LL53 7TY

Gwneud gwaith amrywiol i goed sy’n destun Gorchymyn Gwarchod Coed yn cynnwys lleihau coronau a thocio Various work to trees under a Tree Preservation Order to includes crown reductions and topping

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 / Erection of a single storey extension to the side of dwelling house, conversion of attached outbuilding to form part of dwelling and works to repair a separate outbuilding.

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.

SIBRWD Y GWYNT Morannedd, Criccieth, Gwynedd, LL52 0PP

Cais i rhyddhau amod 6(manylion dwr budur) o ganiatad cynllunio C20/0040/35/LL / Application to discharge condition 6(foul drainage details) o gais cynllunio C20/0040/35/LL

Cyngor Gwynedd, BONTNEWYDD PRIMARY SCHOOL, Bontnewydd, Caernarfon, Gwynedd, LL55 2UF

Cais ar gyfer rhyddhau amodau (4), (13) ac (16) o ganiatâd cynllunio C24/1050/19/LL sy'n ymwneud a (4) darparu rhaglen o waith Archeolegol, (13) cyflwyno Cynllun Rheoli Amgylcheddol Adeiladu (CEMP), (16) cyflwyno arolwg lleoliad asedau, cynllun manwl ac os angen cynllun ddargyfeirio asedau Dwr Cymru / Application to discharge conditions (4), (13) and (16) of planning permission C24/1050/19/LL in relation to (4) providing a specification for a programme of archaeological work, (13) submission of Construction Environmental Management Plan (CEMP), (16) submission of asset location survey, detailed plan and if necessary a scheme to divert the Welsh Water assets.

MORGAN LLOYD, 10 Castle Square, Caernarfon, Gwynedd, LL55 2NF

Uwchraddio'r arwyddion presennol / Upgrade existing signs

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.

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 troedfedd (tua 1.8m) o uchder ar ben y wal is sy’n weddill er mwyn gwella diogelwch ffin. Application for removal of existing black metal railings and reduction of existing brick pillars down to the level of the lower stone boundary wall. Installation of a new 6-foot (approx. 1.8m) weldmesh security fence mounted on top of the remaining lower wall to enhance boundary security.

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 property.

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

Rhyddhau amod 7 (Cynllun Rheoli Sŵn) ac amod 8 (Strategaeth Awyru ac Acwstig) o ganiatâd cynllunio C25/0932/23/LL. Discharge of condition 7 (Noise Management Plan) and condition 8 (Ventilation & Acoustic Strategy) of planning permission C25/0932/23/LL.

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 refurbishment works to the associated staircase and landscaping works

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)

Ynys Gain Bach, YNYS GAIN, Llanystumdwy, Criccieth, Gwynedd, LL52 0SA

Cais am Dystysgrif Datblygiad Cyfreithlon ar gyfer defnydd llety gwyliau tymor byr (C6) / Application for a Certificate of Lawful Development for use as short-term lets (C6)

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

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 the property

Cei Y Gogledd, I'r Gogledd O Ffordd Yr Ysgol Promenade, Abermaw

Darparu amddiffynfeydd môr newydd ar Bromenâd y Gogledd Abermaw gan gynnwys wal gynnal y graig newydd ar y traeth, tynnu grwynau, ailwampio’r wal gynnal goncrid, atgyweirio’r brif wal, gosod cwrb a balwstrad yn lle’r wal ganolog, ail adeiladu’r wal eilaidd, amddiffynfeydd rhag llifogydd dros dro, ailadeiladu ac ymestyn y ramp mynediad, uwchraddio’r briffordd, gwella’r ollyngfa dŵr wyneb ynghyd a gwella nodweddion tirwedd a thir y cyhoedd. Provide new sea defences on Barmouth North Promenade, including a new rock revetment wall on the beach, removal of groynes, refurbishment of the concrete retaining wall, repair of the main wall, installation of a kerb and balustrade in place of the central wall, reconstruction of the secondary wall, temporary flood defences, rebuilding and extension of the access ramp, highway improvements, enhancement of the surface water outfall, together with improvements to landscape features and public land.

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

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 separate self-contained residential unit (C3 use).

Tir Ger Pandy / Land Next To Pandy, Corris, SY20 9RJ

Cais i rhyddhau amodau a ategwyd ar ganiatâd C25/0462/02/LL yn benodol: Amod 10 Cynllun Goleuo; Amod 11 Cynllun Gwyrych/ Ffens llechi; Amod 12 Manylion Tirlunio Caled a Meddal; Amod 15 Enw’r Safle; Amod 16 Cynllun Rheoli; Amod 19 Cynllun Atal LlygreddApplication to discharge conditions imposed on planning approval C25/0462/02/LL namely: Condition 10 Lighting Plan; Condition 11 hedge/Slate Fence Plan; Condition 12 Hard & Soft Landscaping details; Condition15 Name of Site; Condition 16 Management Plan; Condition 19 Pollution Prevention Plan

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. / Demolition of front ground floor canopy and integral balcony and the construction of a ground floor bedroom extension with balcony to first floor.

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

Dymchwel estyniad presennol / Demolition of existing extension

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