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Planning applications in LL36

We hold 609 planning applications for the LL36 postcode area, 28 of them submitted in the past year. 93% of decided applications here were approved. A decision typically takes 56 days. The area is covered by Gwynedd, Snowdonia.

609
applications held
28
in the past year
93%
approved
56 days
median decision

Councils covering LL36

Gwynedd (581)Snowdonia (28)

Recent applications in LL36

Pending
Full
22 Sept 2026NP5/55/78K
Penowern, Bryncrug. LL36 9NUSnowdonia

Agricultural building

Pending
Full
21 Sept 2026NP5/79/84A
Bodtalog, Tywyn. LL36 9HSSnowdonia

Air-Source Heat Pump & Solar Panels

Pending
Full
30 Jul 2026NP5/67/356
5 Tan y Fedw, Abergynolwyn. LL36 9YUSnowdonia

Extension

Permitted
Small
Full
9 Jul 2026NP5/55/234B
Land near Dolgoch Farm, Bryncrug. LL36 9UPSnowdonia

Siting of a diesel generator, internal upgrades to the existing meter cabinet and ancillary development

Pending
Full Planning
30 Jun 2026C26/0392/09/LL
THE VICTORIA-N-SLIPWAY Marine Parade, Tywyn, Gwynedd, LL36 0DGGwynedd

Estyniad i Dŷ Tafarn ynghyd â gwaith allanol cysylltiedig / Extension to Public House and associated external works

Pending
Approval of Details Reserved by Condition
27 Jun 2026C26/0385/09/RA
TREFRI Brynhyfryd Road, Tywyn, Gwynedd, LL36 9HGGwynedd

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

Pending
Full Planning
24 Jun 2026C26/0378/09/LL
Land At Pendre Enterprise Park, Tywyn, LL36 9LWGwynedd

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.

Permitted
Small
Discharge of Conditions
23 Jun 2026NP5/79/338D
Erw Faethlon, Cwm Maethlon, Tywyn. LL36 9HYSnowdonia

Discharge Conditions 3 (Archaeological work) & 10 (External render) attached to Planning Permission NP5/79/338C dated 01/05/2025

Pending
Householder Planning
19 Jun 2026C26/0365/09/DT
11 Corbett Close, Tywyn, Gwynedd, LL36 0BLGwynedd

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

Pending
Full Planning
15 Jun 2026C26/0355/09/LL
Cyngor Gwynedd, PENYBRYN SCHOOL Ffordd Cadfan, Tywyn, Gwynedd, LL36 9EFGwynedd

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.

Pending
Householder Planning
1 Jun 2026C26/0331/09/DT
TRESDDOLEN, 23 Ffordd Cadfan, Tywyn, Gwynedd, LL36 9EEGwynedd

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

Pending
Non-Material Amendment
15 May 2026C26/0302/09/DA
Land Adjacent To Bryn Garreg Lwyd, Tywyn, LL36 9HEGwynedd

Cais am ddiwygiadau di-faterol i ganiatad cynllunio PIAW5/79/134 er mwyn gwneud man newidiadau i ddyluniadau’r tai a man newid i osodiad / Application for non-material amendments to planning approval PIAW5/79/134 in order to make minor changes to house designs and minor change to layout

Pending
Full Planning
5 May 2026C26/0278/09/LL
FIRE STATION, 27 - 28 Pendre Industrial Estate, Tywyn, Gwynedd, LL36 9LWGwynedd

Cais i osod tanc i storio tanwydd Olew Llysiau Hydrodrio / Application for the installation of a fuel tank to store hydrotreated vegetable oil

Pending
Householder Planning
1 May 2026C26/0273/09/DT
1 Bryn Y Paderau Estate, Tywyn, Gwynedd, LL36 9LAGwynedd

Estyniad un llawr i gefn yr eiddo. Single storey extension to rear of property.

Pending
Lawful Development Certificate Existing/Proposed
20 Apr 2026C26/0250/09/TC
OLD BAKERY COTTAGE High Street, Tywyn, Gwynedd, LL36 9AEGwynedd

Cais am Dystysgrif Datblygiad Cyfreithlon ar gyfer Defnydd presennol cyn Fecws yn dy annedd (Dosbarth Defnydd C3) Application for a Lawful Development Certificate for the existing use of a former Bakery as a dwelling house (C3 Use Class)

Permitted
Small
Full
17 Apr 2026NP5/55/240
Llwyn Glas, Bryncrug. LL36 9RWSnowdonia

Alterations and extensions

Pending
Householder Planning
17 Apr 2026C26/0242/09/DT
HEDDWCH, 3 Bryn Y Paderau Estate, Tywyn, Gwynedd, LL36 9LAGwynedd

CAIS I GREU ESTYNIADAU AR GEFN AC OCHR YR EIDDO. GOSTWNG UCHDER Y SILIAU I DRI O'R FFENESTRI LLOFFT. YCHWANEGU DWY FFENEST GROMEN I DDRYCHIAD BLAEN YR EIDDO. CODI YSTAFELL ARDD YN NGHORNEL GOGLEDD DDEHEUOL YR ARDD / APPLICATION FOR SIDE AND REAR EXTENSIONS. LOWER THE HEIGHT OF THE WINDOW SILLS TO THREE OF THE BEDROOMS. INSTALLATION OF TWO DORMER WINDOWS TO THE PRINCIPAL ELEVATION. ERECTION OF A GARDEN ROOM IN THE NORTH EASTERN CORNER OF THE GARDEN

Permitted
Small
Full
15 Apr 2026NP5/67/55A
T"} Gwyn, Abergynolwyn. LL36 9UPSnowdonia

Installation of a sewage treatment plant to replace the existing foul drainage system

Permitted
Small
Prior Notification
19 Mar 2026NP5/55/234A
Land near Dolgoch Farm, Bryncrug. LL36 9UPSnowdonia

Prior notification under part 24 of the Town & Country Planning (General Permitted Development) Order 1995 (as amended) to install a diesel generator, internal upgrades to existing meter cabinet and ancillary development

Pending
Approval of Details Reserved by Condition
19 Mar 2026C26/0182/09/RA
Land Adjacent Top Glan Y Mor Marine Parade, Tywyn , LL36 0DJGwynedd

Rhyddhau amod 12 (cyflwyno cynllun gwaredu dŵr budr a dŵr wyneb ) o ganiatad Cynllunio C20/0981/09/LL ar gyfer datblygiad preswyl Release of condition 12 (scheme for the disposal of foul and surface water) on Planning permission C20/0981/09/LL for residential development.

Pending
Removal/Variation of Condition(s)
24 Feb 2026C26/0120/09/AC
Site Off: Assembly Terrace, North Of Corbet Lodge, Brook Street, Tywyn, LL36 9DPGwynedd

Cais i ddiwygio amod 2(cynlluniau cymeradwy) o ganiatâd cynllunio(C24/0355/09/LL) / Application to amend condition 2(approved plans) of planning permission(C24/0355/09/LL)

Pending
Non-Material Amendment
24 Feb 2026C26/0116/09/DA
Land Adjacent Top Glan Y Mor Marine Parade, Tywyn , LL36 0DJGwynedd

Cais diwygiad ansylweddol i ddiwygio geiriad amod 8 (tai fforddiadwy) o ganiatâd cynllunio C20/0981/09/LL er mwyn cytuno manylion unedau fforddiadwy cyn gosod unrhyw slabiau/sylfeini o'r unedau hynny yn lle cyn cychwyn unrhyw ddatblygiad ar y safle. Non material amendment application to amend the wording of condition 8 (affordable housing) of planning permission C20/0981/09/LL in order to agree the details of affordable units prior to the laying of any slabs/foundations of those units instead of prior to the commencement of any development on the site.

Pending
Removal/Variation of Condition(s)
23 Feb 2026C26/0118/09/AC
GOLDEN SANDS Marine Parade, Tywyn, Gwynedd, LL36 0DGGwynedd

Cais i ddiwygio amod 2 a 9(cynlluniau cymeradwy) o ganiatad cynllunio(C24/0526/09/LL) / Application to amend condition 2 & 9(approved plans) on planning permission(C24/0526/09/LL)

Permitted
Small
Full
20 Feb 2026NP5/55/250
5 Dol Fathew, Bryncrug. LL36 9PXSnowdonia

Retrospective application for the change of use of land shown as a “hedge screen & wildlife zone” on Planning Consent NP5/55/5C to residential curtilage, and the formation of a car parking area in association with landscaping on land opposite

Conditions
Small
Full
27 Jan 2026NP5/55/248
18 Y Groesffordd, Bryncrug. LL36 9RPSnowdonia

Retrospective application for roof window and external wall insulation

Conditions
Small
Full
17 Oct 2025NP5/55/T21J
Tyn Llwyn Hen, Bryncrug. LL36 9RESnowdonia

Erection of a replacement oak sunroom, re-alignment of roof structure and reinstating a chimney stack

Permitted
Small
Certificate of lawful use (Existing)
7 Oct 2025NP5/55/LU52F
Ty'n Llwyn Caravan & Camping Park, Bryncrug. LL36 9RDSnowdonia

Certificate of Lawful Use (Existing) for the stationing of 8 touring caravans throughout the year and occupied between the period 1st March to 31st October in any one year

Pending
Householder Planning
25 Sept 2025C25/0699/09/DT
LLUESTY Brynhyfryd Road, Tywyn, Gwynedd, LL36 9HGGwynedd

Adeiladu modurdy dwbl yn lle'r modurdy sengl presennol Construction of double garage in lieu of existing single garage

Pending
Approval of Details Reserved by Condition
23 Sept 2025C25/0698/09/RA
Land Adjacent Top Glan Y Mor Marine Parade, Tywyn , LL36 0DJGwynedd

Rhyddhau amodau 3 (Llechi) , 4 (gorffeniad allanol) a 8 (tirlunio caled a meddal) ar ganiatad Cynllunio C20/0981/09/LL Discharge condition 3 (slates), 4 (external finish) and 8 (hard and soft landscaping) on Planning permission C20/0981/09/LL

Pending
Full Planning
19 Aug 2025C25/0593/09/LL
4, PENDRE GARDENS Brook Street, Tywyn, Gwynedd, LL36 9DSGwynedd

Adeiladu annedd sengl (dosbarth defnydd C3) Erection of single dwelling (C3 use class)

Pending
Full Planning
17 Jun 2025C25/0450/09/LL
TYWYN BAPTIST CHURCH High Street, Tywyn, Gwynedd, LL36 9AFGwynedd

Tynnu'r wal barapet bresennol i'r drychiad gogleddol ac ymestyn llinell y to dros wal dalcen i ffurfio ymyl gordo wedi ei focsio. Tynnu rendr sment presennol a gosod rendr calch lliw newydd. Removal of existing parapet wall to north elevation and extending roofline over gable wall to form overhanging boxed verge. Hack off existing cement rended and apply new coloured lime render.

Pending
Listed Building Consent
29 May 2025C25/0403/09/CR
CORBETT ARMS HOTEL Corbett Square, Tywyn, Gwynedd, LL36 9DGGwynedd

Cais am ganiatâd adeilad rhestredig[LBC] ar gyfer gwaith dad-adeiladu a dymchwel rhannol yr adeilad yn raddol, a’r gwaith cynhaliaeth sydd ei angen i sefydlogi y strwythur sydd yn weddill / Listed building consent (LBC) for the phased partial deconstruction and demolition of the building, and required support works to stabilise remaining structure.

Pending
Full Planning
7 May 2025C25/0350/09/LL
40 High Street, Tywyn, LL36 9ADGwynedd

Newid defnydd o ran o ardal arddangos siop i ddefnydd caffi ar gyfer bwyta bwyd a diod ar y safle Change of use from part of shop display area into cafe use for consuming food and beverages on the premises

Conditions
Small
Listed Building Consent
7 May 2025NP5/67/LB221A
4 Tan-y-Bryn, Abergynolwyn. LL36 9UYSnowdonia

Listed Building Consent to dismantle existing chimney, install damp proof trays, and rebuild chimney using existing materials

Conditions
Small
Full
7 May 2025NP5/67/349
5 Bron y Gader, Abergynolwyn. LL36 9YHSnowdonia

Retrospective application for the installation of photovoltaic panel on the front roof elevation of the dwellinghouse

Pending
Approval of Details Reserved by Condition
4 Apr 2025C25/0270/09/RA
Cyngor Gwynedd, TYWYN SECONDARY SCHOOL Station Road, Tywyn, Gwynedd, LL36 9EUGwynedd

Rhyddhau amod 4 (manylion tirlunio) ar ganiatad cynllunio C23/0510/09/LL Discharge of condition 4 (landscaping details) on planning permission C23/0510/09/LL

Pending
Full Planning
24 Mar 2025C25/0236/09/LL
TYDDYN DU High Street, Tywyn, Gwynedd, LL36 9ADGwynedd

Newid defnydd o gaffi (A3) i wasanaeth deintyddol (D1). Change of use from cafe (A3) to dental practice (D1).

Pending
Approval of Details Reserved by Condition
11 Mar 2025C25/0190/09/RA
Tir Ger Mast Cyfathrebu, Sandilands Road, Tywyn, LL36 9APGwynedd

Rhyddhau amod 2 (adroddiad gwirio) ar ganiatad cynllunio C24/0431/09/HD Discharge of condition 2 (verification report) on planning permission C24/0431/09/HD

Conditions
Small
Full
20 Feb 2025NP5/64/195
32 Maesegryn, Llanegryn. LL36 9SHSnowdonia

Installation of air source heat pump

Conditions
Small
Full
12 Feb 2025NP5/55/245
Fferm Bont, Bryncrug. LL36 9PHSnowdonia

Installation of two ground-mounted air-source heat pumps within residential curtilage

Pending
Non-Material Amendment
5 Feb 2025C25/0082/09/DA
PENTRE POETH National Street, Tywyn, Gwynedd, LL36 9DBGwynedd

Diwygiad ansylweddol i ganiatad cynllunio C23/0562/09/LL er mwyn gwneud addasiadau i ddyluniad yr annedd arfaethedig: - Llawr Daear Wal Gogledd Ffenestr ystafell fyw wedi ei thynnu. - Llawr Daear Wal Gorllewin Agoriad i ystafell fyw wedi ei newid i ddrws llithro, maint y gwydriad wedi ei newid. -Llawr Daear ffenestr gogledd ystafell ymolchi wedi ei symud i'r wal dwyreiniol. - Pyst allanol ar yr edrychiad gorllewinol wedi ei lleihau o 4 i 2. - Storfa batri allanol newydd wedi ei ychwanegu i gornel gogledd ddwyrain y tŷ. Non material amendment to planning permission C23/0562/09/LL to make alterations to the design of the proposed dwelling : - GF North Wall Living room window removed. - GF West Wall Opening living room changed to a sliding door, overall glazing dimension changed. - GF North Window Bathroom moved to the East wall. - External posts reduced from 4 to 2, at the West elevation. - New external battery storage added at the North-East corner of the house.

Pending
Full Planning
28 Jan 2025C25/0055/09/LL
Môr Tywyn, LLYS AWEL High Street, Tywyn, Gwynedd, LL36 9ADGwynedd

Blaen s iop newydd gan gynnwys darparu agorfa weini ar gyfer defnydd A1 i ategu ' r defnydd A3 presennol gan gynnwys bwyd poeth i’w gario allan Replacement shop front including provision of serving hatch for A1 use to compliment existing A3 use including hot food takeawy.

Pending
Approval of Details Reserved by Condition
27 Jan 2025C25/0056/09/RA
Land Adjacent Top Glan Y Mor Marine Parade, Tywyn , LL36 0DJGwynedd

Rhyddhau amodau 10 (cynllun tai fforddiadwy) a 12 (cynllun gwaredu dŵr budr a dŵr wyneb) ar ganiatad cynllunio C20/0981/09/LL Discharge conditions 10 (affordable housing scheme) and 12 (scheme for disposal of foul and surface water) on planning permission C20/0981/09/LL

Conditions
Small
Full
7 Jan 2025NP5/64/86G
Nant y Cynog, Llanegryn. LL36 9LNSnowdonia

Erection of roof over existing agricultural yard

Pending
Householder Planning
28 Nov 2024C24/1041/09/DT
Flat 1, London House, 1 Maengwyn Street, Tywyn, Gwynedd, LL36 9DWGwynedd

Gosod pwmp gwres i ddarparu gwres a dŵr poeth. Installation of heat pump to provide heating and hot water.

Pending
Full Planning
25 Nov 2024C24/1027/09/LL
Trefri Brynhyfryd Road, Tywyn, Gwynedd, LL36 9HGGwynedd

Newid defnydd tŷ annedd i greu llety dros nos i wirfoddolwyr ac ardal swyddfa yn gysylltiedig gyda Rheilffordd Talyllyn gan gynnwys adeiladu estyniad i ffurfio ystafell wely hygyrch ac ardal swyddfa, ynghyd a chreu llefydd parcio Change of use of dwellinghouse to overnight accommodation for volunteers and office space associated with the Talyllyn Railway including the construction of an extension to form accessible bedroom and office space, along with the formation of parking area

Pending
Householder Planning
20 Nov 2024C24/1007/09/DT
2 Garreg Lwyd, Tywyn, Gwynedd, LL36 9HEGwynedd

Cais ar gyfer dymchwel ystafell haul bresennol a chodi estyniad yn ei le ar y prif ddrychiad. Application for removal of existing sun room and replacement with extension to the principle elevation.

Pending
Householder Planning
19 Nov 2024C24/0992/09/DT
1 Bishton Walk, Tywyn, Gwynedd, LL36 0BPGwynedd

Gosod pwmp gwres aer 7kW ar ddrychiad gogledd-orllewinol yr eiddo. Installation of 7kW ASHP on north-west elevation of property

Pending
Full Planning
18 Nov 2024C24/0986/09/LL
Cyngor Gwynedd, PENYBRYN SCHOOL Ffordd Cadfan, Tywyn, Gwynedd, LL36 9EFGwynedd

Dymchwel gegin ag ardal bwyta ysgol presennol 'pre fab' ac adeiladu estyniad gegin newydd Demolish existing pre-fab kitchen and school eating area and construction of new kitchen extension

Pending
Full Planning
6 Nov 2024C24/0942/09/LL
Garage And Store Gwalia Road, Tywyn, Gwynedd, LL36 9DHGwynedd

Adeiladu adeilad dur newydd i gartrefu ardal brawf MOT (B2). Construction of new steel building to house MOT test area (B2).