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Planning applications in LL55

PlanIndex holds 139 planning applications with LL55 postcodes, the earliest from 2025, the newest from July 2026. 92% of clear-cut decisions were approvals.

139
Applications since 2025
92%
Approved clear-cut outcomes
2
Planning authorities

Applications in LL55

Newest first · page 1 of 3

  • C26/0391/14/HY Status unknown

    Coral, 10 Pool Street, Caernarfon, Gwynedd, LL55 2AB

    Gosod 2 flwch goleuo wed'i goleuo yn fewnol Installation of 2 no internally illuminated lightboxes

    Submitted 1 Jul 2026 Advertising
  • C26/0380/18/LL Status unknown

    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

    Submitted 25 Jun 2026 Full applications
  • C26/0369/14/CC Status unknown

    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.

    Submitted 23 Jun 2026 Trees
  • C26/0356/19/RA Status unknown

    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.

    Submitted 16 Jun 2026 Conditions
  • C26/0357/14/HY Status unknown

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

    Uwchraddio'r arwyddion presennol / Upgrade existing signs

    Submitted 16 Jun 2026 Advertising
  • C26/0354/14/DT Status unknown

    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.

    Submitted 15 Jun 2026 Householder
  • C26/0353/23/RA Status unknown

    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.

    Submitted 12 Jun 2026 Conditions
  • C26/0345/18/LL Status unknown

    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

    Submitted 9 Jun 2026 Full applications
  • C26/0340/14/DT Status unknown

    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

    Submitted 4 Jun 2026 Householder
  • C26/0330/26/DT Status unknown

    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 lean-to roof building incorporating a gym office + WC room.

    Submitted 29 May 2026 Householder
  • C26/0327/26/DT Status unknown

    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-storey porch to the principle elevation.

    Submitted 26 May 2026 Householder
  • C26/0318/18/DT Status unknown

    CREIGLE, Brynrefail, Caernarfon, Gwynedd, LL55 3NY

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

    Submitted 22 May 2026 Householder
  • C26/0303/18/AC Status unknown

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

    Diwygio amod rhif 2 (unol a'r cynlluniau) ar caniatad C24/0977/18/LL i godi uchder to y caffi, gwaith tirlunio a materion draenio / Amend condition number 2 (as per plans) on consent C24/0977/18/LL to increase roof height of cafe, landscaping and drainage matters

    Submitted 18 May 2026 Amendments
  • C26/0304/14/LL Status unknown

    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 Residential Use (C) and erection of rear kitchen extension

    Submitted 18 May 2026 Full applications
  • C26/0299/18/LL Status unknown

    Plot Of Land Near The Railway, PADARN COUNTRY PARK, Llanberis, Gwynedd, LL55 4TY

    Ail-leoli mannau parcio o flaen Amgueddfa Lechi Cymru i leoedd parcio newydd yng nghornel ogledd-orllewinol maes parcio Parc Padarn yn Gilfach Ddu. Relocation of parking from in front of the National Slate Museum to new parking bays in the northwest corner of the Parc Padarn car park at Gilfach Ddu.

    Submitted 15 May 2026 Full applications
  • C26/0292/26/DT Status unknown

    1 Cae Glas, Waunfawr, LL55 4YY

    I godi sied ardd bren. To erect timber garden shed.

    Submitted 12 May 2026 Householder
  • C26/0293/14/LL Status unknown

    Unit 2b, Zone 4, Ystâd Ddiwydiannol Cibyn, Caernarfon, Gwynedd, LL55 2BD

    Mae’r cynnig yn ceisio ailddefnyddio adeilad presennol i ddarparu cyrtiau chwaraeon dan do a chyfleusterau ategol cysylltiedig. Bydd y datblygiad yn cynnwys: • 3 cwrt padel dan do • Derbynfa ac ardal gaffi / gymdeithasol (bar) (ategol) • Cyfleusterau newid a lles • 20 lle parcio ceir • 6 lle parcio beiciau The proposal seeks to reuse an existing building to provide indoor sports courts and associated ancillary facilities. The development will comprise: • 3 indoor padel courts • Reception and café / social area (Bar) (ancillary) • Changing and welfare facilities • 20 car parking spaces • 6 cycle parking spaces

    Submitted 11 May 2026 Full applications
  • C26/0290/23/LL Status unknown

    FFERM GREUOR, Llanrug, Caernarfon, Gwynedd, LL55 2AQ

    Cais llawn i adeiladu lagoon slyri newydd ynghyd a sied amaethyddol newydd. Full application to construct a new slurry lagoon together with a new agricultural shed

    Submitted 7 May 2026 Full applications
  • C26/0289/14/LL Status unknown

    Nationwide Building Society, 30 - 32 Pool Street, Caernarfon, Gwynedd, LL55 2AS

    Gosod peiriant ATM newydd a gwaith cysylltiedig. Installation of a new ATM and associated works

    Submitted 7 May 2026 Full applications
  • C26/0288/14/HY Status unknown

    Nationwide Building Society, 30 - 32 Pool Street, Caernarfon, Gwynedd, LL55 2AS

    Gosod arwyddion ATM wedi eu goleuo yn fewnol . I nternally illuminated ATM signage.

    Submitted 7 May 2026 Advertising
  • C26/0286/14/DT Status unknown

    GLAN TRAETH North Road, Caernarfon, Gwynedd, LL55 1BE

    Codi balconi hygyrch i ddefnyddwyr cadair olwyn ar gefn yr eiddo. Erection of a raised wheelchair accessible balcony to the rear of the property.

    Submitted 6 May 2026 Householder
  • C26/0279/14/LL Status unknown

    NORTH WALES FIRE STATION Llanberis Road, Caernarfon, Gwynedd, LL55 2DF

    Gosod tanc tanwydd i storio olew llysiau wedi'i drin â hydrogen. Installation of a fuel tank to store hydrotreated vegetable oil.

    Submitted 5 May 2026 Full applications
  • C26/0283/26/LL Status unknown

    Smithy, Bryn Mor, Waunfawr, LL55 4EZ

    Newid defnydd o adeilad presennol Dosbarth Defnydd B2 (gof) i uned storio amaethyddol. Change of use of existing Class Use B2 Smithy to agricultural storage unit

    Submitted 5 May 2026 Full applications
  • C26/0270/26/DT Granted

    WEIRGLODD DYWYLL, Waunfawr, Caernarfon, Gwynedd, LL55 4AX

    Estyniad deulawr arfaethedig, ystafell haul a modurdy ddwbl newydd Proposed two storey extension, conservatory and new double garage

    Submitted 30 Apr 2026 Householder
  • C26/0263/14/DT Granted

    16 Cae Mur, Caernarfon, Gwynedd, LL55 1DA

    Estyniad deulawr i ochr yr annedd a chreu tri lle parcio ceir o flaen yr annedd. Two storey extension to the side of dwelling and creation of three car parking spaces at front of dwelling.

    Submitted 27 Apr 2026 Householder
  • C26/0255/18/RA Status unknown

    NATIONAL GRID CO PLC, Llanddeiniolen, Caernarfon, Gwynedd, LL55 3AN

    Cais i ryddhau amod 10 o ganiatâd cynllunio gwreiddiol C25/0554/18/LL i gyflwyno cynllun dileu rhywogaethau anfrodorol ymledo cyn i unrhyw ddatblygiad ddigwydd. l. Discharge of condition 10 to submit an invasive non-native species eradication plan before any development takes place.

    Submitted 23 Apr 2026 Conditions
  • C26/0238/15/LL Status unknown

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

    Codi ty annedd newydd. Erection of new dwelling

    Submitted 16 Apr 2026 Full applications
  • C26/0205/23/RA Status unknown

    Tir Oddi Ar Ffordd Glanffynnon, Llanrug, LL55 4PT

    Rhyddhau amodau 4 (gorffeniad allanol), 9 (llechi), 12 ( Cynllun Rheoli’r Amgylchedd Adeiladu) a 18 ( manylion unedau pympiau ffynhonnell aer) o ganiatâd cynllunio C25/0651/23/LL. Discharge of conditions 4 (external finish), 9 (slates), 12 ( Construction Environmental Management Plan ) and 18 (details of air source pump units) of planning permission C25/0651/23/LL.

    Submitted 31 Mar 2026 Conditions
  • C26/0204/14/LL Status unknown

    Lloyds Tsb Bank Plc, Lloyds Tsb Bank, 15 - 17 Pool Street, Caernarfon, Gwynedd, LL55 2AD

    Trosi uned llawr gwaelod bresennol yn ddwy uned ar wahân. Newid defnydd y llawr cyntaf, yr ail a'r trydydd llawr yn 4 fflat preswyl. Convert existing ground floor unit into two separate units. Change of use of first, second and third floor into 4 residential flats.

    Submitted 31 Mar 2026 Full applications
  • C26/0197/23/LL Status unknown

    Land North Of Plastirion Ter (a4086), Llanrug, LL55 4AW

    Codi Siop Gyfleustra Unllawr (Co-op) gyda Pharcio a Mynediad Cysylltiedig. Erection of a Single Storey Convenience Store (Co-op) with Associated Parking and Access.

    Submitted 27 Mar 2026 Full applications
  • C26/0191/26/DT Status unknown

    Lloches, Waunfawr, Caernarfon, Gwynedd, LL55 4YS

    Estyniad cefn arfaethedig Proposed rear extension

    Submitted 26 Mar 2026 Householder
  • C26/0183/14/RA Status unknown

    Former Menai Meats Abattoir, Cibyn Industrial Estate, Caernarfon, Gwynedd, LL55 2BD

    Rhyddhau amod 3 (lliw), 10 ( cynllun i naill ai gwarchod y cyflwr strwythurol neu wyro’r brif bibell ddŵr) ac 11 ( cynllun draenio dŵr budr) o ganiatad cynllunio C23/0936/14/LL. Release condition 3 (colour), 10 ( details of a scheme to either protect the structural condition or divert the water main ) and 11 (foul water drainage scheme) of planning permission C23/0936/14/LL.

    Submitted 19 Mar 2026 Conditions
  • C26/0185/23/DA Refused

    AFONWY COTTAGE, Pontrug, Caernarfon, Gwynedd, LL55 2SW

    Diwygiad ansylweddol i ganiatâd cynllunio C21/1061/23/LL er mwyn newid lleoliad y modurdy dwbl. Non-material amendment to planning permission C21/1061/23/LL in order to change the location of the double garage.

    Submitted 17 Mar 2026 Amendments
  • C26/0174/23/RA Status unknown

    Tir Oddi Ar Ffordd Glanffynnon, Llanrug, LL55 4PT

    Rhyddhau amod 2 ( cyflwyno cynllun ar gyfer datblygu tai fforddiadwy) o hawl cynllunio C25/0651/23/LL. Release of condition 2 ( scheme for the provision of affordable housing) from planning permission C25/0651/23/LL.

    Submitted 16 Mar 2026 Conditions
  • C26/0172/14/HT Status unknown

    Manweb District Tower, St Helens Road, Caernarfon, LL55 2YB

    Gosod 1 generadur pŵer a datblygiad ategol iddo Installation of 1 no. power generator and ancillary development thereto

    Submitted 13 Mar 2026 Telecoms
  • C26/0173/26/RA Granted

    FFERM CROSS Ffordd Y Waunfawr, Waunfawr, Caernarfon, Gwynedd, LL55 4YS

    Cais i rhyddhau amodau 13 (Cynllun Amgylcheddol Rheoli Adeiladwaith), 14 (Cynllun Gwelliannau Bioamrywiaeth a Rheoli Cynefin) a 15 (Asesiad Risg Diogelwch-Bio) ar gais cynllunio C21/0175/26/LL. Release of conditions 13 (Construction Management Environmental Plan), 14 (Biodiversity Enhancement and Habitat Management Plan) and 15 (Bio-Security Risk Assessment) on planning application C21/0175/26/LL.

    Submitted 13 Mar 2026 Reserved matters
  • C26/0170/23/RA Decided

    Tir Oddi Ar Ffordd Glanffynnon, Llanrug, LL55 4PT

    Rhyddhau amod 7 ( cynllun ymchwilio archeoleg ysgrifenedig) ar ganiatad Cynllunio C25/0651/23/LL. Discharge condition 7 (written scheme of investigation for archaeological work) on Planning permission C25/0651/23/LL

    Submitted 13 Mar 2026 Conditions
  • C26/0164/23/DT Status unknown

    PLAS TIRION LODGE, Pontrug, Caernarfon, Gwynedd, LL55 2SW

    Estyniadau, newidiadau a gwaith cysylltiedig arfaethedig Proposed extensions, alterations and associated works

    Submitted 12 Mar 2026 Householder
  • C26/0158/14/DT Granted

    BRYN GWYN, 24 St David's Road, Caernarfon, Gwynedd, LL55 1BH

    Estyniad cefn arfaethedig a newidiadau mewnol Proposed rear extension and internal alterations

    Submitted 9 Mar 2026 Householder
  • C26/0140/15/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 (‘c’ ac ‘i’) ‘Cod Ymarfer Adeiladu’ 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 (‘c’ & ‘i’) ‘Code of Construction Practice’ 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 3 Mar 2026 Conditions
  • C26/0143/14/CR Status unknown

    Albert Inn, 10 Segontium Terrace, Caernarfon, Gwynedd, LL55 2PN

    Addasiadau mewnol i drosi cyn dy tafarn yn dy annedd / Internal alterations to convert the former public house into dwelling house

    Submitted 3 Mar 2026 Heritage and listed buildings
  • C26/0139/18/LL Status unknown

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

    Gosod isbwerdy drydan a chyfansoddyn storio sgip gwastraff ynghyd â’r gwaith cysylltiedig / Installation of an electric sub-station and waste skip store compound and associated works

    Submitted 2 Mar 2026 Full applications
  • C26/0115/14/HD Status unknown

    National Tyre & Autocare Bank Quay, Caernarfon, Gwynedd, LL55 1SU

    Hysbysiad ymlaen llaw i ddymchwel modurdy. Prior notification for the demolition of garage.

    Submitted 23 Feb 2026 Prior approval
  • C26/0113/23/DT Granted

    1, Fron Oleu, Ceunant, Caernarfon, Gwynedd, LL55 4RT

    Estyniad deulawr i ochr yr eiddo. Erection of a two-storey extension to the side of the property.

    Submitted 23 Feb 2026 Householder
  • C26/0104/18/LL Status unknown

    Rhyd Y Galen Caravan Park Ffordd Bethel, Bethel, Caernarfon, Gwynedd, LL55 1UL

    Cais Cynllunio llawn ar gyfer gosod 22 o safleoedd carafanau teithiol, cwt bugail fel ardal ymolchi ynghyd â gwelliannau tirwedd ac amgylcheddol ym Mharc Carafanau a Gwersylla Rhyd y Galen. Full planning application for the location of 22 Touring Unit pitches, Shepherd’s Hut washing facility, together with landscape and environmental improvements at Rhyd y Galen Caravan and Camping Park.

    Submitted 16 Feb 2026 Full applications
  • C26/0105/14/LL Status unknown

    Modurdai Lôn Eilian, Caernarfon, LL55 2DS

    Dymchwel modurdai presennol a chodi pedair uned fforddiadwy, ynghyd â gwaith cysylltiedig. Demolition of existing garages and erection of four affordable units, along with associated works.

    Submitted 13 Feb 2026 Full applications
  • C26/0089/14/AC Granted

    22 Stryd Bangor, Caernarfon, LL55 1AT

    Diwygio amod rhif 2 (unol a'r cynlluniau) ar gais rhif C19/0879/14/CR i ddiwygio'r gosodiad mewnol / Amend condition 2 (as per plans) on consent no C19/0879/14/CR to vary internal layout

    Submitted 12 Feb 2026 Amendments
  • C26/0089/14/RA Status unknown

    22 Stryd Bangor, Caernarfon, LL55 1AT

    Diwygio amod rhif 2 (unol a'r cynlluniau) ar gais rhif C19/0879/14/CR i ddiwygio'r gosodiad mewnol / Amend condition 2 (as per plans) on consent no C19/0879/14/CR to vary internal layout

    Submitted 12 Feb 2026 Conditions
  • C26/0093/18/DT Status unknown

    24 Y Ddôl, Bethel, Caernarfon, Gwynedd, LL55 1RE

    Dymchwel darn unllawr cefn ac ochor presennol yr eiddo a chodi estyniad deulawr i ochr yr eiddo ac estyniad unllawr newydd i gefn yr eiddo (addasiadau i gynllun a gymeradwywyd yn flaenorol) Demolish the existing one-storey rear and side part of the property and erect a two-storey side extension and a new single-storey rear extension (Alterations to Previously Approved Scheme).

    Submitted 12 Feb 2026 Householder
  • C26/0090/14/DA Granted

    22 Stryd Bangor, Caernarfon, LL55 1AT

    Diwygiad ansylweddol i gais C19/0880/14/LL i newid y gosodiad mewnol / Non-material amendment to consent C19/0880/14/LL to amend internal layout

    Submitted 12 Feb 2026 Amendments