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Planning applications in LL51

We hold 75 planning applications for the LL51 postcode area, 5 of them submitted in the past year. 89% of decided applications here were approved. A decision typically takes 58 days. The area is covered by Gwynedd, Snowdonia.

75
applications held
5
in the past year
89%
approved
58 days
median decision

Councils covering LL51

Gwynedd (67)Snowdonia (8)

Recent applications in LL51

Pending
Full Planning
19 May 2026C26/0305/36/LL
LLYSTYN GWYN, Bryncir, Garndolbenmaen, Gwynedd, LL51 9LXGwynedd

Codi adeilad amaethyddol newydd ar gyfer cadw gwartheg o dan do dros y gaeaf gyda storfa slyri o dan y llawr. Erection of a new agricultural building for keeping cattle under cover over the winter with slurry storage under the floor.

Conditions
Small
Full
9 Mar 2026NP2/16/468B
Beudy'r Garth, Cwmystradllyn. LL51 9BQSnowdonia

Erection of garden room

Conditions
Small
Full
26 Jan 2026NP2/16/306B
Isallt Bach, Golan, Garndolbenmaen. LL51 9AQSnowdonia

Erection of detached garage

Pending
Medium
Environmental Impact Assessment
24 Dec 2025C25/0949/36/EIA
Land South Of A487, Glan Dwyfach, Garndolbenmaen, LL51 9PQGwynedd

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.

Pending
Approval of Details Reserved by Condition
13 Nov 2025C25/0828/36/RA
Chwarel Bryncir, Llystyn Gwyn, Bryncir, Garndolbenmaen, LL51 9LXGwynedd

Cais ar gyfer rhyddhau amodau 13 (Manylion cludwyr gwregys agregau a byrddau gwynt) ac 14 (Manylion rheoli allyriadau) o ganiatâd cynllunio cyfeirnod C25/0346/36/LL Application to discharge condition 13 (Detail of wind board protection for conveyor and hood transfer point) and condition 14 (Detail of emission controls) of planning permission reference C25/0346/36/LL

Refused
Small
Full
29 Aug 2025NP2/16/2G
Bryn Awelon, Garndolbenmaen. LL51 9UJSnowdonia

Construction of detached two storey 3 bay garage with office on first floor

Pending
Full Planning
1 May 2025C25/0346/36/LL
Chwarel Bryncir, Llystyn Gwyn, Bryncir, Garndolbenmaen, LL51 9LXGwynedd

Codi a gweithredu offer sypynnu concrit sefydlog, 3 seilo deunyddiau ac offer cysylltiedig i ddisodli offer a seilos symudol presennol / Installation and operation of a fixed concrete batching plant and 3 material silos and associated equipment to replace existing mobile plant and silos

Withdrawn
Small
Full
16 Apr 2025NP2/16/71A
Glan-yr-Afon, Garndolbenmaen. LL51 9UXSnowdonia

Replacement of a conservatory Demolition of attached garage and erection of two storey extension with balcony

Pending
Full Planning
20 Jan 2025C25/0034/36/LL
Rhwng Ddwyryd, Garndolbenmaen, Gwynedd, LL51 9LQGwynedd

To dros iard amaethyddol a storfa biswail presennol. Roof over existing agricultural yard and surry store.

Conditions
Small
Full
11 Jul 2024NP2/16/389G
Beudy Parc, Golan, LL51 9AQSnowdonia

Construction of single storey extension to rear elevation

Conditions
Small
Full
10 May 2024NP2/16/442
Coed Hendre Ddu, Cwm Pennant, Garndolbenmaen. LL51 9AXSnowdonia

Creation of footpath link through woodland to include raised boardwalks, bridges, waymarkers. benches and interpretation panels,

Pending
Removal/Variation of Condition(s)
26 Feb 2024C24/0146/36/AC
Chwarel Bryncir, Llystyn Gwyn, Bryncir, Garndolbenmaen, LL51 9LXGwynedd

Cais o dan Adran 73 ar gyfer diwygio amod rhif 1 ganiatâd cynllunio C09A/0375//36/LL ar gyfer gosod offer paratoi concrid parod a dau seilo symudol ychwanegol / Application under Section 73 to amend condition 1 of planning permission for an additional mobile concrete batching plant and 2 mobile silos

Withdrawn
Small
Full
11 Dec 2023NP2/16/L304H
Ty'r Ysgol, Cwm Pennant, Garndolbenmaen. LL51 9AXSnowdonia

Erection of single storey extension to dwelling, change of use of agricultural land to residential curtilage and erection of two timber sheds

Pending
Small
Full Planning
28 Jun 2023C23/0522/36/LL
Llecheiddior Uchaf, Bryncir, Garndolbenmaen, Gwynedd, LL51 9EZGwynedd

Cais ar gyfer gwneud estyniad fertigol i bwll tywod a graean ynghyd a ôl-lenwi ac adfer i ddefnydd amaethyddol / Application for a vertical extension of existing sand and gravel pit, partial backfilling and site restoration to agriculture.

Pending
Medium
Removal/Variation of Condition(s)
21 Oct 2022C22/0977/36/AC
Llecheiddior Uchaf, Bryncir, Garndolbenmaen, Gwynedd, LL51 9EZGwynedd

Cais o dan Adran 73 i amrywio amodau 2, 5 a 37 o ganiatâd cynllunio C12/0495/36/MW er mwyn ymestyn yr amser ar gyfer cloddio a gweithio deunydd hyd at 31/12/2030 ac adfer y safle erbyn 31/12/2031, cynyddu allbwn blynyddol o ddeunydd o'r safle i 100,000 tunnell ar gyfradd gyfartalog o 14 llwyth y diwrnod a defnyddio deunydd sydd heb ddeillio o'r gweithgareddau sydd wedi eu caniatáu o fewn cynllun adfer / Application under Section 73 to vary conditions 2, 5 and 37 of planning permission reference C12/0495/36/MW so as to extend the period for the winning and working of mineral up to 31/12/2030 and restoration of the site by 31/12/2031, increase annual output of material from the site to 100,000 tonnes at an average rate of 14 loads per day and use material that has not derived from the operations permitted on site as part of the restoration plan.

Conditions
Small
Full Planning
3 Dec 2021C21/1161/36/LL
Llecheiddior Uchaf, Bryncir, Garndolbenmaen, Gwynedd, LL51 9EZGwynedd

Creu pwll piswail o dan llawr adeilad amaethyddol presennol Creation of slurry pit underneath the floor of an existing agricultural building

Conditions
Small
Householder Planning
28 Oct 2021C21/1047/36/DT
Tai Newyddion, Cennin, Garndolbenmaen, Gwynedd, LL51 9EXGwynedd

Dymchwel y porth presennol, creu lolfa wydr yn y cyswllt rhwng y prif dy a'r adeilad allanol gyda teras o'i flaen gan greu llofft ychwanegol o fewn yr adeilad allanol gyda mynediad o'r cyswllt newydd Demolish existing porch, create conservatory with terrace in front to link main house with outbuilding and creation of new bedroom within outbuilding with access from the new link

Conditions
Small
Full Planning
16 Apr 2021C21/0394/36/LL
Llystyn Isaf, Bryncir, Garndolbenmaen, Gwynedd, LL51 9LXGwynedd

Codi to uwchben pwll piswail a iard fwydo amaethyddol presennol Install roof on existing agricultural slurry pit and feeding shed

Conditions
Small
Householder Planning
4 May 2020C20/0366/36/DT
Llecheiddior Uchaf, Bryncir, Garndolbenmaen, Gwynedd, LL51 9EZGwynedd

Cais ar gyfer dymchwel modurdy presennol a chodi estyniad a modurdy newydd ar ochr yr eiddo / Application to demolish existing garage and the erection of new side extension and garage.

Permitted
Small
Prior Approval (Agri/Forest)
14 Feb 2020C20/0168/36/YA
Bryn Heulog, Bryncir, Garndolbenmaen, Gwynedd, LL51 9LXGwynedd

Cais ymholiad o flaen llaw i godi adeilad amaethyddol / Prior notification application for the erection of an agricultural building

Permitted
Medium
Removal/Variation of Condition(s)
19 Sept 2019C19/0930/36/AC
Chwarel Bryncir, Bryncir, Garndolbenmaen, Gwynedd, LL51 9LXGwynedd

Rhyddhau amodau 7, 8 a 9 ar ganiatad cynllunio C09D/0375/36/LL, darparu offer cynhyrchu concrid ar y safle ar gyfer gwerthiant concrid parod / Discharge of conditions 7,8 and 9 on planning permission C09D/0375/36/LL, provision of a concrete batch plant on site for the sale of ready-mix concrete

Conditions
Small
Full Planning
14 Feb 2019C19/0133/36/LL
Bwlch Gwyn, Cennin, Bryncir, Gwynedd, LL519EXGwynedd

Codi adeilad amaethyddol i gadw gwartheg gyda pit cysylltiol / Erection of an agricultural building to store cattle with associated pit

Pending
Small
Full Planning
15 Jun 2018C18/0524/36/LL
Siop Teils Bryncir, Canolfan Garddio, Bryncir, Gwynedd, LL51 9LXGwynedd

Cais ar gyfer codi ffens a chodi sied a chreu man arddangos a storio cynnyrch / Application to erect fence and shed and creation of display and product storage area

Conditions
Small
Full Planning
1 Mar 2018C18/0168/36/LL
Bryncir Sub-station, Bryncir, Gwynedd, LL51 9LQGwynedd

Cais i newid amod 2 o ganiatad cynllunio C17/0772/36/LL er mwyn gallu diwygio llwybr gwyro llwybr cyhoeddus rhif 18/ Application to vary condition 2 of planning permission C17/0772/36/LL in order to move the diversion of the public footpath no. 18.

Conditions
Small
Full Planning
3 Nov 2017C17/1079/36/LL
Tyddyn Drain, Garndolbenmaen, LL519UJGwynedd

Codi modurdy / Construction of garage

Conditions
Small
Full
12 Oct 2017NP2/16/54B
Tyddyn Drain, Garndolbenmaen, LL519UJSnowdonia

Demolition of existing side and rear sections of dwelling and replacement single storey side and rear extensions

Refused
Medium
Minerals
10 Aug 2017C17/0837/36/MW
Llecheiddior Uchaf, Garndolbenmaen, Gwynedd, LL51 9EZGwynedd

Cais o dan Adran 73 i newid amodau 1 a 2 ar ganiatad cynllunio C12/0495/36/MW i ymestyn cyfnod cychwyn a gweithredu datblygiad ar gyfer ennill a gweithio tywod a graean ac adfer i ddefnydd amaethyddol/ Application under Section 73 to vary conditions 1 and 2 on planning permission C12/0495/36/MW to extend the period for the commencement nd implemntation of development for the winning and working of sand and gravel and restoration to agricultural use.

Conditions
Small
Full Planning
1 Mar 2017C17/0217/36/LL
Llystyn Isaf, Bryncir, Garndolbenmaen, LL519LXGwynedd

Codi sied amaethyddol/Erection of an agricultural shed.

Conditions
Medium
Full Planning
3 Dec 2015C15/1296/36/LL
Llystyn Canol, Garndolbenmaen, Gwynedd, LL51 9UJGwynedd

Gosod tyrbin gwynt fferm 85kw ar dwr 25m cyfanswm uchder 37m at frig y llafn/Installation of a farm wind turbine max. hueb height 25m with a total height to blade tip of 37m.

Conditions
Small
Full Planning
12 Mar 2015C15/0225/36/LL
Bwlch Gwyn, Cennin, Garndolbenmaen, Gwynedd, LL51 9EXGwynedd

Trosi cyn-feudy fel estyniad i'r ty presennol a chodi estyniad cyswllt at y ty gwreiddiol / Conversion of former cowshed as an extension to the existing dwelling and erection of extension connecting to the original dwelling.

Refused
Small
Advertisement Consent (HY)
10 Feb 2015C15/0134/36/HY
Bryncir Garden Centre, Bryncir, Garndolbenmaen, LL519LXGwynedd

Codi dau arwydd hysbysebu / Erection of two advertisement signs

Conditions
Small
Full Planning
5 Nov 2014C14/1045/36/LL
Allt y Ffynnon, Cennin, Garndolbenmaen, Gwynedd, LL51 9EXGwynedd

Codi adeilad amaethyddol/Erection of agricultural Building

Conditions
Small
Full Planning
7 Aug 2013C13/0823/36/LL
Bryncir Garden Centre, Bryncir, Garndolbenmaen, LL519LXGwynedd

Cais ol-weithredol i gadw adeilad odyn ar gyfer sychu sglodion coed mewn cysylltiad a busnes biomas / Retrospective application to retain kiln building for drying of woodchip in connection with biomass buisness.

Permitted
Small
Modification or Discharge of Planning Obligations
19 Jun 2013C13/0644/36/RC
Tai Newyddion, Cennin, Garndolbenmaen, Gwynedd, LL51 9EXGwynedd

DIDDYMU CYTUNDEB 106 SY'N CYFYNGU DEFNYDD YR EIDDO I BOBL LLEOL / DISCHARGE OF SECTION 106 PLANNING OBLIGATION THAT RESTRICTS THE USE OF THE PROPERTY TO LOCAL PEOPLE

Conditions
Small
Modification or Discharge of Planning Obligations
14 May 2013C13/0500/36/RC
Hen Orsaf, Bryncir, Garndolbenmaen, Porthmadog, Gwynedd, LL519LXGwynedd

DIDDYMU RHWYMEDIGAETH CYNLLUNIO SYDD YN CYFYNGU DEFNYDD YR EIDDO I BOBOL LLEOL / DISCHARGE OF PLANNING OBLIGATION THAT RESTRICTS USE OF THE PROPERTY TO LOCAL PEOPLE

Conditions
Small
Full Planning
12 Feb 2013C13/0167/36/LL
Canolfan Arwerthiant Bryncir, Bryncir, Garndolbenmaen, Gwynedd, LL519LXGwynedd

Gosod tanc dal dwr aflan tanddearol / Installation of an underground tank to hold dirty water

Refused
Small
Full Planning
24 Dec 2012C12/1657/36/LL
Tilestop, Bryncir, Garndolbenmaen, Gwynedd, LL519LXGwynedd

CODI TYRBIN GWYNT 60KW, 22.6 MEDR I'R HWB GYDA CYFANSWM UCHDER O 34.2MEDR I FLAEN Y LLAFNAU / ERECTION OF A 60 KW WIND TURBINE, 22.6 METRES TO THE HUB AND A TOTAL HEIGHT OF 34.2 METRES TO THE BLADE TIPS

Permitted
Medium
Screening Opinion
31 Oct 2012C12/1434/36/SC
Tilestop, Bryncir, Garndolbenmaen, Gwynedd, LL519LXGwynedd

Myriad CEG is submitting a request for a Screening Opinion, under the 2011 EIA Regulations, to Gwynedd Council in order to confirm whether an Environmental Impact Assessment is required to accompany a planning application for one wind turbine. The development is to consist of the installation of one Northern Power 60 wind turbine with a maximum hub height of 23m and a rotor diameter of 23m giving a maximum ground to tip height of 34.5m. The turbine has a generating capacity of 60kW.

Conditions
Small
Full Planning
4 Jul 2012C12/0977/36/LL
Llystyn Ganol, Garndolbenmaen, LL519UJGwynedd

CAIS I YMESTYN STORFA SLYRI PRESENNOL / APPLICATION TO EXTEND EXISTING SLURRY STORE

Conditions
Small
Full Planning
14 Jun 2012C12/0887/36/LL
Canolfan Arwerthiant Bryncir, Bryncir, Garndolbenmaen, Gwynedd, LL519LXGwynedd

CODI PIT SLYRI GYDA TO BRIG / ERECTION OF A SLURRY PIT WITH A PITCHED ROOF

Conditions
Small
Minerals
17 Apr 2012C12/0495/36/MW
Llecheiddior Uchaf, Garndolbenmaen, LL519EZGwynedd

ENNILL A GWEITHIO TYWOD A GRAEAN AC ADFER I DDEFNYDD AMAETHYDDOL / WINNING AND WORKING OF SAND AND GRAVEL AND RESTORATION TO AGRICULTURAL USE

Conditions
Small
Full Planning
14 Mar 2012C12/0366/36/LL
Llystyn Ganol, Garndolbenmaen, LL519UJGwynedd

CODI TYRBIN GWYNT 50KW AR DWR 24.6m CYFANSWM UCHDER 34.2m AT BRIG Y LLAFN A CHREU TRAC NEWYDD / ERECTION OF 50KM WIND TURBINE ON A 24.6m TOWER, TOTAL HEIGHT OF 34.2m TO TIP OF BLADE AND CREATION OF TRACK.

Permitted
Medium
Screening Opinion
12 Jan 2012C12/0562/36/SC
Llecheiddior Uchaf, Garndolbenmaen, LL519EZGwynedd

Adoption of SCREENING OPINION under Regulation 5 Proposed re-activation and extension of sand and gravel quarry and restoration to agricultural use, Llecheiddior Uchaf, Garndolbenmaen, Gwynedd.

Permitted
Medium
Screening Opinion
9 Jan 2012C12/0340/36/SC
Llecheiddior Uchaf, Garndolbenmaen, LL519EZGwynedd

Screening Opinion - Proposed re-activation and extension of sand and gravel quarry and restoration

Conditions
Small
Full Planning
26 Sept 2011C11/0853/36/LL
Tai Newyddion, Cennin, Garndolbenmaen, Gwynedd, LL51 9EXGwynedd

NEWID DEFNYDD GWEITHDY PRESENNOL I GREU YSTAFELLOEDD GWELY YCHWANEGOL I'R TY / CHANGE OF USE OF WORKSHOP TO CREATE EXTRA BEDROOMS FOR THE HOUSE

Conditions
Small
Full Planning
4 Feb 2011C11/0106/36/LL
Llecheiddior Uchaf, Garndolbenmaen, LL519EZGwynedd

CODI DWY ESTYNIAD I SIEDIAU AMAETHYDDOL PRESENNOL / ERECTION OF TWO EXTENSIONS TO EXISTING AGRICULTURAL SHEDS

Conditions
Small
Full Planning
31 Aug 2010C10D/0362/36/LL
Tai Newyddion, Cennin, Garndolbenmaen, Gwynedd, LL519EXGwynedd

CODI ADEILAD NEWYDD YN LLE 2 SIED ARDD PRESENNOL / ERECTION OF NEW BUILDING TO REPLACE 2 EXISTING GARDEN SHEDS

Conditions
Small
Full Planning
29 Mar 2010C10D/0139/36/LL
Goat Inn, Garndolbenmaen, LL519LJGwynedd

ESTYNIAD UNLLAWR I OCHR TY TAFARN / SINGLE STOREY EXTENSION TO SIDE OF PUBLIC HOUSE

Permitted
Small
Prior Approval (Agri/Forest)
9 Mar 2010C10D/0106/36/YA
Llecheiddior Uchaf, Garndolbenmaen, LL519EZGwynedd

CREU IARD FFERM NEWYDD / CREATE NEW FARM YARD

Pending
Llawn - Cynllunio/Full - Planning
9 Jan 2009C09D/0022/36/LL
Tile Stop/Garden Centre, Bryncir, Garndolbenmaen, Gwynedd, LL519LXGwynedd

ADEILADU ADEILAD NEWYDD I ARDDANGOS A GWERTHU TEILS A NWYDDAU BADDONDY / CONSTRUCTION OF NEW BUILDING FOR DISPLAY OF AND SALES OF TILES AND BATHROOM FITTINGS