Planning Applications Gwynedd

Explore, search and filter planning application data for Gwynedd Council. This page provides a comprehensive list of all Postcodes and Street Names within the Gwynedd Local Authority area, making it easy to search and track planning applications specific to this region. Stay informed on local developments and access detailed planning data for better decision-making. Whether you're a professional or looking to buy a home, this data helps you understand planning activity and potential future changes in your area. Use our easy-to-navigate interface to quickly filter by postcode, street name, or application type to find the most relevant information for your needs.

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uid Authority Size State Type Decision Appeal Ref. Description Address Map Earliest Date Url Share lat lng UUID
C25/0784/00/DT Gwynedd Not known Not known Full Cais ôl-weithredol i osod pwmp gwres Riello. Retrospective application for the installation of a Riello heat pump. 58 Ffordd Pentre Mynach, Barmouth, Gwynedd, LL42 1EN 28/10/2025 00:00:00 https://amg.gwynedd.llyw.cymru/planning/index.html?fa=getApplication&id=36712 /planning-applications/local-authority/Gwynedd/uid/4332352F303738342F30302F4454 52.7324 -4.0643 9066478
C25/0785/25/TC Gwynedd Not known Not known Amendment Cais am Dystysgrif Datblygiad Cyfreithlon ar gyfer y defnydd o garafan sefydlog fel annedd parhaol (Dosbarth Defnydd C3). Application for a Lawful Development Certificate for the use of a static caravan as a permanent dwelling (C3 Use Class) Hafod, Tan Y Bryn Rhyd Y Groes, Pentir, Bangor, Gwynedd, LL57 4UU 28/10/2025 00:00:00 https://amg.gwynedd.llyw.cymru/planning/index.html?fa=getApplication&id=36709 /planning-applications/local-authority/Gwynedd/uid/4332352F303738352F32352F5443 53.1813 -4.1283 1817713
C25/0783/18/TC Gwynedd Medium Not known Amendment Cais am Dystysgrif Datblygiad Cyfreithlon i gadarnhau dechreuad materol, sy'n cynnwys adeiladu'r wal flaen arfaethedig a'r draeniad mewno,l o fewn 2 flynedd i'r cais materion a gadwyd yn ôl a gymeradwywyd (cyf C19/0003/18/MG) yn ymwneud â chaniatâd amlinellol cyf C13/0611/18/AM ar gyfer 17 o anheddau (gan gynnwys 2 uned fforddiadwy) a mynediad newydd – cynlluniau diwygiedig a gwybodaeth ychwanegol Application for a Lawful Development Certificate for confirmation of a material star,t comprising of the construction of the proposed headwall and internal drainag,e within 2 years of the approved reserved matters application (ref C19/0003/18/MG) relating to outline consent ref C13/0611/18/AM for 17 dwellings (including 2 affordable units) and new access – amended plans and additional information Rhiw Goch, Clwt Y Bont, Deiniolen, Caernarfon, Gwynedd, LL55 3DE 27/10/2025 00:00:00 https://amg.gwynedd.llyw.cymru/planning/index.html?fa=getApplication&id=36705 /planning-applications/local-authority/Gwynedd/uid/4332352F303738332F31382F5443 53.1464 -4.1372 8252423
C25/0777/39/LL Gwynedd Not known Not known Full Cais llawn i ddymchwel eiddo preswyl presennol (dosbarth C3) a chodi eiddo preswyl newydd (dosbarth C3) yn ei le ynghyd a gwelliannau i fynedfa bresennol / Full application for the demolition of an existing dwelling (C3 use) and cosntruction of a new replacement dwelling (C3 use) with improvements to an existing access. Fferm Sarn Lôn Sarn Bach, Sarn Bach, Pwllheli, Gwynedd, LL53 7BG 24/10/2025 00:00:00 https://amg.gwynedd.llyw.cymru/planning/index.html?fa=getApplication&id=36711 /planning-applications/local-authority/Gwynedd/uid/4332352F303737372F33392F4C4C 52.8106 -4.5169 1604087
C25/0775/04/CC Gwynedd Small Not known Trees Tocio a dymchwel coed gyda Gorchymyn Gwarchod Coed. Trimming and removal of trees under a Tree Protection Order. Cysgod Y Coed, Llanfor, Y Bala, Gwynedd, LL23 7DU 23/10/2025 00:00:00 https://amg.gwynedd.llyw.cymru/planning/index.html?fa=getApplication&id=36702 /planning-applications/local-authority/Gwynedd/uid/4332352F303737352F30342F4343 52.9179 -3.5821 8893303
C25/0776/39/AC Gwynedd Not known Not known Conditions Cais i ddiwygio amod 3 ar ganiatâd cynllunio C19/1106/39/LL er mwyn ymestyn oriau agor siop/caffi/ Application to amend condition 3 on planning approval C19/1106/39/LL in order to extend the shop/cafe's opening hours. Siop Fferm A Caffi Abersoch Bodlondeb Lôn Sarn Bach, Sarn Bach, Pwllheli, Gwynedd, LL53 7BG 23/10/2025 00:00:00 https://amg.gwynedd.llyw.cymru/planning/index.html?fa=getApplication&id=36708 /planning-applications/local-authority/Gwynedd/uid/4332352F303737362F33392F4143 52.8106 -4.5169 9681448
C25/0770/17/DA Gwynedd Not known Not known Amendment Cais am ddiwygiad ansylweddol i newid geiriad amod rhif 9 o ganiatâd C22/0953/17/LL er mwyn newid edrychiad y to o gorchudd dur proffil lliw gwyrdd tywyll i orchudd sment rhychiog a gosod cladin carreg o fath "Wildstone Champagne Quarts 814" ar yr edrychiad deheuol cyn defnyddio'r adeilad, ynghyd â thynnu ffenestr cylch oddi ar yr edrychiad deheuol. Non-material amendment to application C22/0953/17/LL to vary wording of condition 9 in order to replace the profiled steel roof with a corrugated cement sheeting and place stone cladding of type "Wildstone Champagne Quarts 814" on the southern elevation prior to the use of the building along with the removal of the round window from the southern elevation. Coleg Llandrillo, Glynllifon College, Llandwrog, Caernarfon, Gwynedd, LL54 5DU 22/10/2025 00:00:00 https://amg.gwynedd.llyw.cymru/planning/index.html?fa=getApplication&id=36696 /planning-applications/local-authority/Gwynedd/uid/4332352F303737302F31372F4441 53.0731 -4.3069 4661222
C25/0768/11/CR Gwynedd Not known Not known Heritage Cadw arwydd ar flaen yr adeilad a gosod partitwn mewnol fel rhwystr diogelwch / Retain sign to the front of the building and erect internal partition as a security barrier Gledhills Hair, Gledhills Hair Tan Y Fynwent, Bangor, Gwynedd, LL57 1DT 21/10/2025 00:00:00 https://amg.gwynedd.llyw.cymru/planning/index.html?fa=getApplication&id=36690 /planning-applications/local-authority/Gwynedd/uid/4332352F303736382F31312F4352 53.2273 -4.1268 2377691
C25/0769/13/TR Gwynedd Not known Not known Outline Eirthiad cynllunio ar gyfer gosod polyn LV sengl a pharhaol. Gwasanaethau presennol i eiddo wedi'u dad-ddolenni (eu gwahanu) a'u hail-leoli i bolyn newydd. Planning exemption for the installation of single LV pole & stay. Existing services to properties de-looped (separated) and repositioned to new pole. Stryd Y Ffynnon, Gerlan, Bethesda, LL57 3TN 21/10/2025 00:00:00 https://amg.gwynedd.llyw.cymru/planning/index.html?fa=getApplication&id=36697 /planning-applications/local-authority/Gwynedd/uid/4332352F303736392F31332F5452 53.1771 -4.0483 1884075
C25/0771/30/LL Gwynedd Not known Not known Full Cais llawn i greu storfa slyri newydd o fewn adeilad amaethyddol presennol / Full application to create new slurry storage within an existing agricultural building Meillionydd Fawr, Rhoshirwaen, Pwllheli, Gwynedd, LL53 8HU 21/10/2025 00:00:00 https://amg.gwynedd.llyw.cymru/planning/index.html?fa=getApplication&id=36707 /planning-applications/local-authority/Gwynedd/uid/4332352F303737312F33302F4C4C 52.8308 -4.6487 709129
C25/0772/46/LL Gwynedd Not known Not known Full CODI TO DROS RAN O IARD Y FFERM RHWNG DWY SIED BRESENNOL YNGHYD A CHREU STORFA SLYRI TANDDAEAROL / CONSTRUCTION OF A ROOF OVER PART OF THE FARM YARD BETWEEN TWO EXISTING BUILDINGS AND THE CONSTRUCTION OF AN UNDERGROUND SLURRY STORE Towyn, Tudweiliog, Pwllheli, Gwynedd, LL53 8PD 21/10/2025 00:00:00 https://amg.gwynedd.llyw.cymru/planning/index.html?fa=getApplication&id=36701 /planning-applications/local-authority/Gwynedd/uid/4332352F303737322F34362F4C4C 52.9071 -4.6267 4233968
C25/0767/18/RA Gwynedd Not known Not known Conditions Rhyddhau amod 5 (cyflwyno samplau morter) ar ganiatad rhif C24/0977/18/LL ac C24/0976/18/CR / Discharge condition 5 (submit mortar samples) on consent refs C24/0977/18/LL and C24/0976/18/CR Welsh Slate Museum, Gilfach Ddu, Llanberis, Caernarfon, Gwynedd, LL55 4TY 20/10/2025 00:00:00 https://amg.gwynedd.llyw.cymru/planning/index.html?fa=getApplication&id=36689 /planning-applications/local-authority/Gwynedd/uid/4332352F303736372F31382F5241 53.1206 -4.1153 3659450
C25/0763/03/DT Gwynedd Not known Not known Full Estyniad deulawr i gefn yr eiddo. Two-storey extension to the rear of the property. Summerville, 89 Ffordd Wynne, Blaenau Ffestiniog, Gwynedd, LL41 3DW 17/10/2025 00:00:00 https://amg.gwynedd.llyw.cymru/planning/index.html?fa=getApplication&id=36704 /planning-applications/local-authority/Gwynedd/uid/4332352F303736332F30332F4454 52.9921 -3.935 8038796
C25/0764/14/HY Gwynedd Small Not known Advertising Gosod arwyddion goleuedig ac heb eu oleuo tu allan i'r adeilad. Erection of illuminated and non-illuminated signs to the exterior of the building. Hole In The Wall Inn, Hole In The Wall Inn Hole In The Wall Street, Caernarfon, Gwynedd, LL55 1RF 17/10/2025 00:00:00 https://amg.gwynedd.llyw.cymru/planning/index.html?fa=getApplication&id=36676 /planning-applications/local-authority/Gwynedd/uid/4332352F303736342F31342F4859 53.1402 -4.2755 2244967
C25/0757/19/LL Gwynedd Not known Not known Full Adeilad gweithgareddau dan do bwriededig Proposed indoor activities building Gypsy Wood Park Lôn Caeathro, Bontnewydd, Caernarfon, Gwynedd, LL55 2YA 16/10/2025 00:00:00 https://amg.gwynedd.llyw.cymru/planning/index.html?fa=getApplication&id=36686 /planning-applications/local-authority/Gwynedd/uid/4332352F303735372F31392F4C4C 53.1169 -4.2628 6970663
C25/0759/15/LL Gwynedd Not known Not known Full Codi Estyniad Cefn Unllawr Erection of Single Storey Rear Extension Denbigh House, 36 High Street, Llanberis, Gwynedd, LL55 4EU 16/10/2025 00:00:00 https://amg.gwynedd.llyw.cymru/planning/index.html?fa=getApplication&id=36699 /planning-applications/local-authority/Gwynedd/uid/4332352F303735392F31352F4C4C 53.1219 -4.1275 8105158
C25/0748/23/CC Gwynedd Small Not known Trees Gwaith i goed sydd yn destun gorchymyn gwarchod coed. Work on trees that is subject to a tree preservation order Bryn Teg Caravan Park, Llanrug, Caernarfon, Gwynedd, LL55 4RF 15/10/2025 00:00:00 https://amg.gwynedd.llyw.cymru/planning/index.html?fa=getApplication&id=36680 /planning-applications/local-authority/Gwynedd/uid/4332352F303734382F32332F4343 53.1399 -4.1792 7357465
C25/0750/25/LL Gwynedd Not known Not known Full Cynnig i ddymchwel yr annedd bresennol, a'i disodli ag unedau swyddfa symudol a lle parcio ar gyfer staff. Proposal to demolish existing dwelling, replacing with portable office units and parking for staff. Tai'r Ffynnon Isaf Cytir Lane, Bangor, Gwynedd, LL57 4DA 15/10/2025 00:00:00 https://amg.gwynedd.llyw.cymru/planning/index.html?fa=getApplication&id=36658 /planning-applications/local-authority/Gwynedd/uid/4332352F303735302F32352F4C4C 53.2066 -4.1498 9600545
C25/0752/41/LL Gwynedd Not known Not known Full Adeiladu storfa slyri newydd. New slurry storage. Pen Y Bryn, Chwilog, Pwllheli, Gwynedd, LL53 6SX 15/10/2025 00:00:00 https://amg.gwynedd.llyw.cymru/planning/index.html?fa=getApplication&id=36674 /planning-applications/local-authority/Gwynedd/uid/4332352F303735322F34312F4C4C 52.9204 -4.2973 215514
C25/0755/14/LL Gwynedd Not known Not known Full Newid defnydd gorsaf brofi VOSA i ffurfio Masnachwyr Coed ac Adeiladwyr Change of use the former VOSA testing station to form a Timber and Builders’ Merchants; Vehicle Inspectorate Lôn Cae Ffynnon, Cibyn Industrial Estate, Caernarfon, Gwynedd, LL55 2BD 15/10/2025 00:00:00 https://amg.gwynedd.llyw.cymru/planning/index.html?fa=getApplication&id=36687 /planning-applications/local-authority/Gwynedd/uid/4332352F303735352F31342F4C4C 53.1404 -4.2497 3059022
C25/0756/40/DT Gwynedd Not known Not known Full Estyniad llawr cyntaf uwchben modurdy presennol. First floor extension above existing garage. 9 Bro Gwystl, Y Ffôr, Pwllheli, Gwynedd, LL53 6UJ 15/10/2025 00:00:00 https://amg.gwynedd.llyw.cymru/planning/index.html?fa=getApplication&id=36682 /planning-applications/local-authority/Gwynedd/uid/4332352F303735362F34302F4454 52.9245 -4.3824 7184290
C25/0758/44/HT Gwynedd Small Not known Telecoms Gosod gorsaf sylfaen telathrebu sy'n cynnwys monopol 23.14m yn cynnal 6 antena ar ffrâm ben, ynghyd â 3 chabinet offer ar y ddaear, 1 cabinet mesurydd o fewn cyffiniau wedi'i ffensio a datblygiad ategol iddo. Installation of a telecommunications base station comprising a 23.14m monopole supporting 6 no antennas on a headframe, together with 3 no ground based equipment cabinets, 1 no meter cabinet within fenced compound and ancillary development thereto. Tir / Land At Greenacres Holiday Park, Black Rock Sands, Morfa Bychan, LL49 9YF 15/10/2025 00:00:00 https://amg.gwynedd.llyw.cymru/planning/index.html?fa=getApplication&id=36706 /planning-applications/local-authority/Gwynedd/uid/4332352F303735382F34342F4854 52.9131 -4.1742 7464278
C25/0760/46/LL Gwynedd Not known Not known Full Adeiladu estyniad i'r storfa slyri ar fferm Pant Gwyn / Build an extension to the slurry store on Pant Gwyn farm Pant Gwyn, Tudweiliog, Pwllheli, Gwynedd, LL53 8PE 15/10/2025 00:00:00 https://amg.gwynedd.llyw.cymru/planning/index.html?fa=getApplication&id=36683 /planning-applications/local-authority/Gwynedd/uid/4332352F303736302F34362F4C4C 52.9107 -4.618 9280105
C25/0749/38/RA Gwynedd Not known Not known Conditions Cais i ryddhau amod 21 o ganiatâd cynllunio C22/0426/38/LL mewn perthynas a cyfnod 2 a 3 o'r datblygiad yn ymwneud a chynllun monitro hir dymor ansawdd dwr a tir llygredig/ Application to discharge condition 21 on planning approval C22/0426/38/LL in relation to phase 2 and 3 of the development relating to a long term monitoring plan for water quality and land contamination. Penrhos Polish Village, Lon Llanbedrog, Pwllheli, Gwynedd, LL53 7HN 14/10/2025 00:00:00 https://amg.gwynedd.llyw.cymru/planning/index.html?fa=getApplication&id=36667 /planning-applications/local-authority/Gwynedd/uid/4332352F303734392F33382F5241 52.8796 -4.476 1176833
C25/0751/39/DT Gwynedd Not known Not known Full Ail gyflwyniad o gais C25/0359/39/DT a wrthodwyd ar gyfer ymestyn eiddo presennol / Re-submission of refused planning application C25/0359/39/DT to extend the existing property. Holandus Lôn Sarn Bach, Abersoch, Pwllheli, Gwynedd, LL53 7EL 14/10/2025 00:00:00 https://amg.gwynedd.llyw.cymru/planning/index.html?fa=getApplication&id=36668 /planning-applications/local-authority/Gwynedd/uid/4332352F303735312F33392F4454 52.8188 -4.5114 175062
C25/0744/14/LL Gwynedd Not known Not known Full Adeiladu pit silwair ar gyfer storio gwair / porthiant Construction of silage pit for the storage of grass/fodder. Fferm Hendy Pant Road, Caernarfon, Gwynedd, LL54 5RL 13/10/2025 00:00:00 https://amg.gwynedd.llyw.cymru/planning/index.html?fa=getApplication&id=36688 /planning-applications/local-authority/Gwynedd/uid/4332352F303734342F31342F4C4C 53.1288 -4.2711 5836168
C25/0745/14/DT Gwynedd Not known Not known Full Codi estyniad deulawr i gefn ac ochr yr eiddo yn ogystal ag dymchwel modurdy a porth gan godi porth newydd. Erection of a two-story extension to the rear and side of the existing dwelling. The proposal also includes the demolition of an existing garage and porch. Melangell England Road North, Caernarfon, Gwynedd, LL55 1HS 13/10/2025 00:00:00 https://amg.gwynedd.llyw.cymru/planning/index.html?fa=getApplication&id=36681 /planning-applications/local-authority/Gwynedd/uid/4332352F303734352F31342F4454 53.1474 -4.2642 8852852
C25/0747/25/RA Gwynedd Not known Not known Conditions Cais i ryddhau amod 3 (Gwybodaeth Coedyddiaeth) o ganiatâd cynllunio C24/0237/25/LL ar gyfer dymchweliadau, newidiadau ac estyniadau Application to discharge condition 3 (Arboricultural Information) of planning permission C24/0237/25/LL for demolitions, alterations and extensions Glyn Menai Dementia Care Centre Ffordd Treborth, Treborth, Bangor, Gwynedd, LL57 2RQ 13/10/2025 00:00:00 https://amg.gwynedd.llyw.cymru/planning/index.html?fa=getApplication&id=36698 /planning-applications/local-authority/Gwynedd/uid/4332352F303734372F32352F5241 53.2174 -4.1652 2458593
C25/0741/24/DT Gwynedd Not known Not known Full Codi estyniad deulawr i gefn yr eiddo. Erection of a two-storey extension to the rear of the property. Y Garth, Llanwnda, Caernarfon, Gwynedd, LL54 7YB 11/10/2025 00:00:00 https://amg.gwynedd.llyw.cymru/planning/index.html?fa=getApplication&id=36645 /planning-applications/local-authority/Gwynedd/uid/4332352F303734312F32342F4454 53.0962 -4.281 6329783
C25/0734/14/HY Gwynedd Small Not known Advertising Fasia Peiriant Arian Parod efo arwydd wedi ei oleuo. Arwydd uchaf heb ei oleuo. ATM fascia with illuminated "ATM" sign. Non illuminated top sign. 5 - 7 Bridge Street, Caernarfon, Gwynedd, LL55 1AB 09/10/2025 00:00:00 https://amg.gwynedd.llyw.cymru/planning/index.html?fa=getApplication&id=36647 /planning-applications/local-authority/Gwynedd/uid/4332352F303733342F31342F4859 53.1401 -4.2742 27798
C25/0735/14/LL Gwynedd Not known Not known Full Gosod Peiriant Arian Parod i'w osod trwy ffenestr flaen siop i'r chwith o ddrysau mynediad fel gosodiad trwy wydr. Proposed installation of an ATM to be installed through the shopfront window to the left of the entrance doors as a through glass installation 5 - 7 Bridge Street, Caernarfon, Gwynedd, LL55 1AB 09/10/2025 00:00:00 https://amg.gwynedd.llyw.cymru/planning/index.html?fa=getApplication&id=36648 /planning-applications/local-authority/Gwynedd/uid/4332352F303733352F31342F4C4C 53.1401 -4.2742 8933754
C25/0736/16/RA Gwynedd Not known Withdrawn Conditions Cymeradwyaeth manylion a gedwir yn ôl gan amodau 3 (Tirlunio), 5 (Deunyddiau Allanol), 7 (Gwelliannau Ecoleg), 8 (Draenio Budr) a 10 (Draeniad ar Draws y Safle) o ganiatâd cynllunio cyf. C23/0849/16/LL ar gyfer adeiladu unedau diwydiannol newydd Approval of details reserved by conditions 3 (Landscaping), 5 (External Materials), 7 (Ecology Improvements), 8 (Foul Drainage) & 10 (Drainage Across the Site) of planning permission ref. C23/0849/16/LL for c onstruction of new industrial units Zone 7 Bryn Cegin Park, Llandygai, Gwynedd, LL57 4BG 09/10/2025 00:00:00 https://amg.gwynedd.llyw.cymru/planning/index.html?fa=getApplication&id=36685 /planning-applications/local-authority/Gwynedd/uid/4332352F303733362F31362F5241 53.2062 -4.1065 6904301
C25/0738/38/DT Gwynedd Not known Not known Full Cais i osod 15 o paneli solar ar to eiddo presennol, ymestyn y ffenestr dormer cefn, codi canopi blaen ac newid rhai ffenestri. Proposal to install 15 solar panels, enlargement of rear dormer, erect a front entrance canopy and changes to fenestration. Celyn, Llanbedrog, Pwllheli, Gwynedd, LL53 7TY 09/10/2025 00:00:00 https://amg.gwynedd.llyw.cymru/planning/index.html?fa=getApplication&id=36655 /planning-applications/local-authority/Gwynedd/uid/4332352F303733382F33382F4454 52.8556 -4.4857 2992660
C25/0740/20/AM Gwynedd Not known Not known Outline Cais amlinellol gyda holl faterion wedi eu cadw'n ol ar gyfer dymchwel adeiladau a strwythurau presennol, ailraddio'r tir a codi adeilad canolfan data (B8) ynghyd a chyfarpar cysylltiol i gynnwys generaduron, peirianwaith, cyfarpar, is-orsaf(oedd), mynedfeydd, parcio ac ardaloedd gwasanaethu, gwaith draenio a peirianyddol gan gynnwys cysylltu ac ail-leoli gwasanaethau Outline application will all matters reserved for the demolition of existing buildings/structures, re-grading of land and erection of Class B8 data centre building(s) with all associated back-up generators, plant, equipment, sub-station(s), accesses, parking and servicing areas, drainage and engineering works, including services diversion/connection. Land At And Adjacent To The Former Ferodo Site, Griffiths Crossing, Caernarfon, LL55 1TP 09/10/2025 00:00:00 https://amg.gwynedd.llyw.cymru/planning/index.html?fa=getApplication&id=36653 /planning-applications/local-authority/Gwynedd/uid/4332352F303734302F32302F414D 53.158 -4.2529 4727584
C25/0753/16/RA Gwynedd Not known Withdrawn Conditions Cymeradwyaeth manylion a gedwir yn ôl gan amodau 3 (Tirlunio), 5 (Deunyddiau Allanol), 7 (Gwelliannau Ecoleg), 8 (Draenio Budr) a 10 (Draeniad ar Draws y Safle) o ganiatâd cynllunio cyf. C23/0850/16/LL ar gyfer adeiladu unedau diwydiannol newydd Approval of details reserved by conditions 3 (Landscaping), 5 (External Materials), 7 (Ecology Improvements), 8 (Foul Drainage) & 10 (Drainage Across the Site) of planning permission ref. C23/0850/16/LL for c onstruction of new industrial units Zone 7 Bryn Cegin Park, Llandygai, Gwynedd, LL57 4BG 09/10/2025 00:00:00 https://amg.gwynedd.llyw.cymru/planning/index.html?fa=getApplication&id=36684 /planning-applications/local-authority/Gwynedd/uid/4332352F303735332F31362F5241 53.2062 -4.1065 4834397
C25/0754/20/SC Gwynedd Medium Not known Outline Dymchwel adeiladau a strwythurau presennol, ailraddio'r tir a codi adeilad canolfan data (B8) ynghyd a chyfarpar cysylltiol i gynnwys generaduron, peirianwaith, cyfarpar, is-orsaf(oedd), mynedfeydd, parcio ac ardaloedd gwasanaethu, gwaith draenio a peirianyddol gan gynnwys cysylltu ac ail-leoli gwasanaethau Demolition of existing buildings/structures, re-grading of land and erection of Class B8 data centre building(s) with all associated back-up generators, plant, equipment, sub-station(s), accesses, parking and servicing areas, drainage and engineering works, including services diversion/connection. Land At And Adjacent To The Former Ferodo Site, Griffiths Crossing, Caernarfon, LL55 1TP 09/10/2025 00:00:00 https://amg.gwynedd.llyw.cymru/planning/index.html?fa=getApplication&id=36710 /planning-applications/local-authority/Gwynedd/uid/4332352F303735342F32302F5343 53.158 -4.2529 4513957
C25/0728/38/DT Gwynedd Not known Not known Full Codi estyniad un llawr ar flaen y tŷ, ymestyn y to i'r ochr er mwyn creu ardal batio wedi’i orchuddio, ac ychwanegu cladin i rannau o’r tŷ presennol. Construct a single-storey front extension, extend the roof to the side to create a covered patio area, and add cladding to parts of the existing house. Cefn Y Coed, Rockfield Drive Lôn Bribwll, Llanbedrog, Pwllheli, Gwynedd, LL53 7NN 08/10/2025 00:00:00 https://amg.gwynedd.llyw.cymru/planning/index.html?fa=getApplication&id=36654 /planning-applications/local-authority/Gwynedd/uid/4332352F303732382F33382F4454 52.8605 -4.4823 5475277
C25/0729/39/YA Gwynedd Not known Rejected Outline Adeiladu adeilad amaethyddol ar gyfer storio peiriannau, offer a phorthiant. Construction of agricultural building to store machinery, equipment and feed. Fferm Deuglawdd Lôn Tair Groeslon, Llangian, Pwllheli, Gwynedd, LL53 7LT 08/10/2025 00:00:00 https://amg.gwynedd.llyw.cymru/planning/index.html?fa=getApplication&id=36657 /planning-applications/local-authority/Gwynedd/uid/4332352F303732392F33392F5941 52.8268 -4.5556 2591317
C25/0733/40/LL Gwynedd Medium Not known Full Codi 27 o anheddau fforddiadwy, newidiadau i'r fynedfa bresennol i gerbydau o'r B4354, creu ffordd fynediad fewnol, man agored cyhoeddus ynghyd a gwaith cysylltiedig. Construction of 27 affordable dwellings, alterations to the existing vehicular access from the B4354, creation of an internal access road, public open space along with associated works. Tir Ger Ty'n Lon, Y Ffor, LL53 6UW 08/10/2025 00:00:00 https://amg.gwynedd.llyw.cymru/planning/index.html?fa=getApplication&id=36679 /planning-applications/local-authority/Gwynedd/uid/4332352F303733332F34302F4C4C 52.9252 -4.3804 1243196
C25/0723/04/RA Gwynedd Not known Not known Conditions Rhyddhau amod 3 (plannu), 4 (cynllun rheoli coetir) a 5 (gorffeniad allanol) o ganiatâd cynllunio C21/1235/04/LL. Discharge of condition 3 (planting), 4 (woodland management plan) and 5 (external finish) of approved planning application C21/1235/04/LL. Pale Wood Holiday Home Park, Llandderfel, Y Bala, Gwynedd, LL23 7RA 07/10/2025 00:00:00 https://amg.gwynedd.llyw.cymru/planning/index.html?fa=getApplication&id=36637 /planning-applications/local-authority/Gwynedd/uid/4332352F303732332F30342F5241 52.916 -3.501 2631769
C25/0727/32/LL Gwynedd Not known Not known Full Creu mynediad newydd, trac ac ardal troi yn ol / Creation of a new entrance, track and turning area Neigwl Ganol, Botwnnog, Pwllheli, Gwynedd, LL53 7SR 07/10/2025 00:00:00 https://amg.gwynedd.llyw.cymru/planning/index.html?fa=getApplication&id=36692 /planning-applications/local-authority/Gwynedd/uid/4332352F303732372F33322F4C4C 52.835 -4.5674 8466050
C25/0731/45/CC Gwynedd Small Not known Trees Gwaith i goed sydd yn destun gorchymyn gwarchod coed sydd yn eistedd mewn ardal gadwraeth. / Work on trees that are subject to a tree preservation order and are located within a conservation area. Woodland To The Rear Of Plas Tanrallt, Pwllheli, LL53 5EE 07/10/2025 00:00:00 https://amg.gwynedd.llyw.cymru/planning/index.html?fa=getApplication&id=36677 /planning-applications/local-authority/Gwynedd/uid/4332352F303733312F34352F4343 52.8915 -4.416 963207
C25/0720/26/DT Gwynedd Not known Not known Full Dymchwel estyniad presenol cefn ac ochr. Codi estyniad unllawr ochr gyda tho fflat, ynghyd â chodi estyniad unllawr to fflat ir cefn ac codi estyniad gromen cefn to fflat, ynghyd ag gwaith cysylltiedig. Proposed demolition of rear and side single storey extension. Proposed erection of single storey side flat roof extension, together with erection of single storey rear flat roof extension and rear dormer flat roof extension, with associated works. Bod Iwan Lôn Ceunant, Waunfawr, Caernarfon, Gwynedd, LL55 4SD 06/10/2025 00:00:00 https://amg.gwynedd.llyw.cymru/planning/index.html?fa=getApplication&id=36631 /planning-applications/local-authority/Gwynedd/uid/4332352F303732302F32362F4454 53.1211 -4.2022 815942
C25/0724/19/DT Gwynedd Not known Not known Full Dymchwel estyniad unllawr cefn ac adeiladu estyniad deulawr cefn yn cynnwys cegin ac ystafell wely. Demolition of existing single-storey rear extension and the construction of a new, two- storey kitchen and bedroom extension to the rear of the property. 6, Digbeth Terrace, Bontnewydd, Caernarfon, Gwynedd, LL54 7UT 06/10/2025 00:00:00 https://amg.gwynedd.llyw.cymru/planning/index.html?fa=getApplication&id=36639 /planning-applications/local-authority/Gwynedd/uid/4332352F303732342F31392F4454 53.1127 -4.2661 3913528
C25/0725/40/DT Gwynedd Not known Not known Full Estyniad unllawr a newidiadau bach eraill Single storey extension and other minor alterations. Shelharvawn, Pentreuchaf, Pwllheli, Gwynedd, LL53 8EQ 06/10/2025 00:00:00 https://amg.gwynedd.llyw.cymru/planning/index.html?fa=getApplication&id=36640 /planning-applications/local-authority/Gwynedd/uid/4332352F303732352F34302F4454 52.933 -4.455 4620770
C25/0722/38/RA Gwynedd Not known Not known Conditions Cais i ryddhau amodau ar ganiatâd cynllunio C24/0551/38/LL, yn benodol: amod 3 - gorffeniadau allanol; amod 7 - system goleuo; amod 10 - gwelliannau bioamrywiaeth; amod 11 - cynllun draeniad budr / Application to discharge conditions on planning approval C24/0551/38/LL, namely: condition 3 - external finish; condition 7 - lighting system; condition 10 - biodiversity enhancements; condition 11 - foul drainage scheme. Builders Yard, Lon Abersoch, Llanbedrog, Pwllheli, LL53 7UB 03/10/2025 00:00:00 https://amg.gwynedd.llyw.cymru/planning/index.html?fa=getApplication&id=36628 /planning-applications/local-authority/Gwynedd/uid/4332352F303732322F33382F5241 52.8569 -4.4899 5154837
C25/0708/20/DT Gwynedd Not known Not known Full Codi balconi newydd i flaen yr eiddo. Dymchwel estyniad deulawr presenol i gefn yr eiddo. Codi estyniad deulawr i gefn yr eiddo. Erection of new balcony to the front of the property. Demolish existing two storey extension to the rear of the property. Erect two-storey extension to the rear of the property. 11 Bush Road, Y Felinheli, Gwynedd, LL56 4UJ 02/10/2025 00:00:00 https://amg.gwynedd.llyw.cymru/planning/index.html?fa=getApplication&id=36642 /planning-applications/local-authority/Gwynedd/uid/4332352F303730382F32302F4454 53.181 -4.2123 3552637
C25/0714/45/LL Gwynedd Not known Not known Full Addasiadau i'r prif fynedfa er creu mynedfa hygyrch / Alterations to main entrance to provide accessible entrance Banc Natwest, 34 High Street, Pwllheli, Gwynedd, LL53 5WY 02/10/2025 00:00:00 https://amg.gwynedd.llyw.cymru/planning/index.html?fa=getApplication&id=36615 /planning-applications/local-authority/Gwynedd/uid/4332352F303731342F34352F4C4C 52.8899 -4.4155 8359236
C25/0715/45/CR Gwynedd Not known Not known Heritage Addasiadau i'r prif fynedfa i greu mynedfa hygyrch ac addasiadau mewnol / Alterations to main entrance to create accessible entrance and internal alterations Banc Natwest, 34 High Street, Pwllheli, Gwynedd, LL53 5WY 02/10/2025 00:00:00 https://amg.gwynedd.llyw.cymru/planning/index.html?fa=getApplication&id=36659 /planning-applications/local-authority/Gwynedd/uid/4332352F303731352F34352F4352 52.8899 -4.4155 1283647
C25/0716/18/DT Gwynedd Not known Not known Full Ymestyn a throsi garej bresennol i ffurfio gofod byw ychwanegol. Extend and convert existing garage to form additional living accommodation. 2 Hafod Lôn, Rhiwlas, Bangor, Gwynedd, LL57 4GD 02/10/2025 00:00:00 https://amg.gwynedd.llyw.cymru/planning/index.html?fa=getApplication&id=36633 /planning-applications/local-authority/Gwynedd/uid/4332352F303731362F31382F4454 53.1712 -4.1306 9854623
*The planning statistics displayed are carefully compiled from publicly accessible data on local authority and governmental sites. Due to the dynamic nature of planning decisions, some data may vary as updates are made by the authorities. While we aim to capture the most current data, and progressively work to infill historic data, some applications or appeal outcomes may be subject to ongoing review or change, and due to techincal limitations.

LL15 Clocaenog, County of Denbighshire, Cyffylliog, Denbigh, Denbighshire, Dinbych, Efenechtyd, Llabedr-Dyffryn-Clwyd, Llanbedr, Llanelidan, Llanfair-Dyffryn-Clwyd, Llanfair, Llangynhafal, Llanrhydd, Plâs-Llanrhydd, Rhewl, Rhuthun, Ruthin, Sir Ddinbych, Denbighshire

LL21 Cerrig-y-Druidion, Llanfihangel-Glyn-Myfyr, Llangwm, Conwy, Rug, Llangollen, Bettws Gwerfil Goch, Bryneglwys, Carrog, Clawdd-newydd, Clwyd, Corwen, Cynwyd, Derwen, Glyndwr, Glyn-Dyfrdwy, Gwyddelwern, Llandrillo, Denbighshire

LL22 Abergele, Bettws Abergele, Bettws-yn-Rhôs, Dinorben, Gwytherin, Llanddulas, Llanelian, Llanelian-yn-Rhôs, Llanfair Talhaiarn, Llangerniew, Conwy, Kinmel, Denbighshire

LL23 Bala, Frongoch, Llandderfel, Llanderfel, Llanfor, Llangower, Llanuwchllyn, Llanycil, Pale, Pandy, Gwynedd

LL31 Llandudno Junction, Conwy

LL33 Llanfairfechan, Conwy, Aber, Gwynedd

LL37 Llangelynin, Llwyngwril, Gwynedd

LL39 Arthog, Capel Arthog, Gwynedd

LL40 Cross Foxes, Dolgellau, Dolgelley, Dolgelly, Gwynedd, Llanelltyd, Llanfachreth, Meirionydd, Merioneth, Merionethshire, Gwynedd

LL46 Harlech, Llanfair, Gwynedd

LL51 Bryncir, Brynkir, Dolbenmaen, Gwynedd

LL53 Aberdaron, Abererch, Abersoch, Bodfean, Boduan, Bodvean, Bottwnog, Bryncroes, Carnguwch, Chwilog, Ederyn, Llanaelhaiarn, Llanaelliaiarn, Llanarmon, Llanbedrog, Llandegwning, Llandudwen, Llanengan, Llanfaelrhys, Llanfihangel Bachellaeth, Llanfihangel, Llangian, Llangwnadl, Llangybi, Llannor, Llanor, Llithfaen, Meyllteyrn, Morfa Nefyn, Morfa Nevin, Nefyn, Nevin, Penllech, Penrhos, Pistyll, Pwllbeli, Pwllheli, Rhiw, Rhôs-y-llan, Sarn, Tudweiliog, Twdweiliog, Gwynedd

A499, Aberdaron, Abererch, Abersoch, Afon Wen, Ala Road, Ala Uchaf, Allt Fawr, Allt Goch, Allt Salem, Anelog, Awelfryn, Bardsey Island, Boduan, Borth Fawr, Botwnnog, Bro Cymerau, Bro Gwylwyr, Bro Heli, Bro Llwyn, Bro Sion Wyn, Brooks, Bryn Estate, Bryn Glas, Bryn Hedd, Bryncroes, Bwlch Gwynt, Bwlchtocyn, Cae Arfryn, Cae Capel, Cae Du, Cae Hendy, Caernarvon Road, Cardiff Road, Carneddol, Carreg y Defaid, Cefn Morfa, Cefn Traeth, Cefn Y Twr, Ceidio, Cerrig Gleision, Churton Street, Chwilog, Cilan, Coed Helyg, Coleg Meirion Dwyfor, Coleg Meirion-Dwyfor, Congl Meinciau, Cornwall Estate, Cors Geirch, Cysgod Y Bryn, Cysgod Y Cwmwd, Denio, Dinas, Dolwar, Edern, Efailnewydd, Erwenni, Ffordd Cae Rhyg, Ffordd Dewi Sant, Ffordd Gwenllian, Ffordd Mela, Ffordd Pedrog, Gaol Street, Garn Boduan, Garnfadryn, Ger Afon, Glan Cymerau, Glan Pwll, Glan Rhyd, Groesfford, Groesffordd, Gwydryn Drive, Gybi, Hafan y Mor, Heol Hamdden, High Street, Innes Estate, Kingshead Street, Llanarmon, Llanbedrog, Llanengan, Llangian, Llangwnnadl, Llangybi, Llaniestyn, Llannor, Llithfaen, Llwyn Gwalch, Llwyndyrys, Llys Llywelyn, Llys Madryn, Lon Abererch, Lon Bodlondeb, Lon Boduan, Lon Bribwll, Lon Bridin, Lon Cae Glas, Lon Cernyw, Lon Coed, Lon Cytun, Lon Dywod, Lon Elim, Lon Engan, Lon Fawr, Lon Garmon, Lon Gerddi, Lon Goch, Lon Golff, Lon Groes, Lon Groesffordd, Lon Gwydryn, Lon Hawen, Lon Isaf, Lon Las, Lon Llan, Lon Pen Cei, Lon Pen Rhos, Lon Penrallt, Lon Pentre Bach, Lon Pin, Lon Pont Morgan, Lon Pwll Clai, Lon Pwll Wiliam, Lon Rhos, Lon Rhoslyn, Lon Sarn Bach, Lon Tan Y Bryn, Lon Terfyn, Lon Traeth, Lon Tyn Pwll, Lon Tyn Y Mur, Lon Ty'r Gof, Lon Uchaf, Lon Uwchmynydd, Lon Y Llwyn, Lon Y Traeth, Lon Yr Eglwys, Lower Cardiff Road, Machroes, Maen Llwyd, Maes Awel, Maes Terfyn, Maes Twnt, Maes y Garn, Maes Yr Orsaf, Manor Avenue, Marinaland, Market Square, Mitre Place, Morfa, Morfa Nefyn, Morfa'r Garreg, Mynydd Mawr, Mynydd Nefyn, Mynydd Rhiw, Mynytho, Nant Saethon, Nefyn, North Street, Parc Eithin, Parc Yr Efail, Parciau, Pen y Bryn, Pencaenewydd, Penllech, Penlon Llyn, Penrallt, Penrhos, Penrhydlyniog, Penrhyn Mawr, Pentreuchaf, Penybryn, Pen-y-Bryn, Pistyll, Porth Colmon, Porth Dinllaen, Porth Ychain, Pwll Wiliam, Pwllheli, Rhiw, Rhodfa Marian Y Mor, Rhodfa'r Garn, Rhoshirwaun, Rhydlios, Rhyd-y-clafdy, Sarn Bach, Sarn Mellteyrn, South Beach, St Tudwal's, Stad Ty Cerrig, Stryd Fawr, Stryd Moreia, Stryd Penlan, Stryd Potts, Stryd Y Ffynnon, Stryd Y Llan, Stryd Y Plas, Talcymerau Road, Tan Y Gaer, Tan Yr Eglwys, The Warren, Trefaes, Trefgraig, Treflan, Trewerin, Tudweiliog, Ty'n Pwll, Tyn Y Mur, Uwchmynydd, Wern Y Wylan, Whitehouse Drive, Wig, Y Fron, Y Groes, Y Lon Gam, Y Maes, Y Traeth, Yr Harbwr, Ysgol Botwnnog, Ysgol Crud y Werin, Ysgol Cymerau, Ysgol Gynradd Abersoch, Ysgol Gynradd Nefyn, Ysgol Gynradd Pentreuchaf

LL54 Bettws Garmon, Clynnog, Clynnog-fawr, Dinas, Groeslon, Gwydir, Gwydyr, Gyrngôch, Llandwrog, Llanllyfni, Llanwnda, Moaltryfan, Moel-tryfan, Nantlle, Pen-y-groes, Waenfawr, Gwynedd

Aberdesach, Allt Doli, B4418, Beach Road, Beddgwenan, Bethesda Bach, Betws Garmon, Bontnewydd, Bro Llwyndu, Bryn Glas, Bryn Rhedyw, Bryncelyn Road, Bwlch Mawr, Cae Bryn, Cae Melan, Cae Sarn, Cae'r Eglwys, Caernarfon Airport, Capel Uchaf, Carmel, Cefn Dyffryn, Chapel Street, Church Road, Cilgwyn, Clynnog Fawr, Coed Helen, Coed Henryd, Coleg Glynllifon, Dinas, Dinas Dinlle, Dolydd, Dyffryn Nantlle, Eifl Road, Ffordd Cae Duon, Ffordd Clynnog, Ffordd Cors Y Llyn, Ffordd Haearn Bach, Ffordd Iago, Ffordd Nasareth, Ffordd Nebo, Ffordd Pont Lloc, Ffordd Rhedyw, Ffordd Y Llyn, Ffordd Yr Aber, Ffordd yr Orsaf, Foel, Fron Deg, Garth Estate, Gerddi Benar, Gernant, Glan Aber, Groeslon, Gyrn Goch, Hen Lon, Hyfrydle Road, Lime Street, Llanaelhaearn, Llandwrog, Llanfaglan, Llanllyfni, Llanwnda, Llwyn Beuno, Llwyn Fuches, Llwyndu Road, Llys Eben, Llys Yr Eifl, Lon Bron Arfon, Lon Caernarfon, Lon Cefn Glyn, Lon Cefn Gosen, Lon Ddwr, Lon Eifion, Lon Newydd, Lon Pant Y Gog, Lon Pitar, Lon y Bryn, Lon Y Buarth, Lon Y Wig, Maen Dylan, Maes Dulyn, Maes Glas, Maes Gwydion, Maes Gwydir, Maes Hyfryd, Maes Tryfan, Maes Y Llan, Market Place, Moel Tryfan, Moelfre, Mor Awel, Nantlle, Nantlle Road, Nasareth, Nebo, Pen Bonc, Penygroes, Pontllyfni, Rhesdai Gwyrfai, Rhiwlas Road, Rhos Isaf, Rhosgadfan, Rhostryfan, Saron, Snowdon Street, Stad Tan Y Coed, Stryd Fawr, Sychnant Terrace, Tal Garnedd, Talysarn, Tan Yr Allt, Tre Wen, Trefor, Victoria Road, West End, Y Dreflan, Y Foryd, Y Fron, Y Garn, Y Garreg, Y Grugan, Yr Eifl, Ysgol Bro Lleu, Ysgol Bro Llifon, Ysgol Brynaerau, Ysgol Dyffryn Nantlle

LL55 Caernarvon, Caernarvonshire, Carnarvon, Carnarvonshire, Arfon, Conwy, Beddgelert, Caernarfon, Cwm-y-glo, Dinorwic, Llanberis, Llanrug, Carnarvon, Gwynedd

A4086, Ala Las, Allt Goch, Allt Pafiliwn, B4366, Balaclafa, Bangor Road, Bangor Street, Bank Quay, Bethel, Bethel Road, Bontnewydd, Bridge Street, Bro Eglwys, Bro Helen, Bro Rhythallt, Bro Waun, Bron Gwynedd, Bron Rhythallt, Bryn Crwn, Bryn Eglwys, Bryn Eilian, Bryn Goleu, Bryn Hyfryd, Bryn Moelyn, Bryn Rhos, Bryn Teg, Bryn Tirion, Brynrefail, Cae Berllan, Cae Capel, Cae Corn Hir, Cae Garw Road, Cae Gwyn, Cae Mur, Caeathro, Caeau Bach, Cae'r Saint, Caernarfon, Cambell Road, Castle Hill, Castle Square, Cefn Cadnant, Cefn Du, Cefn Elan, Cefn Hendre, Ceunant, Chapel Street, Church Lane, Church Road, Church Street, Cil Coed, Cil Isaf, Cil Peblig, Cil Uchaf, Clogwyn, Clwt-y-bont, Coed Doctor, Coed Helen Lane, Coed Mawr, Coed Tan-dinas, Coed Y Ddol, Craig Y Dinas, Cremlyn, Cwm Silyn, Cwm-y-glo, Deiniol Road, Deiniolen, Derwen Las, Dinorwig, Dinorwig Power Station, Dol Beuno, Dol Eilian, Eleanor Street, England Road North, England Road South, Erw Deg, Erw Wen, Fachwen, Ffordd Bryngwyn, Ffordd Caernarfon, Ffordd Cibyn, Ffordd Clegir, Ffordd Coed Marion, Ffordd Crawia, Ffordd Cwstenin, Ffordd Elidir, Ffordd Eryri, Ffordd Felin Seiont, Ffordd Glanffynnon, Ffordd Glanmoelyn, Ffordd Llanbeblig, Ffordd Maes Barcer, Ffordd Marchlyn, Ffordd Menai, Ffordd Minffordd, Ffordd Padarn, Ffordd Pafiliwn, Ffordd Pandy, Ffordd Pant, Ffordd Segontiwm, Ffordd Wern, Ffordd Ysgubor Goch, Fron Goch, Gallt Y Sil, Gallt-y-foel, Garnon Street, Garth, Gerddi Menai, Gerddi Padarn, Gilfach Ddu, Glan Moelyn, Glan Seiont, Glanffynnon, Glanrafon, Glaslyn, Glyn Rhonwy, Groeslon, Gwel Fynydd, Gwel Y Llan, Gwel Y Mynydd, Hafan Elan, Hafod Oleu, Hampton Road, Hendre Street, Henwalia, High Street, Hill Street, Hyfrydle, Llain Y Felin, Llanberis, Llanberis Road, Llanddeiniolen, Llanrug, Llwyn Beuno, Llyn Padarn, Llys Gwyn, Llys Siabod, Llys Tryfan, Llys Y Foel, Llys Y Garn, Llys Yr Eifl, Llys Yr Orsedd, Lon Bach, Lon Cae Darbi, Lon Cae Ffynnon, Lon Cilgwyn, Lon Garret, Lon Groes, Lon Helen, Lon Hen Felin, Lon Ty Gwyn, Lon Ysgol Rad, Maes Cadnant, Maes Gwylfa, Maes Gwynedd, Maes Hyfryd, Maes Meddyg, Maes Padarn, Maesincla, Maesincla Lane, Marchlyn Bach, Marcus Street, Market Street, Mill Lane, Minafon Terrace, Minffordd, Moel Eilio, Muriau Park, New Street, Newton Street, North Road, Palace Street, Pant Y Waun, Park Lane, Pen Cae, Pen Deitsh, Pendalar, Pengelli Wyn, Penisa'r Waun, Penllyn, Penrallt Isaf, Pentre Helen, Pool Lane, Pool Side, Pool Street, Porth Y Gogledd, Preswylfa, Priestley Road, Pwllheli Road, Rallt Goch, Rhes Cynfi, Rhes Priordy, Rhes Rhythallt, Rhes Segontiwm, Rhiwen, Rhos, Rhos Lan, Rhoslan, Rhyd Fadog, Saron, Seion, Shirehall Street, Sir Hugh Owen School, Skinner Street, Snowdon Mountain Railway, Snowdon Street, South Road, St David's Road, St Helen's Road, Stad Eryri, Station Road, Stryd Bellaf, Stryd Fawr, Stryd Goodman, Stryd Santes Helen, Stryd Siarlot, Stryd Warden, Stryd Y Castell, Stryd Y Porth Mawr, Stryd Yr Eglwys, Tai Caradog, Talafon, Tan Y Bont, Terfyn, Thomas Street, Tref Eilian, Trem Y Chwarel, Twthill East, Twthill West, Ty Du Road, Tyddyn Llwydyn, Uxbridge Square, Warfield Road, Water Street, Waun, Waunfawr, William Street, Y Bryn, Y Ddol, Y Glyn, Yr Hwylfa, Yr Wyddfa, Ysbyty Eryri, Ysgol Brynrefail, Ysgol Gynradd Llanrug, Ysgol Gynradd Waunfawr, Ysgol yr Hendre, Ystad Ddiwydiannol Y Glyn

LL57 Bethesda, Llandegai, Llanllechid, Menai Bridge, Menai, Tregarth, Tregorth, Gwynedd

A4244, A5, Abbey Road, Abercaseg, Adwy'r Nant, Ainon Road, Albert Street, Allt Glanrafon, Alotan Crescent, Ambrose Street, Ar Afon, Ashley Road, Bangor, Bangor Uchaf, Bangor University, Beach Road, Belmont Avenue, Belmont Drive, Belmont Road, Bethesda, Bontuchaf, Braichmelyn, Breeze Hill, Britannia Square, Bro Derfel, Bro Emrys, Bro Infryn, Bro Ogwen, Bro Rhiwen, Bro Salem, Bro Syr Ifor, Bron Arfon, Bron Bethel, Bron Ogwen, Bron Y Waun, Bryn Adda, Bryn Berllan, Bryn Caseg, Bryn Coed, Bryn Eglwys, Bryn Eithinog, Bryn Heulog Terrace, Bryn Ogwen, Bryniau, Brynteg Street, Bryntirion, Buckley Road, Cae Cilmelyn, Cae Glas, Cae Gors, Cae Gwigin, Caeau Gleision, Caellepa, Caerhun, Capel-y-graig, Cefnfaes Street, Ceris Newydd Nursing Home, Chapel Street, Cilfach Crwys, Cilfodan, Cilfodan Terrace, Clwt Rhywiog, Coed Mawr, Coed Rhydau, Coed Wern-ty-gwyn, Coed Y Castell, Coed Y Maes, Coetmor New Road, Coetmor Road, Coleg Menai, Convent Lane, Cwlyn, Cytir Lane, Dean Street, Deiniol Street, Ebenezer Place, Erw Faen, Erw Las, Euston Road, Evelyn Road, Farrar Road, Felln Hen Road, Ffordd Bangor, Ffordd Bronwydd, Ffordd Caernarfon, Ffordd Carneddi, Ffordd Ceiriog, Ffordd Coed Mawr, Ffordd Craig Y Don, Ffordd Crwys, Ffordd Cynan, Ffordd Deiniol, Ffordd Denman, Ffordd Eithinog, Ffordd Ffriddoedd, Ffordd Garth Uchaf, Ffordd Gelli Morgan, Ffordd Gerlan, Ffordd Glynne, Ffordd Gwyndy, Ffordd Gwynedd, Ffordd Hendre, Ffordd Hendrewen, Ffordd Islwyn, Ffordd Llanllechid, Ffordd Meirion, Ffordd Pen Y Bryn, Ffordd Penchwintan, Ffordd Penlan, Ffordd Penrhos, Ffordd Sackville, Ffordd Siliwen, Ffordd Tan Y Bryn, Ffordd Tan Y Bwlch, Ffordd Tanrhiw, Ffordd Tegid, Ffordd Tyn Clwt, Ffordd Y Castell, Ffordd Y Coleg, Ffordd Y Llyn, Ffordd Y Parc, Ffordd Y Stesion, Ffordd Y Traeth, Ffordd Y Tywysog, Ffordd Yr Elen, Field Street, Fountain Street, Friars Road, Fron Deg, Gardd Denman, Garneddwen, Garth, Garth Hill, Garth Road, Gefnan, Gerlan, Gernant, Glan Ffrydlas, Glan Menai, Glan Ogwen, Glanafon Street, Glanrafon, Glasinfryn, Goleufryn, Gorad Road, Goronwy Street, Greenwood Avenue, Gwern Las, Gwernydd, Gwynedd Hospital, Hafod Lane, Hafod Lon, Heol Dewi, Hermon Road, High Street, Hill Street, Hirael, Holyhead Road, Hwfa Road, James Street, John Street, Kingsley Avenue, Kyffin Square, Llain Deg, Llain Y Pebyll, Llain Yr Eglwys, Llandygai, Llanllechid, Llwyn Bedw, Llwyn Bleddyn Road, Llys Adda, Llys Dewi Sant, Llys Mair, Llys Tudur, Lon Glandwr, Lon Groes, Lon Las Ogwen, Lon Newydd, Lon Plas, Lon Pobty, Lon Sarnau, Lon Y Wern, Long Street, Love Lane, Lower Street, Maes Berea, Maes Bleddyn, Maes Coetmor, Maes Isalaw, Maes Mawr, Maes Yr Athro, Maesgeirchen, Menai Avenue, Min Menai, Min Y Coed, Minafon, Minffordd, Moelyci, Mount Street, Mountain Road, Mynydd Llandegai, Nant Ffrancon, Nant Graen, Orme Road, Pant, Pant Glas, Pant Road, Peacock Walk, Pen Y Bryn Road, Pen Y Ffridd Road, Penlon Gardens, Pennant Crescent, Penrallt Isaf, Penrallt Road, Penrhos Avenue, Penrhos Drive, Penrhyn Arms Wood, Penrhyn Park, Pentir, Penybryn, Plas Y Coed, Plas Y Gerddi, Porth Penrhyn, Rachub, Rallt Isaf, Rallt Uchaf, Rhes Sant Paul, Rhiwlas, Rhodfa Dewi Sant, Rhodfa Penrhyn, Rhodfa'r Frenhines, Rhos Uchaf, Rhosfryn, Rhoslan, Seiriol Road, Sling, Snowdon View, St Gerard's School, St James Drive, Station Road, Stryd Fawr, Stryd Jams, Stryd Waterloo, Stryd Yr Eglwys, Tal Gae, Tal-y-bont, Tan Y Coed, Tan Y Garth, Tanysgafell, The Crescent, Toronnen, Treborth Road, Trefonwys, Tregaean, Tregarth, Trem Elidir, Tryfan, Tyddyn Canol, Vaynol Park, Victoria Avenue, Victoria Drive, Victoria Park, Victoria Street, Water Street, Well Street, Wesley Street, West End, William Street, Y Bae, Y Garn, Y Gorlan, Y Rhos, York Place, Yr Elen, Ysgol Cae Top, Ysgol Friars, Ysgol Glanadda, Ysgol Glancegin, Ysgol Gynradd Llanllechid, Ysgol Hirael, Ysgol Tryfan, Ysgol y Faenol, Ysgol y Garnedd

LL58 Bangon, Bangor, Beaumaris, Llanddona, Llanfaes, Llanfihangel, Llanfihangel-ty'n-Sylwy, Llangoed, Isle of Anglesey

LL77 Anglesea, Anglesey, Isle of Anglesey, Llangefni, Llangwyllog, Sir Ynys Môn, Ynys Môn, Isle of Anglesey

SY20 Eglwys-fach, Scyborycoed, Tre-Taliesin, Ceredigion, Pennal, Dinas Mawddwy, Llanymawddwy, Aber Cowarch, Gwynedd, Aberllefenni, Aberllefenny, Cemmaes, Cemmaes Road, Cemmes Road, Corris, Darowen, Machynlleth, Mallwyd, Penegoes, Aberangell, Esgair-geiliog, Llanwrin, Powys