Council hub · Wales
Denbighshire planning applications
505 applications.
As of June 2026, PlanIndex holds 505 planning applications from Denbighshire.
All applications
Newest first · page 1 of 11
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43/2026/0258/TP Status unknown
THE SPINNEY WOOD Sandy Lane, Prestatyn, Denbighshire
Tocio canghennau lefel isel yn ysgafn i hwyluso gosod paneli llwybr / Light pruning of low level branches to facilitate laying of trackway panels
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40/2026/0257/EIA-SCR Status unknown
A55 Corridor Between Colwyn Bay And St. Asaph ., .
Cais am Farn Sgrinio ar gyfer MaresConnect - Rhyng-gysylltydd trydan Cerrynt Uniongyrchol Foltedd Uchel (HVDC) 750 megawat (MW) arfaethedig sy'n cysylltu Iwerddon a Chymru / Screening Opinion Request for MaresConnect - Proposed 750 megawatt (MW) High Voltage Direct Current (HVDC) electricity interconnector linking Ireland and Wales
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01/2026/0255/PS Status unknown
PLOT 3 Llwyn Goch, Colomendy Industrial Estate, Denbigh, Denbighshire
Amrywiad o amod rhif 2 o gais rhif 01/2023/0206 i ganiatau newidiadau dylunio / Variation of condition no. 2 of application code no. 01/2023/0206 to allow design changes
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43/2026/0276/HH Status unknown
HILL HOUSE Hillside, Prestatyn, Denbighshire, LL19 9PW
Codi estyniad ochr unllawr, ardaloedd balconi teras allanol i'r blaen, ailgyflunio'r cynllun mewnol a gwaith cysylltiedig / Erection of a single storey side extension, external terrace balcony areas to front, reconfiguration of internal layout and associated works
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41/2026/0273/NMA Granted
1, WARREN HOUSE, Bodfari, Denbigh, Denbighshire, LL16 4DP
Diwygiadau i'r cynlluniau cymeradwy a gyflwynwyd mewn perthynas a chais rhif 41/2021/1213 (diwygiad anfaterol) / Amendments to the approved plans submitted in relation to application code no. 41/2021/1213 (non-material amendment)
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02/2026/0274/AC Status unknown
Former, Rhos Street School Rhos Street, Ruthin, Denbighshire
Manylion y Protocol Cyfathrebu (amod 18); Ailddefnyddio deunyddiau (amod 19 rhannol) a rhaglen cofnodi a dadansoddi adeiladau (amod 20) a gyflwynwyd yn unol a chais rhif 02/2022/0561 / Details of Communications Protocol (condition 18); Re-use of materials (condition 19 partial) and programme of building recording and analysis (condition 20) submitted in accordance with application code no. 02/2022/0561
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01/2026/0275/PF Status unknown
PEN Y MAES, Llanrhaeadr, Denbigh, Denbighshire, LL16 4NG
Newid defnydd tir amaethyddol yn gyfleuster ymarfer cwn masnachol a gwaith cysylltiedig / Change of use of agricultural land to a commercial dog exercise facility and associated works
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45/2026/0269/HH Status unknown
14 Oaklea Court, Rhyl, Denbighshire, LL18 4NP
Codi estyniad unllawr i gefn yr annedd a chodi garej ar wahan yn ei le / Erection of a single storey extension to rear of dwelling and erection of a replacement detached garage
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28/2026/0256/AC Status unknown
GARN, Henllan, Denbigh, Denbighshire, LL16 5BW
Manylion a rhannau gwaith coed ffenestri ar raddfa fawr gan gynnwys manylion is-siliau a lintel a gyflwynwyd yn unol ag amod rhif 3 o Ganiatad Adeilad Rhestredig Rhif 28/2025/0465 / Window large-scale joinery details and sections including sub cills and lintel details submitted in accordance with condition no. 3 of Listed Building Consent Code No. 28/2025/0465
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17/2026/0268/PF Status unknown
Land South Of, Pendinas Reservoir, Llandegla, Wrexham, Denbighshire
Gosod twr dellt 20m yn cynnal 3 antena, 2 ddysgl 600mm ac offer ategol; 2 gabinet offer, 1 cabinet mesurydd ac offer ategol cysylltiedig wedi'u hamgáu o fewn cyfansoddyn ffens rhwyll weldio 2.1m / Installation of a 20m lattice tower supporting 3no. antennas, 2no. 600mm dishes and ancillary equipment; 2no. equipment cabinets, 1no. meter cabinet and associated ancillary equipment enclosed within a 2.1m weld mesh fence compound
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45/2026/0270/TP Status unknown
PRESWYLFA NURSING HOME, 20 Russell Road, Rhyl, Denbighshire, LL18 3DD
Ail-dorri coed sy'n destun Gorchymyn Cadw Coed / Re-pollarding of trees subject to a Tree Preservation Order
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44/2026/0272/PF Status unknown
THE ORCHARD Pentre Lane, Rhuddlan, Rhyl, Denbighshire, LL18 6HY
Codi 1 annedd ar wahan a gwaith cysylltiedig / Erection of 1 no. detached dwelling and associated works
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23/2026/0265/HH Status unknown
TWR GWYN, Llanrhaeadr, Denbigh, Denbighshire, LL16 4PE
Dymchwel estyniad to fflat a chodi estyniad cegin newydd / Demolition of flat roof extension and erection of a new kitchen extension
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03/2026/0264/LBC Status unknown
FRON DEG Abbey Road, Llangollen, Denbighshire, LL20 8EF
Trosi ystafell ymolchi flaen yn astudiaeth, creu ystafell ymolchi newydd yn yr ystafell wely gefn bresennol (cais Adeilad Rhestredig) / Conversion of front bathroom into a study, creating a new bathroom in existing back bedroom (Listed Building application)
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22/2026/0259/PF Status unknown
GOLDEN LION INN, Llangynhafal, Denbigh, Denbighshire, LL16 4LN
Newid defnydd tafarn i un annedd a gwaith cysylltiedig / Change of use of public house to a single dwelling and associated works
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03/2026/0262/AC Status unknown
CEMETERY FIELDS Vicarage Road, Llangollen, Denbighshire
Manylion y cynllun ar gyfer gwella bioamrywiaeth a gyflwynwyd yn unol ag amod rhif 5 o ganiatad cynllunio rhif 03/2025/0429 / Details of scheme for biodiversity enhancement submitted in accordance with condition no. 5 of planning permission code no. 03/2025/0429
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19/2026/0261/PF Status unknown
TYN Y MYNYDD, Llanelidan, Ruthin, Denbighshire, LL15 2LG
Codi cyfleuster trin cwn / Erection of a dog grooming facility
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20/2026/0263/PF Status unknown
LLANBENWCH, Llanfair Dyffryn Clwyd, Ruthin, Denbighshire, LL15 2SH
Codi estyniad i gaffi/siop bresennol a gwaith cysylltiedig / Erection of extension to existing café/shop and associated works
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47/2026/0260/PC Status unknown
Gardeners Cottage At, Plas Yn Cwm, Rhuallt, St Asaph, Denbighshire, LL17 0AL
Newid defnydd adeilad storio i ffurfio atodiad i'w ddefnyddio'n ategol i'r annedd bresennol (cais ol-weithredol) / Change of use of storage building to form an annexe for use ancillary to the existing dwelling (retrospective application)
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21/2026/0254/HH Status unknown
PWLL Y BLAWD, Llanferres, Mold, Denbighshire, CH7 5SE
Codi estyniad cegin unllawr / Erection of a single storey kitchen extension
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28/2026/0232/AC Granted
LAND AT Cil Y Coed, Henllan, Denbigh, Denbighshire
Manylion deunyddiau a gorffeniadau a gyflwynwyd yn unol ag amod rhif 14 o ganiatad cynllunio rhif 28/2023/0851 / Details of materials and finishes submitted in accordance with condition no. 14 of planning permission code no. 28/2023/0851
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45/2026/0253/PF Status unknown
Unit A5 And A6 Cefndy Road Employment Park, Rhyl, Denbighshire
Newid defnydd safle i gyfleuster preifat i ymarfer corff cwn dan do cymunedol a chyfleuster cyfoethogi / Change of use of premises to a private hire, community indoor dog exercise and enrichment facility
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17/2026/0251/LP Status unknown
1 Plas Teg, Llandegla, Wrexham, Denbighshire, LL11 3AQ
Tystysgrif datblygiad cyfreithlon ar gyfer codi ystafell wydr arfaethedig i gefn yr annedd / Lawful development certificate for the proposed erection of a conservatory to rear of dwelling
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07/2026/0252/PF Status unknown
TYFOS, Llandrillo, Corwen, Denbighshire, LL21 0TA
Gosod Boeler Biomas a ffliw yn lle Unedau Gwres a Phwer Cyfun (CHP) presennol o fewn adeilad amaethyddol presennol a gweithiau cysylltiedig / Installation of a Biomass Boiler and flue in place of existing Combined Heat and Power Units (CHP) within existing agricultural building and associated works
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47/2026/0250/HH Status unknown
CORNELYN, Rhuallt, St Asaph, Denbighshire, LL17 0AL
Codi balconi ar y llawr cyntaf / Erection of first floor balcony
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05/2026/0248/NMA Granted
YSGUBOR CARREG AFON, Corwen, Denbighshire, LL21 9EH
Diwygiadau i gynlluniau cymeradwy arfaethedig a gyflwynwyd mewn perthynas a chais rhif 05/2019/0215 (diwygiad anfaterol) / Amendments to proposed approved plans submitted in relation to application code no. 05/2019/0215 (non-material amendment)
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40/2026/0249/AC Status unknown
PLASTECOWOOD LTD Expressway Business Park, Bodelwyddan, Rhyl, Denbighshire, LL18 5SQ
Manylion cynllun ar gyfer gwella bioamrywiaeth a gyflwynwyd yn unol ag amod rhif 3 o ganiatad cynllunio rhif 40/2024/1506 / Details of a scheme for biodiversity enhancement submitted in accordance with condition no. 3 of planning permission code no. 40/2024/1506
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24/2026/0247/HH Status unknown
PLAS ISAF, Rhewl, Ruthin, Denbighshire, LL15 1UH
Trosi 2 adeilad allanol i ffurfio estyniad i'r annedd bresennol, newidiadau a gwaith cysylltiedig / Conversion of 2 no. outbuildings to form an extension to the existing dwelling, alterations and associated works
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44/2026/0246/PF Status unknown
WYMORE VILLA Dyserth Road, Rhuddlan, Rhyl, Denbighshire, LL18 5RD
Newid defnydd ty annedd (Dosbarth Defnydd C3) i gartref preswyl i blant (Dosbarth Defnydd C2) / Change of use of dwellinghouse (Use Class C3) to a residential children's home (Use Class C2)
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02/2026/0244/TP Status unknown
RUTHIN CASTLE HOTEL Castle Street, Ruthin, Denbighshire, LL15 2NU
Tynnu coed sy'n destun Gorchymyn Cadw Coed / Removal of trees subject to a Tree Preservation Order
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43/2026/0243/PF Status unknown
Unit 26 And 28, Prestatyn Business Park Warren Drive, Prestatyn, Denbighshire, LL19 7AZ
Newid defnydd unedau i gyfleuster gofal dyddiol cwn, gan gynnwys newidiadau mewnol cysylltiedig, man chwarae awyr agored, mesurau lliniaru acwstig a chyfleusterau gweithredol ategol / Change of use of units to a dog day care facility, including associated internal alterations, outdoor play area, acoustic mitigation measures and ancillary operational facilities
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43/2026/0242/HH Status unknown
22 Derwent Close, Prestatyn, Denbighshire, LL19 7TT
Codi estyniadau unllawr i flaen, cefn ac ochr yr annedd a gwaith cysylltiedig / Erection of single storey extensions to front, rear and side of dwelling and associated works
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16/2026/0230/PF Status unknown
BRYN DERW, Llanbedr Dyffryn Clwyd, Ruthin, Denbighshire, LL15 1UT
Codi adeilad storio amaethyddol gan gynnwys tirlunio cysylltiedig / Erection of an agricultural storage building including associated landscaping
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04/2026/0240/PF Status unknown
Agricultural Building, BRYN DREINIOG, Derwen, Corwen, Denbighshire
Estyniad i adeilad amaethyddol presennol ar gyfer da byw ar wellt a storfa beiriannau / Extension to existing agricultural building for livestock on straw and machinery store
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45/2026/0237/PF Status unknown
58 - 60 Wellington Road, Rhyl, Denbighshire, LL18 1LA
Ffurfio cyfansoddyn storio diogel i gynnwys 5 cynhwysydd storio a fydd yn gartref i offer a deunyddiau i gefnogi'r rhwydwaith seilwaith telathrebu lleol / Formation of a secure storage compound to include 5 no. storage containers that will house equipment and materials in support of the local telecoms infrastructure network
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18/2026/0239/HH Status unknown
LLWYN HELYG Whitchurch Road, Llandyrnog, Denbigh, Denbighshire, LL16 4ET
Codi estyniad, addasiadau a gwaith cysylltiedig (ailgyflwyno) / Erection of extension, alterations and associated works (resubmission)
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18/2026/0236/HH Status unknown
6, GLADSTONE TERRACE, Llandyrnog, Denbigh, Denbighshire, LL16 4HE
Codi estyniadau a newidiadau i'r annedd / Erection of extensions and alterations to dwelling
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22/2026/0238/LP Status unknown
HOMEACRE, Llanychan, Ruthin, Denbighshire, LL15 1TY
Tystysgrif datblygiad cyfreithlon ar gyfer yr estyniad newydd arfaethedig i ddisodli ystafell haul; ailosod canopi'r fynedfa flaen yn rhannol, a chladin rhannol / Lawful development certificate for the proposed replacement of sunroom with new extension; partial replacement of front entrance canopy, and partial cladding
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25/2026/0235/TC Status unknown
PARISH CHURCH OF ST JAMES, Nantglyn, Denbigh, Denbighshire
Gwaith i goed o fewn yr Ardal Gadwraeth / Works to trees within the Conservation Area
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11/2026/0231/AC Status unknown
DNS/3214855 - Alwen Forest Wind Farm, .
Manylion Cynllun Ymchwiliadau Safle a gyflwynwyd yn unol ag amod rhif 6 o gymeradwyaeth gynllunio DNS/3214855 / Details of Site Investigations Scheme submitted in accordance with condition no. 6 of planning approval DNS/3214855
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01/2026/0234/LBC Status unknown
PLOUGH INN Bridge Street, Denbigh, Denbighshire, LL16 3TF
Ffurfio dihangfa dan allanol newydd, ynghyd a ffens rhwyll; codi canopi to polycarbonad dros y brif fynedfa a gwaith cysylltiedig (cais Adeilad Rhestredig) / Formation of a new external fire escape, together with mesh fencing; erection of a polycarbonate roof canopy over main entrance and associated works (Listed Building application)
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01/2026/0233/PF Status unknown
PLOUGH INN Bridge Street, Denbigh, Denbighshire, LL16 3TF
Ffurfio dihangfa dan allanol newydd, ynghyd a ffens rhwyll; codi canopi to polycarbonad dros y brif fynedfa a gwaith cysylltiedig / Formation of a new external fire escape, together with mesh fencing; erection of a polycarbonate roof canopy over main entrance and associated works
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23/2026/0228/AC Granted
PENTRE ISA, Llanrhaeadr, Denbigh, Denbighshire, LL16 4PD
Manylion rhaglen cofnodi a dadansoddi adeiladau, sy'n cyfateb i arolwg adeiladau Lefel 2 Lloegr Hanesyddol (amod 5) a chynllun draenio dwr budr a dwr wyneb (amod 6) a gyflwynwyd yn unol a chais rhif 23/2025/0546 / Details of programme of building recording and analysis, equivalent to an Historic England Level 2 building survey (condition 5) and foul and surface water drainage scheme (condition 6) submitted in accordance with application code no. 23/2025/0546
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28/2026/0225/AC Granted
LAND AT Cil Y Coed, Henllan, Denbigh, Denbighshire
Manylion cynllun, dyluniad, goleuadau stryd, arwyddion, draenio ac adeiladu ffordd fewnol yr ystad/a mynediad i'r safle, cysylltiadau troedffordd a gwaith priffyrdd cysylltiedig a gyflwynwyd yn unol ag amod rhif 3 o ganiatad cynllunio rhif 28/2023/0851 / Details of layout, design, street lighting, signing, drainage and construction of the internal estate road/and access to the site, footway links and associated highway works submitted in accordance with condition no. 3 of planning permission code no. 28/2023/0851
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28/2026/0227/TC Status unknown
Car Park At Lon Las, Henllan, Denbigh, Denbighshire
Torri coeden onnen ddeu-goesyn o fewn yr Ardal Gadwraeth / Felling of twin-stem Ash tree within the Conservation Area
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19/2026/0226/AG Granted
PEN Y GRAIG, Graigadwywynt, Ruthin, Denbighshire, LL15 2TE
Hysbysiad ymlaen llaw ar gyfer codi silo grawn ar sylfaen goncrit / Prior notification for the erection of a grain silo on a concrete base
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12/2026/0223/PS Status unknown
LAND ADJOINING CRUD YR AWEL, Clawddnewydd, Ruthin, Denbighshire
Amrywiad o amod rhif 2 o ganiatad cynllunio rhif 12/2021/0862 i ganiatau newidiadau i gynlluniau llawr ac ymddangosiad allanol rhai o'r mathau o dai a'r plotiau / Variation of condition no. 2 of planning permission code no. 12/2021/0862 to allow amendments to the floor layouts and external appearance of some of the house types and plots
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43/2026/0224/MD Status unknown
Land At, MINDALE FARM Ffordd Hendre, Meliden, Prestatyn, Denbighshire
Dymchwel adeiladau presennol, codi 146 o anheddau fforddiadwy a gwaith cysylltiedig gan gynnwys ffordd fynediad, tirlunio a mannau agored cyhoeddus, draenio, a seilwaith arall / Demolition of existing buildings, erection of 146 affordable dwellings and associated works including access road, landscaping and public open space, drainage, and other infrastructure
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45/2026/0222/PF Status unknown
QUAY STREET CAR PARK Quay Street, Rhyl, Denbighshire
Newid Defnydd ar gyfer lleoliad 8 bae parcio dros nos ar gyfer cartrefi modur a seilwaith cysylltiedig / Change of Use for the location of 8 no. short stay overnight parking bays for motorhomes and associated infrastructure
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40/2026/0221/PS Status unknown
Plot C7 St Asaph Business Park, St Asaph, LL17 0JB
Amrywiad o amod rhif 2 o ganiatad cynllunio rhif 40/2021/0309 i ganiatau gwelliannau i gynllun/dyluniad/manylion cartref gofal; dileu cynlluniau tirlunio cymeradwy; ac amrywiad o amod rhif 7 i adlewyrchu dull graddol o weithredu'r manylion tirlunio / Variation of condition no. 2 of planning permission code no. 40/2021/0309 to allow amendments to layout/design/detail of care home; removal of approved landscaping plans; and variation of condition no. 7 to reflect a phased approach to the implementation of the landscaping details
Recent decisions
Data to June 2026
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46/2022/1028 Granted
44 Llwyn Elwy, St. Asaph, Ll17 0Np
Darparu dormer to fflat ar y drychiad cefn i ddarparu lle ychwanegol uwchben y grisiau newydd a gyflwynwyd mewn perthynas a chais rhif 46/2021/1268 (diwygio anfaterol) / Provision of flat roofed dormer to rear elevation to provide additional headroom over new staircase submitted in relation to application code no. 46/2021/1268 (non-material amendment)
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03/2021/1071 Granted
Pengwern Community Centre, Maes Pengwern, Llangollen, Ll20 8Bb
Lleoliad adeilad cynhwysydd storio sengl ac adeilad cynhwysydd storio dwbl, i'w ddefnyddio mewn cysylltiad a'r ganolfan gymunedol bresennol. Ffurfio gardd gymunedol, tirlunio a gwaith cysylltiedig / Siting of a single storage container building and a double storage container building, for use in connection with existing community centre. Formation of community garden, landscaping and associated works
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46/2021/1268 Granted
44 Llwyn Elwy, St. Asaph, Ll17 0Np
Codi estyniad deulawr gan gynnwys newidiadau i'r to / Proposed two storey rear extension including hipped to gable roof alteration
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Common questions
When is planning activity busiest in Denbighshire?
November 2025 was the busiest month across the 12 months to June 2026, with 72 applications recorded. The monthly pattern is listed on this page.
How do I find a planning application by its reference number?
Every application indexed here has its own page at a stable address. Look the reference up in a search engine together with the council name, or browse the latest applications below. Each page shows the description, address, dates and decision as the council published them.
Where can I see the full documents for an application?
Plans, drawings and officer reports stay on Denbighshire's own planning portal. Every application page here links straight to the source record.
Cite these figures
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Denbighshire: 505 planning applications on record as of June 2026. 502 new applications received in the same period. Source: PlanIndex, planindex.co.uk.