Llanddeiniolen, Gwynedd Planning Applications
Recent planning applications near Llanddeiniolen, Gwynedd.
Gwynedd · Wales · settlement
About Llanddeiniolen
Llanddeiniolen is a vibrant community in Gwynedd, Wales, located 124 miles from Cardiff and 206 miles from London. It includes the hamlet of Llanddeiniolen and several villages such as Deiniolen, Bethel, and Dinorwig, with a population of 5,072 recorded in the 2011 census, making it the third-largest community in Gwynedd. The area also features the picturesque settlement of Fachwen, situated on the northern shores of Llyn Padarn, and is named after the Welsh saint Deiniol, a significant historical figure in the region.
Enter a postcode to search for planning applications near Llanddeiniolen.
Town Insights
Property Prices
Average property sale price: £197,252 (based on 50 recent transactions from HM Land Registry).
Area Information
- Admin district: Gwynedd
- Parliamentary constituency: Dwyfor Meirionnydd
- LSOA: Gwynedd 005C
Crime Statistics
0 crimes reported in 2026-02.
Keyword Scorecard
Planning constraint analysis based on the last 24 months of applications near Llanddeiniolen.
- Ecology & Wildlife Constraints (keywords: bats, bat survey, bat roost, great crested newt, GCN...)
- Trees & Landscape (keywords: tree preservation order, TPO, arboricultural, tree survey, root protection area...)
- Flood & Drainage (keywords: flood zone 2, flood zone 3, flood risk assessment, FRA, surface water...)
- Heritage & Conservation (keywords: listed building, grade II, grade II*, grade I, conservation area...)
- Green Belt (keywords: green belt, inappropriate development, very special circumstances, openness)
- Highways & Access (keywords: visibility splays, highway authority objection, access arrangement, parking provision, transport statement...)
- Refusal & Risk Indicators (keywords: refusal, delegated refusal, appeal dismissed, overdevelopment, character and appearance...)
- Planning Process & Appeals (keywords: appeal lodged, appeal allowed, appeal dismissed, public inquiry, inspector)
Planning Activity Summary
Approval rates, average decision times, and application type distribution for Llanddeiniolen based on the last 24 months of planning data.
Nearby Applications
32 planning applications found near Llanddeiniolen.
- - Idris Morris, Y Fachell, Llanddeiniolen, Caernarfon, Gwynedd, LL55 3AD
Cais cynllunio llawn ar gyfer trosi adeilad presennol yn lety byncws gyda gwaith addasu cysylltiedig ac defnyddio'r uned gyfagos at ddibenion storio. Full planning application for the conversion of an
Type: Full | Council: Gwynedd | Date: 2026-01-13
View full details - - Fachell Bach, Llanddeiniolen, Caernarfon, Gwynedd, LL55 3AD
Newid defnydd adeiladau allanol amaethyddol gwag presennol yn anecs at ddefnydd teuluol a 2 fwthyn gwyliau arhosiad byr, gosod tanc septig newydd a maes draenio a ffurfio mynediad newydd i gerbydau yn
Type: Full | Council: Gwynedd | Date: 2025-09-11
View full details - - Idris Morris, Y Fachell, Llanddeiniolen, Caernarfon, Gwynedd, LL55 3AD
Cais cynllunio llawn ar gyfer trosi adeilad presennol yn byncws gyda gwaith addasu cysylltiedig. Full planning application for the conversion of an existing building into a bunkhouse accommodation wit
Status: Rejected | Type: Full | Council: Gwynedd | Date: 2025-04-28
View full details - - 6 Seion Terrace, Seion, Caernarfon, Gwynedd, LL55 3AF
Gosod Pwmp Gwres Riello ar flaen yr eiddo. Installation of a Riello Heat Pump at the front of the property
Status: Conditions | Type: Full | Council: Gwynedd | Date: 2025-04-10
View full details - - Tŷ Rallt, Seion, Caernarfon, Gwynedd, LL55 3AE
Codi to dros yr iard fferm bresennol To erect a roof over existing farm yard area
Status: Conditions | Type: Full | Council: Gwynedd | Date: 2024-03-22
View full details - - Y Fachell, , Llanddeiniolen, LL55 3AD
Cais ar gyfer codi adeilad deulawr er mwyn creu 2 uned wyliau / Application for the erection of two storey building to create 2 holiday accommodation units
Status: Rejected | Type: Full | Council: Gwynedd | Date: 2020-12-17
View full details - - Cae O.S. 5781, Seion, Caernarfon, Gwynedd, LL553AE
Diwygio amod 2 ar ganiatd rhif C18/0950/18/LL er caniatau manylion diwygiedig / Variation of condition 2 on planning permission C18/0950/18/LL to allow revised details
Status: Conditions | Type: Full | Council: Gwynedd | Date: 2019-08-14
View full details - - Y Fachell, Llanddeiniolen, Caernarfon, Gwynedd, LL55 3AD
Addasu ac ymestyn y modurdy presennol i anecs / Convert and extend the existing garage into an annexe
Status: Conditions | Type: Full | Council: Gwynedd | Date: 2019-06-13
View full details - - Tir rhwng Cae O.S. 5781 a Nant Cefn, Seion, Caernarfon, Gwynedd, LL553AE
Tysytysgrif cyfreithloni ar gyfer gosod pibell ollwng tan - ddaearol / Certificate of lawfulness regarding the installation of a below ground outfall pipe
Status: Permitted | Type: Amendment | Council: Gwynedd | Date: 2019-04-10
View full details - - Cae O.S. 5781, Seion, Caernarfon, Gwynedd, LL553AE
Diddymu amod rhif 4 o ganiatad cynllunio C18/0950/18/LL parthed dim datblygiad i'w gario allan ym mhorfa Rhos / Delete condition number 4 of planning permission C18/0950/18/LL relating to no work bein
Status: Conditions | Type: Full | Council: Gwynedd | Date: 2019-04-02
View full details - - Cae O.S. 5781, Seion, Caernarfon, Gwynedd, LL553AE
Rhyddhau amod 5 o ganiatad cynllunio rhif C18/0950/18/LL parthed manylion cofnod archeolegol / Discharge of condition number 5 of planning permission reference C18/0950/18/LL regarding archaeolgical r
Status: Permitted | Type: Conditions | Council: Gwynedd | Date: 2019-02-25
View full details - - FFERM TY MAWR, LLANDDEINIOLEN, GWYNEDD, LL55 3AD
Estyniad i'r sied amaethyddol presennol ar gyfer lloches da byw a phorthiant / Extension to the existing agricultural shed so as to provide shelter for livestock and store feed.
Status: Conditions | Type: Full | Council: Gwynedd | Date: 2018-10-30
View full details - - Cae O.S. 5781, Seion, Caernarfon, Gwynedd, LL553AE
Gwaith trin dwr aflon, rhodfa, gwellianau i'r fynedfa, ffensys a thirlunio / Wastewater treatment works, trackway, improvements to the access, fencing and landscaping
Status: Conditions | Type: Full | Council: Gwynedd | Date: 2018-10-10
View full details - - Cae O.S. 5781, Seion, Caernarfon, Gwynedd, LL553AE
Gwaith trin dwr aflon, rhodfa, gwellianau i'r fynedfa, ffensys a thirlunio / Wastewater treatment works, trackway, improvements to the access, fencing and landscaping
Status: Undecided | Type: Outline | Council: Gwynedd | Date: 2018-10-10
View full details - - 1 Cefn Gryddyn, Llanddeiniolen, Caernarfon, LL553AE
Codi modurdy domestig newydd yn nhu blaen yr eiddo / Erection of a new domestic garage at front of property
Status: Conditions | Type: Full | Council: Gwynedd | Date: 2018-08-29
View full details - - Tynrardd, Llanddeiniolen, Caernarfon, LL553AE
Codi estyniad deulawr to flat ar gefn yr eiddo ynghyd a chodi modurdy / Erection of a two storey flat roof extension together with erection of a garage
Status: Conditions | Type: Full | Council: Gwynedd | Date: 2014-04-25
View full details - - Gors Bach, Llanddeinolen, Caernarfon, Gwynedd, LL553AD
CAIS AR GYFER CODI ANECS AR GYFER DEFNYDD PERSON ANABL YNG NGHEFN YR EIDDO / APPLICATION FOR AN ANNEXE TO BE USED BY A DISABLED PERSON AT THE REAR OF THE PROPERTY
Status: Conditions | Type: Full | Council: Gwynedd | Date: 2013-06-18
View full details - - Ty'n Rhos Country House, Llanddeiniolen, Caernarfon, LL55 3AE
CAIS AR GYFER CODI ESTYNIAD IR YSTAFELL FWYTA GYDA BALCONI UWCHBEN YNGHYD A NEWIDIADAU ALLANOL IR DRYSAU A FFENESTRI / APPLICATION FOR THE ERECTION OF AN EXTENSION
Status: Conditions | Type: Full | Council: Gwynedd | Date: 2012-11-22
View full details - - Capel Seion, Seion, Llanddeiniolen, Caernarfon, Gwynedd, LL553AE
ADDASU CYN-FESTRI I UNED WYLIAU / CONVERSION OF PREVIOUSLY USED VESTRY INTO A HOLIDAY UNIT
Status: Conditions | Type: Full | Council: Gwynedd | Date: 2012-07-20
View full details - - Gors Bach Inn, Llanddeiniolen, Caernarfon, LL553AD
ESTYNIAD YN Y CEFN AR GYFER PERSON ANABL / REAR EXTENSION TO ACCOMMODATE A DISABLED PERSON
Status: Conditions | Type: Full | Council: Gwynedd | Date: 2012-02-08
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A brief summary of Llanddeiniolen in Gwynedd
Llanddeiniolen is a vibrant community in Gwynedd, Wales, located 124 miles from Cardiff and 206 miles from London. It includes the hamlet of Llanddeiniolen and several villages such as Deiniolen, Bethel, and Dinorwig, with a population of 5,072 recorded in the 2011 census, making it the third-largest community in Gwynedd. The area also features the picturesque settlement of Fachwen, situated on the northern shores of Llyn Padarn, and is named after the Welsh saint Deiniol, a significant historical figure in the region.
Property prices in Llanddeiniolen show an average sale price of £197,252, based on 50 recent transactions recorded by HM Land Registry.
There were no crimes reported in the immediate area during the most recent reporting period. This makes Llanddeiniolen a particularly low-crime area.
For anyone interested in property development or monitoring local planning decisions, Llanddeiniolen planning applications can be searched by entering a local postcode above. Results include full application details, decision status, and the ability to track applications over time and set planning alerts to help you monitor and review pending planning applications.
Planning Activity in Llanddeiniolen
In the last 24 months, 9 planning applications were submitted near Llanddeiniolen. Of these, 0% were approved.
This is below the national average of approximately 87%, which may reflect stricter local policies, sensitivity of the area, or higher levels of speculative applications. Pre-application advice is particularly worthwhile near Llanddeiniolen.
The most common application types near Llanddeiniolen were full planning applications (9). Full planning applications account for 100% of all submissions, covering new builds, change of use, and works that go beyond permitted development rights.
Nearby Towns
Explore planning applications in nearby areas:
- Fachell planning applications
- Seion planning applications
- Waun planning applications
- Capel-y-graig planning applications
- Pont-Rhythallt planning applications
- Llanrug planning applications
- Bethel planning applications
- Saron planning applications
Related Planning Guides
- What Is Planning Permission in the UK? — Planning permission is the formal approval you need from your local council before making certain changes to a building or piece of land.
- What Is Permitted Development? — Permitted development rights allow certain building works and changes of use without the need to apply for planning permission.
- How Long Does Planning Permission Take? — Typical timelines for planning permission decisions in the UK, from submission to approval, and what can cause delays.