Demolition plans in Anglesey

80 demolition applications were submitted in Anglesey in the last 12 months, from garages and outbuildings to whole buildings. Of the 37 decided so far, 36 were approved. Demolish-and-rebuild schemes also appear under planned new homes.

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Showing 32 of 32 applications
25 Sept 2026 Valid VAR/2026/40

Ty Coch Farm, Rhostrehwfa

Cais o dan Adran 73 i ddiwygio amod (02) (Cynlluniau a gymeradwywyd) o caniatâd cynllunio rhif FPL/2025/223 (dymchwel yr annedd bresennol a chodi anne...

Removal/variation of conditions Anglesey
23 Sept 2026 Valid SCR/2026/39

Cae Fron, 17 Ystad Nant Bychan, Moelfre / Cae Fron, 17 Nant Bychan Estate, Moelfre

Barn Sgrinio ar gyfer dymchwel yr annedd presennol ynghyd a chodi annedd newydd yn ei le yn / Screening opinion for the demolition of the existing dwe...

Screening Opinion Anglesey
22 Sept 2026 Valid HHP/2026/156

16 Ffordd Llechi, Rhosneigr

Cais llawn am dymchwel, addasu ac ehangu yn / Full application for demolition, alterations and extensions at

Householder planning permission Anglesey
22 Sept 2026 Valid HHP/2026/154

39 Rhianfa, Benllech / 39 Rhianfa, Benllech

Cais llawn ar gyfer dymchwel y porth presennol ynghyd a addasu ag ehangu yn / Full application for demolition of existing porch together with alterati...

Householder planning permission Anglesey
22 Sept 2026 Valid FPL/2026/175

Hen Safle Capel Moreia, Cil-Bedlam, Porthaethwy / Former Site of Moreia Chapel, Dale Street, Menai Bridge

Cais llawn ar gyfer dymchwel yr annedd bresennol a'r datblygiad o'r safle i hwyluso gorsaf bwytho petrol a siop cyfleustra ar dir yn / Full applicati...

Full Planning Permission Anglesey
18 Sept 2026 Valid FPL/2026/202

Glan y Menai, Ffordd Biwmares, Glyngarth, Porthaethwy / Glan y Menai, Beaumaris Road, Glyngarth, Menai Bridge

Cais llawn ar gyfer dymchwel y dau annedd presennol, codi annedd yn ei le ynghyd ag anecs atodol yn / Full application for demolition of the two exist...

Full Planning Permission Anglesey
18 Sept 2026 Closed SCR/2026/38

Glan y Menai, Ffordd Biwmares, Glyngarth, Porthaethwy / Glan y Menai, Beaumaris Road, Glyngarth, Menai Bridge

Barn sgrinio ar gyfer dymchwel y dau annedd presennol, codi annedd yn ei le ynghyd ag anecs atodol yn / Screening opinion for demolition of the two ex...

Screening Opinion Anglesey
16 Sept 2026 Valid HHP/2026/152

Brackenwood, 39 Lon Conwy, Benllech

Cais llawn ar gyfer dymchwel y porth presennol, codi porth newydd ar ty blaen ynghyd a creu ardal decio yn y cefn yn / Full application for the demol...

Householder planning permission Anglesey
11 Sept 2026 Valid FPL/2026/204

Cae Fron, 17 Ystad Nant Bychan, Moelfre / Cae Fron, 17 Nant Bychan Estate, Moelfre

Cais llawn i ddymchwel yr annedd presennol ynghyd a chodi annedd newydd yn ei le yn / Full application for the demolition of the existing dwelling tog...

Full Planning Permission Anglesey
11 Sept 2026 Valid FPL/2026/194

Ty Rhos, Pontrhydybont / Ty Rhos, Four Mile Bridge

Cais llawn ar gyfer dymchwel yr annedd presennol a codi annedd newydd yn ei le gyda garej arwahan, estyniad i'r cwrtil ynghyd â gwaith dwr ac arddull ...

Full Planning Permission Anglesey
11 Sept 2026 Valid DEM/2026/10

Pencraig Mansions, Pencraig, Llangefni

Cais i bennu os oes angen caniatâd blaenorol ar gyfer dymchwel modurdai yn / Application to determine whether prior approval is required for the demol...

Determination Demolition Anglesey
11 Sept 2026 Valid DEM/2026/9

Dolafon, Llangefni

Cais i bennu os oes angen caniatâd blaenorol ar gyfer dymchwel modurdai yn / Application to determine whether prior approval is required for the demol...

Determination Demolition Anglesey
7 Sept 2026 Valid HHP/2026/145

Y Bwthyn, 30 Ravenspoint Road, Bae Trearddur / Y Bwthyn, 30 Ravenspoint Road, Trearddur Bay

Cais llawn ar gyfer dymchwel y garej presennol yn ogystal â addasu ac ehangu yn / Full application for the demolition of the existing garage together ...

Householder planning permission Anglesey
2 Sept 2026 Valid GWY/2026/2

Tir yn a ger yr hen Safle Ferodo / Land At And Adjacent To The Former Ferodo Site, Griffiths Crossing…

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...

Gwynedd Consultation Anglesey
28 Aug 2026 Decided 30 Sep SCR/2026/35

Ty Rhos, Pontrhydybont / Ty Rhos, Four Mile Bridge

Cais am barn sgrinio ar gyfer dymchwel yr annedd presennol a codi annedd newydd yn ei le a garej arwahan, estyniad i'r cwrtil ynghyd â gwaith dwr ac a...

Screening Opinion Anglesey
28 Aug 2026 Under Review HHP/2026/129

Swn y Môr, Pontrhydybont / Swn y Môr, Four Mile Bridge

Cais llawn ar gyfer dymchwel yr anecs bresennol a chodi anecs newydd yn cynnwys pwmp gwres ffynhonnell aer yn / Full application for the demolition of...

Householder planning permission Anglesey
27 Aug 2026 Valid FPL/2026/93

Gaerwen Arms, Chapel Street, Gaerwen

Cais llawn ar gyfer dymchwel y dafarn bresennol ynghyd â chodi 9 annedd (2 fforddiadwy), adeiladu ffordd fynediad mewnol, addasu'r mynediad presennol ...

Full Planning Permission Anglesey
26 Aug 2026 Under Review FPL/2026/181

Hen Lys Ynadon, Stryd Stanley, Caergybi / Old Magistrates Court, Stanley Street, Holyhead

Cais llawn ar gyfer trosi'r hen lys ynadon yn chwe uned breswyl fforddiadwy yn ogystal â dymchwel rhannol, addasu, ehangu a gwaith cysylltiedig yn / F...

Full Planning Permission Anglesey
21 Aug 2026 Valid CAC/2026/1

Hen Llys, Stanley Street, Caergybi / Old Magistrates Court, Stanley Street, Holyhead

Caniatad Ardal Cadwraeth ar gyfer dymchwel rhan o'r adeilad presennol, er mwyn creu 6 uned tai fforddiadwy yn rhan flaen sy'n weddill o'r adeilad yn /...

Conservation Area Consent Anglesey
19 Aug 2026 Valid FPL/2026/39

Ysgol Gynradd Dwyran, Lon Capel, Dwyran.

Cais llawn ar gyfer dymchwel rhan o'r hen ysgol, newid defnydd yr adeilad sy'n weddill i gyfleuster storio, a gosod 47 o gynwysyddion storio yn / Full...

Full Planning Permission Anglesey
12 Aug 2026 Valid FPL/2026/173

The Adelphi, 3 Lon y Cei/Quay Street, Amlwch

Cais llawn ar gyfer dymchwel y seler/storfa bresennol ac adeiladu estyniad ystafell ddigwyddiadau deulawr yn / Full application for the demolition of ...

Full Planning Permission Anglesey
11 Aug 2026 Valid LBC/2026/23

Clorach Bach, Llanerchymedd

Caniatâd Adeilad Rhestredig ar gyfer dymchwel, addasu ac ehangu yn / Listed Building Consent for demolition, alterations and extensions at

Listed Building Consent Anglesey
11 Aug 2026 Valid HHP/2026/134

Clorach Bach, Llanerchymedd

Cais llawn ar gyfer dymchwel, addasu ac ehangu yn / Full application for demolition, alterations and extensions at

Householder planning permission Anglesey
10 Aug 2026 Valid HHP/2026/130

Arlanfor, Moelfre

Cais llawn ar gyfer dymchwel, addasu ac ehangu ynghyd â chodi balconi yn / Full application for demolition, alterations and extensions together with e...

Householder planning permission Anglesey
10 Aug 2026 Approved 30 Sep FPL/2026/132

5 Ffordd yr Coleg, Porthaethwy / 5 Askew Street, Menai Bridge

Cais llawn ar gyfer dymchwel, addasu ac ehangu yn / Full application for demolition, extensions and alterations at

Full Planning Permission Anglesey
6 Aug 2026 Valid HHP/2026/132

Glandwr, Ffordd Lligwy, Moelfre

Cais llawn ar gyfer dymchwel, addasu ag ehangu yn / Full application for demolition, alterations and extensions at

Householder planning permission Anglesey
3 Aug 2026 Valid HHP/2026/128

8 Petersfield Estate, Mynydd Mechell, Amlwch

Cais llawn ar gyfer dymchwel, addasu a ehnagu yn / Full application for demolition, alterations and extension at

Householder planning permission Anglesey
30 Jul 2026 Valid CAC/2026/2

Cyn Capel Moreira a Glyn Derw, Cilbedlam, Porthaethwy / Former Moreira Chapel and Glyn Derw, Dale Street, Menai Bridge

Caniatad Ardal Cadwraeth ar gyfer dymchwel yr annedd presennol, ail-ddatblygu'r safle i greu gorsaf betrol a siop ategol yn ogystal â gwaith cysylltie...

Demolition in a conservation area Anglesey
28 Jul 2026 Valid FPL/2025/279

Coedle, Traeth Coch / Red Wharf Bay

Cais llawn ar gyfer dymchwel yr annedd bresennol a chodi annedd newydd yn ei le ynghyd a gosod tanc septic newydd yn / Full application for the demoli...

Full Planning Permission Anglesey
20 Jul 2026 Approved 21 Sep HHP/2026/119

Ty'n Mynydd, Lon Penmynydd, Porthaethwy / Ty'n Mynydd, Penmynydd Road, Menai Bridge

Cais llawn ar gyfer dymchwel, addasu ac ehangu yn / Full application for demolition, alterations and extensions at

Householder planning permission Anglesey
14 Jul 2026 Approved 26 Aug FPL/2026/40

Cumbria, High Street, Rhosneigr.

Cais llawn ar gyfer dymchwel yr adeilad tair llawr presennol ac adeiladu adeilad tair llawr yn ei le sy'n cynnwys chwe fflat preswyl ac uned fwyd a di...

Full Planning Permission Anglesey
7 Jul 2026 Valid FPL/2026/122

Llechi Cottage, 23 Ffordd Llechi, Rhosneigr

Cais llawn ar gyfer dymchwel yr annedd bresennol a chodi annedd newydd yn / Full application for the demolition of the existing dwelling and the erect...

Full Planning Permission Anglesey
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Frequently asked questions

Do you need planning permission to demolish a building?
Most demolition outside conservation areas is permitted development under Part 11 of the GPDO, but you must submit a prior-approval application covering method and restoration. Demolition of dwellinghouses always needs prior approval, even where permitted development applies.
What is a 'replacement dwelling' application?
Planning permission to demolish an existing dwelling and replace it with a new one. The principle is not automatic: councils assess the replacement against local policy on impact, scale, design and any heritage or rural-character considerations.
Can I get email alerts for new demolition applications in Anglesey?
Yes. Click "Set up alerts" on this page and you'll get a daily or weekly email listing every new demolition application published by Anglesey. You can also narrow the alert to a postcode, street, or drawn area.

We check Anglesey's planning portal daily. New demolition applications appear here within a day of being published.