House extensions in Argyll

Argyll received 381 householder applications in the last 12 months - about 7 a week. Garage works and rear extensions are the most common. Of the 275 decided so far, 272 were approved. If you're planning your own, the applications below show what people nearby applied for and how the council decided.

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Showing 50 of 105 applications
Yesterday Awaiting decision 26/02048/LIB

49A Mountstuart Road Rothesay Isle Of Bute Argyll And Bute PA20 9EB

Installation of 2 x rear replacement windows

Application for Listed Building Consent Argyll
6 Nov 2026 Awaiting decision 26/01945/PP

36 Cullipool Isle Of Luing Argyll And Bute PA34 4UB

Erection of garden studio

Planning Permission Argyll
3 Nov 2026 Awaiting decision 26/00793/PP

Land South West Of Scotnish Farm Tayvallich Lochgilphead Argyll And Bute

Upgrade to existing vehicular access and formation of access track

Planning Permission Argyll
30 Oct 2026 Awaiting decision 26/01843/PP

The Croft House And Shore House Bruichladdich Isle Of Islay Argyll And Bute PA49 7UN

Installation of 2 windows (The Croft House) and installation of biodisc treatment plant (Shore House)

Planning Permission Argyll
29 Oct 2026 Awaiting decision 26/01984/PP

Logiebank Main Road Cardross Argyll And Bute G82 5JY

Erection of single storey rear extension to dwellinghouse

Planning Permission Argyll
28 Oct 2026 Awaiting decision 26/01972/PP

Upper Westgarth 8 West Abercromby Street Helensburgh Argyll And Bute G84 9LJ

Alterations and extension to dwellinghouse

Planning Permission Argyll
28 Oct 2026 Awaiting decision 26/01897/PP

Sands Cottage Calgary Isle Of Mull Argyll And Bute PA75 6QT

Alterations and extensions to dwellinghouse

Planning Permission Argyll
28 Oct 2026 Awaiting decision 26/01810/LIB

45 Campbell Street Helensburgh Argyll And Bute G84 9NL

Demolition of existing garage, facade to be retained and door replaced and installation of EV Charger

Application for Listed Building Consent Argyll
28 Oct 2026 Awaiting decision 26/01809/PP

45 Campbell Street Helensburgh Argyll And Bute G84 9NL

Demolition of existing garage, facade to be retained and door replaced and installation of EV charger

Planning Permission Argyll
27 Oct 2026 Awaiting decision 26/01963/CLWP

10 Guy Mannering Road Helensburgh Argyll And Bute G84 7TH

Alterations and extension

App.for Cert.of Law Use/Dev.(Proposed). Argyll
27 Oct 2026 Awaiting decision 26/01872/PP

Innerhaven Garelochhead Argyll And Bute G84 0EL

Formation of boat access ramp and erection of replacement garage

Planning Permission Argyll
27 Oct 2026 Awaiting decision 26/01695/PAWAY

Laggan Estate Woodland Grant Scheme Bowmore Isle Of Islay Argyll And Bute

Formation of new access and installation of gates.

Prior Approval PRIVATE WAY Argyll
23 Oct 2026 Awaiting decision 26/01475/PP

Flat 1/1 126 George Street Oban Argyll And Bute PA34 5NT

Change of use of flat to form student accommodation and occasional short term lets, internal alterations to create new shower room and installation of...

Planning Permission Argyll
23 Oct 2026 Awaiting decision 26/01827/PP

Ardlea Artarman Road Rhu Argyll And Bute G84 8LQ

Alterations to layout and window and door openings, and installation of replacement roof covering and external render

Planning Permission Argyll
23 Oct 2026 Awaiting decision 26/01932/PP

174 Ralston Road Campbeltown Argyll And Bute PA28 6LQ

Installation of 1.8M high timber fence to garden boundary

Planning Permission Argyll
22 Oct 2026 Awaiting decision 26/01682/PP

2 Marine Place Rothesay Isle Of Bute Argyll And Bute PA20 0LF

Demolition of dilapidated coach house and shed. Alterations and extension to existing outhouse to form ancillary living accommodation

Planning Permission Argyll
22 Oct 2026 Awaiting decision 26/01757/PP

Cruachan Inveraray Argyll And Bute PA32 8UH

Alterations and change of use of dwellinghouse (Class 9) to house in multiple occupation (HMO)

Planning Permission Argyll
20 Oct 2026 Awaiting decision 26/01879/PP

16 Duchess Park Helensburgh Argyll And Bute G84 9PY

Alterations and extension

Planning Permission Argyll
19 Oct 2026 Awaiting decision 26/01671/PP

Duart Castle Lochdon Isle Of Mull Argyll And Bute PA64 6AP

Alterations, removal of existing concrete and aphalt roof and installation of new timber roof with lead covering

Planning Permission Argyll
19 Oct 2026 Awaiting decision 26/01296/LIB

Old Manse Manse Brae Lochgilphead Argyll And Bute PA31 8RA

Installation of replacement door and fireplace

Application for Listed Building Consent Argyll
19 Oct 2026 Decided 26 Oct 26/01695/PNWAY

Land North Of Tower Cottage Glenegedale Isle Of Islay Argyll And Bute

Formation of new access and installation of gates.

Prior Notif. PRIVATE WAY Argyll
16 Oct 2026 Awaiting decision 26/01402/PP

Land West Of Kilmory Castle Kilmory Industrial Estate Lochgilphead Argyll And Bute

Re-siting of bike sheds and existing container storage, extension of 1200mm fence to secure compound, installation of timber cladding to existing cont...

Planning Permission Argyll
16 Oct 2026 Awaiting decision 26/01789/PP

Sexton's House Kilkerran Road Campbeltown Argyll And Bute PA28 6JN

Erection of 1.5m high timber fence (retrospective)

Planning Permission Argyll
16 Oct 2026 Awaiting decision 26/01672/PP

St Ninians Church Shore Road Port Bannatyne Isle Of Bute Argyll And Bute PA20 0LQ

Conversion of former church to single dwellinghouse, internal alterations, replacement windows and erection of summer house.

Planning Permission Argyll
14 Oct 2026 Awaiting decision 26/01873/PP

37 Craigmore Road Rothesay Isle Of Bute Argyll And Bute PA20 9ES

Alterations, erection of single storey rear extension and conversion of attic

Planning Permission Argyll
14 Oct 2026 Awaiting decision 26/01869/PP

Ee-Usk North Pier Oban Argyll And Bute PA34 5QD

Installation of rooflights

Planning Permission Argyll
14 Oct 2026 Awaiting decision 26/01756/LIB

Cruachan Inveraray Argyll And Bute PA32 8UH

Internal and external alterations to dwellinghouse associated with conversion to a house in multiple occupation (HMO)

Application for Listed Building Consent Argyll
13 Oct 2026 Awaiting decision 26/01764/LIB

Knockderry Castle Shore Road Cove Argyll And Bute G84 0NX

Entrance driveway alterations

Application for Listed Building Consent Argyll
13 Oct 2026 Awaiting decision 26/00667/PP

Knockderry Castle Shore Road Cove Argyll And Bute G84 0NX

Formation of vehicular access and associated works

Planning Permission Argyll
13 Oct 2026 Awaiting decision 26/01846/PP

33 William Street Dunoon Argyll And Bute PA23 7JH

Erection of extension and raised decking

Planning Permission Argyll
12 Oct 2026 Awaiting decision 26/01673/LIB

St Ninians Church Shore Road Port Bannatyne Isle Of Bute Argyll And Bute PA20 0LQ

Conversion of former church to single dwellinghouse, internal alterations, replacement windows and erection of summer house.

Application for Listed Building Consent Argyll
12 Oct 2026 Approved 5 Nov 26/01845/PP

9 Campbell Street Helensburgh Argyll And Bute G84 8BG

Installation of access ramp

Planning Permission Argyll
9 Oct 2026 Awaiting decision 26/01825/LIB

60 Mountstuart Road Rothesay Isle Of Bute Argyll And Bute PA20 9LD

Remove/demolish lean-to sun room at rear of building and erection of connecting extension between back of house and outhouse.

Application for Listed Building Consent Argyll
9 Oct 2026 Awaiting decision 26/01737/PP

Lochhead House Barmore Road Tarbert Argyll And Bute PA29 6TW

Installation of flood doors

Planning Permission Argyll
9 Oct 2026 Awaiting decision 26/01736/PP

Cut N' Crew Barmore Road Tarbert Argyll And Bute PA29 6TW

Installation of flood doors

Planning Permission Argyll
9 Oct 2026 Awaiting decision 26/01734/PP

Afton Barmore Road Tarbert Argyll And Bute PA29 6TW

Installation of flood doors

Planning Permission Argyll
9 Oct 2026 Awaiting decision 26/01733/PP

Tighnacraig Barmore Road Tarbert Argyll And Bute PA29 6TW

Installation of flood doors

Planning Permission Argyll
7 Oct 2026 Awaiting decision 26/01755/CLWP

Ferrymans House Ardminish Isle Of Gigha Argyll And Bute PA41 7AA

Certificate of lawfulness (Proposed) for alterations and conversion of store to form additional living space complete with raised patio and wood burni...

App.for Cert.of Law Use/Dev.(Proposed). Argyll
6 Oct 2026 Awaiting decision 26/01077/PP

Fasgadh Craighouse Isle Of Jura Argyll And Bute PA60 7XR

Erection of garage/boat house within the curtilage of existing dwellinghouse

Planning Permission Argyll
30 Sept 2026 Awaiting decision 26/01556/PP

Strathlachlan Community Centre Strathlachlan Argyll And Bute PA27 8BU

Erection of extension to existing porch, formation of access door and installation of replacement windows

Planning Permission Argyll
30 Sept 2026 Awaiting decision 26/01522/LIB

North Lodge Ronachan Clachan Argyll And Bute PA29 6XW

Removal of section of existing outhouse, removal of partition in bedroom, formation of en-suite bathroom, installation of new kitchen and bathroom, in...

Application for Listed Building Consent Argyll
29 Sept 2026 Approved 27 Oct 26/01724/PP

2 Achaleven Cottages Connel Argyll And Bute PA37 1PE

Alterations and extension to dwellinghouse

Planning Permission Argyll
29 Sept 2026 Awaiting decision 26/01721/PP

60 Mountstuart Road Rothesay Isle Of Bute Argyll And Bute PA20 9LD

Alterations, demolition of lean-to sunroom and erection of rear extension connecting main dwellinghouse with outhouse

Planning Permission Argyll
28 Sept 2026 Approved 2 Nov 26/01680/PP

Minard House Machrihanish Argyll And Bute PA28 6PZ

Erection of single storey orangery style extension to dwellinghouse

Planning Permission Argyll
25 Sept 2026 Awaiting decision 26/01562/LIB

Milton House Milton Avenue Dunoon Argyll And Bute PA23 7DU

Internal alterations to facilitate the change of use to mixed use Class 4 office and Class 7 guest house and external alterations including replacemen...

Application for Listed Building Consent Argyll
25 Sept 2026 Awaiting decision 26/01561/PP

Milton House Milton Avenue Dunoon Argyll And Bute PA23 7DU

Alterations and change of use to mixed use Class 4 office and Class 7 guest house, including interior sub-division to form guest suites, replacement a...

Planning Permission Argyll
25 Sept 2026 Awaiting decision 26/01711/LIB

50 Campbell Street Helensburgh Argyll And Bute G84 9NH

Replace existing single-glazed timber sash and case windows and internal timber front door with new hardwood slim double-glazed sash and case windows ...

Application for Listed Building Consent Argyll
25 Sept 2026 Awaiting decision 26/01710/PP

50 Campbell Street Helensburgh Argyll And Bute G84 9NH

Replace existing single-glazed timber sash and case windows and internal timber front door with new hardwood slim double-glazed sash and case windows ...

Planning Permission Argyll
25 Sept 2026 Awaiting decision 26/01674/PP

19 Victoria Road Helensburgh Argyll And Bute G84 7RT

Demolition of existing garden shed and erection of single-storey outbuilding including all associated groundworks

Planning Permission Argyll
25 Sept 2026 Approved 26 Oct 26/01683/PP

Plot 3 Aros Gait Tobermory Isle Of Mull Argyll And Bute

Erection of single storey extension to side and rear of dwellinghouse

Planning Permission Argyll
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Frequently asked questions

When do you need planning permission for a house extension?
Single-storey rear extensions up to 4m (detached) or 3m (semi-detached / terraced) are usually permitted development. Two-storey extensions, anything in a conservation area, or larger projects almost always need a planning application.
What's the difference between planning permission and permitted development?
Permitted development rights let you build certain things without applying for planning permission, subject to specified limits. Anything outside those limits, whether taller, larger or in a protected area, needs full planning permission.
How long does a householder application take?
The statutory target is 8 weeks from validation. Most simple householder extensions are decided within that window; complex or contested cases, especially those drawing a lot of comments, can take longer.
Can I get email alerts for new extensions applications in Argyll?
Yes. Click "Set up alerts" on this page and you'll get a daily or weekly email listing every new extensions application published by Argyll. You can also narrow the alert to a postcode, street, or drawn area.

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