House extensions in Argyll

Argyll received 288 householder applications in the last 12 months - about 6 a week. Garage works and rear extensions are the most common. Of the 185 decided so far, 184 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
2 days ago Awaiting decision 26/01586/PP

1 Argyle Terrace Rothesay Isle Of Bute Argyll And Bute PA20 0BD

Installation of replacement front and rear doors, 6 x secondary glazing units, and extraction vents

Planning Permission Argyll
2 days ago Awaiting decision 26/01405/LIB

Woodcote Pier Road Rhu Argyll And Bute G84 8LJ

Renewal of listed building consent reference 23/01260/LIB (Replacement of existing windows, doors, and rooflights; alterations to kitchen window to fo...

Application for Listed Building Consent Argyll
2 days ago Awaiting decision 26/01406/PP

Woodcote Pier Road Rhu Argyll And Bute G84 8LJ

Renewal of planning permission reference 23/01259/PP (Replacement of existing windows, doors, and rooflights; alterations to kitchen window to form do...

Planning Permission Argyll
2 days ago Awaiting decision 26/01493/PP

Largiemore Tighnabruaich Argyll And Bute PA21 2DX

Removal of existing internal walls, installation of new internal partitions, installation of 2 x velux windows and strengthening of floored loft with ...

Planning Permission Argyll
2 days ago Awaiting decision 26/01534/PP

41 Colquhoun Street Helensburgh Argyll And Bute G84 9JW

Installation of replacement windows and back door

Planning Permission Argyll
9 Sept 2026 Awaiting decision 26/01197/LIB

Northern Lighthouse Board Depot Gallanach Road Oban Argyll And Bute PA34 4LS

Replacement roof coating system, removal of asbestos, installation of handrail and access steps and associated works

Application for Listed Building Consent Argyll
9 Sept 2026 Awaiting decision 26/01548/PP

Ashfield Bungalow Achnamara Argyll And Bute PA31 8PT

Erection of annexe for underground cellar and bar area, double garage and storage buildings and connecting pergola

Planning Permission Argyll
9 Sept 2026 Awaiting decision 26/01578/PP

Achavit Dunmore Argyll And Bute PA29 6XZ

Erection of extension to dwellinghouse

Planning Permission Argyll
8 Sept 2026 Awaiting decision 26/00723/PP

Land At Struan Calgary Isle Of Mull Argyll And Bute PA75 6QT

Erection of polycrub

Planning Permission Argyll
8 Sept 2026 Awaiting decision 26/01286/PP

The Cottage Spys Lane Rhu Argyll And Bute G84 8RA

Removal of existing tarmac and replace with block paving and installation of access ramp

Planning Permission Argyll
2 Sept 2026 Awaiting decision 26/01485/PP

Tigh Na Bochd Ardtun Isle Of Mull Argyll And Bute PA67 6DH

Alterations and extension

Planning Permission Argyll
1 Sept 2026 Awaiting decision 26/01533/LIB

41 Colquhoun Street Helensburgh Argyll And Bute G84 9JW

Installation of replacement windows and back door

Application for Listed Building Consent Argyll
1 Sept 2026 Awaiting decision 26/01348/PP

Duneira Pier Road Rhu Argyll And Bute G84 8LH

Erection of extensions to dwellinghouse, garage and greenhouse

Planning Permission Argyll
31 Aug 2026 Awaiting decision 26/01428/PP

West Highland Cottage Aros Isle Of Mull Argyll And Bute PA72 6JP

Alterations to barns to include increasing width of garage door, installation of replacement roof covering, proposed raising of the roof and installat...

Planning Permission Argyll
31 Aug 2026 Awaiting decision 26/01479/PP

8 Bishop Terrace Rothesay Isle Of Bute Argyll And Bute PA20 9HF

Installation of balustrade to terrace

Planning Permission Argyll
31 Aug 2026 Awaiting decision 26/01502/PP

Tigh Dubh Reef Terrace Crossapol Isle Of Tiree Argyll And Bute PA77 6XF

Erection of garage/boat shed

Planning Permission Argyll
31 Aug 2026 Awaiting decision 26/00906/PP

39 Royal Crescent Dunoon Argyll And Bute PA23 7AQ

Formation of vehicular access and driveway

Planning Permission Argyll
27 Aug 2026 Awaiting decision 26/01441/PP

31A Mountstuart Road Rothesay Isle Of Bute Argyll And Bute PA20 9EB

Re-instatement of failed roof on rear outbuilding with box profile steel roof with rooflights and replacement of failed window and door in white UPVC.

Planning Permission Argyll
26 Aug 2026 Awaiting decision 26/01407/PP

St Conans Church Lochawe Argyll And Bute PA33 1AH

External repairs and installation of new cast iron rainwater pipe, photovoltaic panels on flat roofing and hand rail

Planning Permission Argyll
26 Aug 2026 Awaiting decision 26/01480/PP

Woodside Cottage Ballianlay Rothesay Isle Of Bute Argyll And Bute PA20 0QF

Erection of extension to dwellinghouse, erection of shed, formation of new driveway access and closure of existing access

Planning Permission Argyll
25 Aug 2026 Awaiting decision 26/01465/PP

4 Mill Road Kingarth Isle Of Bute Argyll And Bute PA20 9NR

Erection of extensions to dwellinghouse and demolition of outbuilding

Planning Permission Argyll
24 Aug 2026 Awaiting decision 26/01478/PP

Keepers Cottage Torloisk Isle Of Mull Argyll And Bute PA74 6NH

Erection of annexe and installation of biodisc treatment plant

Planning Permission Argyll
21 Aug 2026 Awaiting decision 26/01340/LIB

The Cottage Spys Lane Rhu Argyll And Bute G84 8RA

Removal of existing tarmac and replace with block paving and installation of access ramp

Application for Listed Building Consent Argyll
21 Aug 2026 Awaiting decision 26/01377/PP

Coshandrochaid Tayvallich Argyll And Bute PA31 8PQ

Alterations and extension to dwellinghouse and demolition of garage

Planning Permission Argyll
20 Aug 2026 Awaiting decision 26/01397/LIB

St Conans Church Lochawe Argyll And Bute PA33 1AH

External repairs and installation of new cast iron rainwater pipe, photovoltaic panels on flat roofing and hand rail

Application for Listed Building Consent Argyll
20 Aug 2026 Awaiting decision 26/01378/PP

Lonan House Suites Lonan House Taynuilt Argyll And Bute PA35 1HY

Erection of events gazebo (retrospective)

Planning Permission Argyll
20 Aug 2026 Awaiting decision 26/01449/PP

Nether Lyleston Cardross Argyll And Bute G82 5HF

Proposed alterations to dwellinghouse

Planning Permission Argyll
19 Aug 2026 Awaiting decision 26/01306/PP

Achnaha Clachan Argyll And Bute PA29 6XL

Erection of extension and rearrangement of entrance gate

Planning Permission Argyll
19 Aug 2026 Awaiting decision 26/01331/LIB

Achnaha Clachan Argyll And Bute PA29 6XL

Internal alterations, erection of extension and rearrangement of entrance gate

Application for Listed Building Consent Argyll
19 Aug 2026 Awaiting decision 26/00458/PP

Leigh Cottage 1 West Rossdhu Drive Helensburgh Argyll And Bute G84 9LW

Erection of detached garage with lean-to (amended design to that approved under planning permission reference 23/00219/PP - retrospective)

Planning Permission Argyll
19 Aug 2026 Refused 26/01268/PAWIND

An Cala Ellenabeich Isle Of Seil Argyll And Bute PA34 4RF

Installation of replacement windows

Prior Approval WINDOW REPLACEMENT Argyll
18 Aug 2026 Awaiting decision 26/01292/PP

14 Torr Crescent Rhu Argyll And Bute G84 8LZ

Erection of extension to dwellinghouse and erection of 2 storey extension to form 'granny flat' annexe for family members

Planning Permission Argyll
18 Aug 2026 Awaiting decision 26/01396/PP

21 Glen Aray View Inveraray Argyll And Bute PA32 8TW

Proposed alterations and erection of extension to dwellinghouse

Planning Permission Argyll
18 Aug 2026 Awaiting decision 26/01439/PP

Flat A 5 Dalintart Drive Oban Argyll And Bute PA34 4EE

Erection of extension

Planning Permission Argyll
17 Aug 2026 Awaiting decision 26/01429/PP

6 Islay Road Oban Argyll And Bute PA34 4YG

Installation of access ramp

Planning Permission Argyll
14 Aug 2026 Awaiting decision 26/01223/PP

Geilston Gardens Main Road Cardross Argyll And Bute G82 5HD

Installation of a timber gazebo within the Kitchen Garden at Geilston Gardens

Planning Permission Argyll
13 Aug 2026 Awaiting decision 26/01412/PP

21 Glen Drive Helensburgh Argyll And Bute G84 9BJ

Erection of extension to dwellinghouse

Planning Permission Argyll
13 Aug 2026 Awaiting decision 26/01366/PP

1 Colonsay Business Units Dunoran Scalasaig Isle Of Colonsay Argyll And Bute PA61 7YZ

Change of use of former distillery/brewery building to form heritage centre, including minor alterations to fenestration and creation of designated pa...

Planning Permission Argyll
13 Aug 2026 Awaiting decision 26/01385/PP

11 Kidston Drive Helensburgh Argyll And Bute G84 8QA

Erection of rear extension to dwellinghouse

Planning Permission Argyll
12 Aug 2026 Awaiting decision 26/01403/PP

7 Fort Argyll Road Campbeltown Argyll And Bute PA28 6SN

Alterations and extensions

Planning Permission Argyll
12 Aug 2026 Awaiting decision 26/00844/PP

Glenreasdell Mains Skipness Argyll And Bute

Extension to existing vehicular access track

Planning Permission Argyll
12 Aug 2026 Awaiting decision 26/01363/PP

27 Napier Avenue Cardross Argyll And Bute G82 5LY

Erection of extension

Planning Permission Argyll
12 Aug 2026 Awaiting decision 26/01391/PP

15 Blackhill Drive Helensburgh Argyll And Bute G84 9AF

Formation of car parking bay with fencing and retaining wall

Planning Permission Argyll
11 Aug 2026 Awaiting decision 26/01393/PP

The Bunker North Connel Argyll And Bute PA37 1RW

Alterations and change of use of disused former administration offices to create ancillary accommodation for existing dwelling

Planning Permission Argyll
7 Aug 2026 Awaiting decision 26/01322/PP

1 And 2 Pier Cottages Kilchattan Bay Isle Of Bute Argyll And Bute PA20 9NW

Amalgamation of 2 dwellings into one dwellinghouse including erection of link extension Amalgamation of 2 dwellings into one dwell

Planning Permission Argyll
7 Aug 2026 Decided 26/01382/TELNOT

Outside Eilan Donan Cromlech Road Sandbank Argyll And Bute

Installation of 9m high light wooden pole

Telecommunications Provider Notification Argyll
6 Aug 2026 Awaiting decision 26/01368/PP

The Paddock Portincaple Argyll And Bute G84 0EU

Alterations and extension

Planning Permission Argyll
6 Aug 2026 Approved 26/01359/PP

Spindrift Letterwalton Benderloch Argyll And Bute PA37 1SA

Demolition of conservatory, erection of replacement sunroom and alterations to existing dormer windows

Planning Permission Argyll
6 Aug 2026 Awaiting decision 26/01334/PP

18 Craigrownie Gardens Kilcreggan Argyll And Bute G84 0HY

Demolition of the existing garage and erection of a single-story extension

Planning Permission Argyll
5 Aug 2026 Awaiting decision 26/01196/PP

Harbour Cottage Crinan Harbour Crinan Argyll And Bute PA31 8SW

Demolition of existing home based music studio, erection of replacement extension to dwellinghouse and erection of new home based music studio buildin...

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.