House extensions in East Ayrshire

East Ayrshire received 173 householder applications in the last 12 months - about 3 a week. Rear extensions and garage works are the most common. Of the 115 decided so far, 111 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 66 applications
8 Sept 2026 Registered 26/0446/PP

105 Mauchline Road Hurlford East Ayrshire KA1 5DE

Proposed replacement and enlargement of dormer and internal alterations

Planning Permission East Ayrshire
7 Sept 2026 Registered 26/0021/NMV

Site At Leven Drive Hurlford

Non-Material Variation to dwellinghouse with modification of external windows and doors, internal layout, roof overhang, and extension to bedroom - 23...

Non Material Variations East Ayrshire
4 Sept 2026 Registered 26/0404/PP

Former St Johns Church 84 Wardneuk Drive Onthank Kilmarnock East Ayrshire KA3 2EX

Change of Use, Alterations and Extension of Former Church ( Class 10) to Form Gym ( Class 11)

Planning Permission East Ayrshire
4 Sept 2026 Registered 26/0438/LDPU

Norrelgrove 2 Gilmilnscroft Cottages Auchinleck KA18 2NA

Proposed siting of a 12m x 6m lodge-style caravan within the curtilage of 2 Gilmilnscroft Cottage for use as ancillary living accommodation

Lawful Development - Proposed Use East Ayrshire
2 Sept 2026 Registered 26/0444/PP

Bonded Warehouses Townhead Catrine East Ayrshire

Erection of canopy building, anchored to existing concrete base.

Planning Permission East Ayrshire
31 Aug 2026 Registered 26/0442/PP

Lagg Trabbochburn Road Stair

Construction of extension to the rear and platfrom with spiral stair to the side of dwellinghouse

Planning Permission East Ayrshire
31 Aug 2026 Registered 26/0394/LB

Howard Park House Howard Park Drive Kilmarnock East Ayrshire KA1 1SA

Proposed demolition of existing extensions and replacement with new extension and internal alterations to create functional, upgraded spaces for East ...

Listed Building East Ayrshire
28 Aug 2026 Registered 26/0406/PP

Glen Avis Loganhill Road Craigens Cumnock East Ayrshire KA18 3JD

Proposed workshop/shed

Planning Permission East Ayrshire
27 Aug 2026 Registered 26/0413/PP

Ironworks Cottage 3 Furnace Road Kames Muirkirk East Ayrshire KA18 3QQ

Proposed Attic Conversion with Dormers to Front and Rear

Planning Permission East Ayrshire
24 Aug 2026 Registered 26/0377/PP

Land At Allanton Woodland Darvel East Ayrshire

New entrance and gate and removal of existing access

Planning Permission East Ayrshire
21 Aug 2026 Registered 26/0432/LB

Dalmellington Church Knowehead Dalmellington East Ayrshire KA6 7QW

Internal re-configuration of balcony and partition/screen wall, widening of stairway, installation of window ventilation opener on the front (West) el...

Listed Building East Ayrshire
18 Aug 2026 Registered 26/0387/LDPU

102 Dundonald Road Kilmarnock East Ayrshire KA1 1TY

Proposed dormer to rear of dwelling

Lawful Development - Proposed Use East Ayrshire
18 Aug 2026 Registered 26/0396/PP

21 Old Glasgow Road Stewarton East Ayrshire KA3 5JJ

Proposed extension to rear and side of dwelling, erection of garage with associated alterations and downtakings.

Planning Permission East Ayrshire
17 Aug 2026 Registered 26/0422/PP

23 Main Road Gatehead East Ayrshire KA2 0AR

Erection of dormer extension to rear elevation

Planning Permission East Ayrshire
13 Aug 2026 Registered 26/0397/PP

1 Bank View Crescent Darvel East Ayrshire KA17 0LB

Erection of single storey side extension.

Planning Permission East Ayrshire
12 Aug 2026 Registered 26/0349/PP

Commoncraig Farm C7 Dunlop Neilston From A735 Nr Dunlop To East Renfrewshire Boundary Dunlop East Ayrshire KA3 4BH

Proposed Dormer to Rear of Property

Planning Permission East Ayrshire
12 Aug 2026 Registered 26/0385/PP

39 Milton View Gatehead East Ayrshire KA2 0AY

Alterations and extension to dwelling house

Planning Permission East Ayrshire
12 Aug 2026 Registered 26/0409/PP

3 Northgate Ballochmyle Mauchline East Ayrshire KA5 6JT

Proposed erection of double garage to front of dwelling and outbuilding in rear garden.

Planning Permission East Ayrshire
11 Aug 2026 Registered 26/0369/PP

Glenside Catrine Road Sorn East Ayrshire KA5 6JA

Contruction of garage to side of dwellinghouse

Planning Permission East Ayrshire
11 Aug 2026 Awaiting decision 26/0408/LDPU

Ellisland Cottage Cloncaird Farm B742 From A713 To At South Ayrshire Boundary At Snipe Loch Doon Valley East Ayrshire KA6 6ES

Certificate if Lawfulness (Proposed) for the construction of a garage and the formation of hardstanding

Lawful Development - Proposed Use East Ayrshire
10 Aug 2026 Registered 26/0331/PP

27 Old Glasgow Road Stewarton East Ayrshire KA3 5JJ

Proposed Detached Outbuilding at Rear of Garden

Planning Permission East Ayrshire
10 Aug 2026 Registered 26/0392/PP

John Knox Church 10 High Street Stewarton East Ayrshire

Installation of a small, prefabricated metal shed for the storage of garden maintenance equipment.

Planning Permission East Ayrshire
6 Aug 2026 Registered 26/0400/PP

Gainford View B778 From U54 Tannacrief To U64 Gainhill Stewarton East Ayrshire KA3 6AR

Proposed erection of garage / store

Planning Permission East Ayrshire
6 Aug 2026 Registered 26/0323/PP

63 Titchfield Street Kilmarnock East Ayrshire KA1 1QS

Conversion of 4no. Class 1A units to 4no. flats, external alterations including replacement windows (UPVC), door and installation of rooflights

Planning Permission East Ayrshire
6 Aug 2026 Registered 26/0347/PP

17 Arran View Stewarton East Ayrshire KA3 5EX

Formation of flat roofed dormer extension to an existing dwelling to form shower room

Planning Permission East Ayrshire
4 Aug 2026 Registered 26/0372/PP

Howard Park House Howard Park Drive Kilmarnock East Ayrshire KA1 1SA

Proposed extension and external alterations to listed building create functional and upgraded spaces.

Planning Permission East Ayrshire
4 Aug 2026 Approved 26/0375/PP

101 Connel Crescent Mauchline East Ayrshire KA5 5AU

Proposed extension to dwellinghouse

Planning Permission East Ayrshire
3 Aug 2026 Registered 26/0371/PP

60A Main Road Crookedholm East Ayrshire KA3 6JU

Proposed new entrance porch and single storey extension to rear of dwelling

Planning Permission East Ayrshire
31 Jul 2026 Registered 26/0264/LB

Kirkland Manse Road Kilmaurs East Ayrshire KA3 2NP

Replacement of 11no. windows within the front elevation

Listed Building East Ayrshire
31 Jul 2026 Registered 26/0263/LB

30 Portland Road Kilmarnock East Ayrshire KA1 2BS

Replacement of 7no. windows to front elevation

Listed Building East Ayrshire
31 Jul 2026 Decided 26/0380/PN

12 Glebe Avenue Kilmarnock East Ayrshire KA1 3DX

Prior Notification to replace the existing PVCu Casement over fixed with new PVCu Casement over casement and fixed over windows

Prior Notification Gas/Electricity/Water East Ayrshire
30 Jul 2026 Registered 26/0373/PP

20 Glen Orrin Avenue Kilmarnock East Ayrshire KA2 0LR

Alterations to form single storey rear extension to dwelling house.

Planning Permission East Ayrshire
30 Jul 2026 Approved 26/0368/PP

91 London Road Kilmarnock East Ayrshire KA3 7BT

Formation of a ramp and entrance door.

Planning Permission East Ayrshire
29 Jul 2026 Registered 26/0348/LB

2 Low Glencairn Street Kilmarnock East Ayrshire KA1 4DD

Erection of external flue and internal alterations

Listed Building East Ayrshire
29 Jul 2026 Registered 26/0306/PP

1 Pottery Cottages A70 At Coalhall To B730 Coalhall East Ayrshire KA6 6ND

Erection of shed for householder storage and new vehicle access on A70.

Planning Permission East Ayrshire
28 Jul 2026 Registered 26/0356/LB

Laigh Kirk John Dickie Street Kilmarnock East Ayrshire KA1 1HW

Alterations to form Kitchen and install ventilation grilles to window.

Listed Building East Ayrshire
28 Jul 2026 Registered 26/0360/PP

42 Lochlibo Road Lugton East Ayrshire KA3 4DZ

Erection of 2 dormers to front and one dormer to rear

Planning Permission East Ayrshire
22 Jul 2026 Approved 26/0363/PP

The Steading Cloncaird Farm B742 From A713 To At South Ayrshire Boundary At Snipe Loch Doon Valley East Ayrshire KA6 6ES

Erection of double garage

Planning Permission East Ayrshire
21 Jul 2026 Registered 26/0332/PP

8 Walden Road Hurlford East Ayrshire KA1 5BP

Erection of a 10' x 12' garden shed in the garden area at the side of dwelling house.

Planning Permission East Ayrshire
21 Jul 2026 Registered 26/0311/PP

10 Dunlop Street Fenwick East Ayrshire KA3 6EF

Proposed Detached Garage

Planning Permission East Ayrshire
15 Jul 2026 Registered 26/0346/PP

8 Taylor Brown Close Stewarton East Ayrshire KA3 5DG

Replacement of existing rear conservatory with single storey rear extension

Planning Permission East Ayrshire
15 Jul 2026 Approved 26/0313/PP

2C Irvine Road Kilmaurs East Ayrshire KA3 2RH

Installation of two sets of patio doors and raised deck on rear elevation

Planning Permission East Ayrshire
15 Jul 2026 Registered 26/0161/PP

16 Ballochmyle Street Catrine East Ayrshire KA5 6QP

Change of use of residential garden ground (Class 9) for the use as three Short Term Let (Sui Generis) lodges, construction of pergolas, an outdoor ki...

Planning Permission East Ayrshire
10 Jul 2026 Approved 26/0319/PP

14 Greenhill Holdings C24 From Bonnyton Road To North Ayrshire Boundary At Plann Bridge Knockentiber East Ayrshire KA2 0DX

Re-roofing of an existing dwelling, from slate roof to an anthracite grey interlocking tile

Planning Permission East Ayrshire
10 Jul 2026 Approved 26/0303/PP

25-31 King Street, Kilmarnock, KA1 1PT

Change of use on ground floor of middle unit only (number 29) Class 1a to Class 3, installation of new windows, re-opening of former window openings a...

Planning Permission East Ayrshire
8 Jul 2026 Registered 26/0073/PP

Land To North-West Of Middleyard Cottage B7037 From C76 Lawersbridge To U752 Meikle Carleith Galston East Ayrshire KA4 8NN

Erection of shed for stables/storage and formation of a new access road for private use (Retrospective)

Planning Permission East Ayrshire
8 Jul 2026 Approved 26/0018/NMV

The Stables Craighead Farm U21 Brockwellmuir From A735 To C7 Via C100 Lugton East Ayrshire KA3 4DT

Alterations to decking from original proposal, omitted with ground level sitting higher than original submission and landscaping updates.

Non Material Variations East Ayrshire
8 Jul 2026 Approved 26/0316/LB

48 Main Road Fenwick East Ayrshire KA3 6AL

Replacement of exisitng flat roof.

Listed Building East Ayrshire
8 Jul 2026 Decided 26/0019/NMV

Viewfield Cottage Cutstraw Road Stewarton East Ayrshire KA3 5HU

Alterations to move the western boundary retaining wall of Planning Consent 21/0830/PP (Residential Development)

Non Material Variations East Ayrshire
1 Jul 2026 Approved 26/0259/LDPU

3 Fairlie Avenue Kilmarnock East Ayrshire KA1 1UA

Erection of single storey rear extension, installation of flue and external alterations

Lawful Development - Proposed Use East Ayrshire
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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 East Ayrshire?
Yes. Click "Set up alerts" on this page and you'll get a daily or weekly email listing every new extensions application published by East Ayrshire. You can also narrow the alert to a postcode, street, or drawn area.

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