House extensions in Calderdale

Calderdale received 444 householder applications in the last 12 months - about 9 a week. Rear extensions and dormers are the most common. Of the 319 decided so far, 269 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 110 applications
22 Oct 2026 Pending Consideration 26/00848/FUL

Land South Of Sowerby Croft Barn Sowerby Croft Lane Sowerby Bridge Calderdale

Demolition of stables and conversion of agricultural building to dwelling including extension and glazed link

Full Application Calderdale
22 Oct 2026 Pending Consideration 26/00826/HSE

Rose Cottage 72 Warley Town Lane Halifax Calderdale HX2 7SA

Ground floor extension and alterations

Householder Calderdale
19 Oct 2026 Pending Consideration 26/00819/FUL

The Gleddings School Birdcage Lane Halifax Calderdale HX3 0JB

Erection of permanent ancillary nursery pod.

Full Application Calderdale
19 Oct 2026 Pending Consideration 26/00685/LBC

47 Spark House Lane Sowerby Bridge Calderdale HX6 3QU

Replacement of like-for-like timber windows, installation of timber partition wall and timber doors (retrospective) (Listed Building Consent)

Listed Building Consent Calderdale
15 Oct 2026 Pending Consideration 26/00802/HSE

Briery Close Queens Road Norwood Green Brighouse Calderdale HX3 8RA

Two storey rear and side extension, single storey front extension, attic conversion, rear facing balcony. New external facing materials, altered windo...

Householder Calderdale
12 Oct 2026 Pending Consideration 26/00671/HSE

26 Bowling Green Road Stainland Elland Calderdale HX4 9PF

Stone wall to replace timber fence.

Householder Calderdale
12 Oct 2026 Pending Consideration 26/00811/HSE

52 Wellgarth Halifax Calderdale HX1 2BJ

Roof extension with rear dormer; conversion of garage into accommodation and annex; porch extension; two storey rear extension with balcony and window...

Householder Calderdale
9 Oct 2026 Pending Consideration 26/42017/42DAYS

137 Highroad Well Lane Halifax Calderdale HX2 0LA

Prior approval application for proposed single storey rear extension, extending out by 6 metres, maximum height 3.9 metres and 2.9 metres to the eaves...

PD Rights - Householder Calderdale
9 Oct 2026 Pending Consideration 26/00794/192

Land Adjacent Spring Villa Hob Lane Norland Sowerby Bridge Calderdale

Detached garage (Lawful Development Certificate)

Lawful Dev. Certificate Proposed Use Calderdale
9 Oct 2026 Pending Consideration 26/00614/HSE

20 Harrow Street Halifax Calderdale HX1 4LG

Two storey rear extension, single storey covered bay extension to front and internal alterations

Householder Calderdale
8 Oct 2026 Pending Consideration 26/00776/192

39 Slade Lane Rastrick Brighouse Calderdale HD6 3PP

Single storey extension to rear (Lawful Development Certificate)

Lawful Dev. Certificate Proposed Use Calderdale
6 Oct 2026 Pending Consideration 26/00782/HSE

Brelades 215 Halifax Road Todmorden Calderdale OL14 5RX

Two storey extension to west to create annexed area

Householder Calderdale
2 Oct 2026 Pending Consideration 26/00751/FUL

1 Owler Ings Road Brighouse Calderdale HD6 1EJ

Change of use from retail (Class E) to bar and boutique and replace existing windows to bi-fold

Full Application Calderdale
2 Oct 2026 Pending Consideration 26/42013/42DAYS

5 Overwood Trimmingham Road Halifax Calderdale HX2 7PX

Prior Approval application for the proposed single storey rear extension for disabled person, extending out by 6 metres, maximum height 2.8 metres, 2....

PD Rights - Householder Calderdale
1 Oct 2026 Pending Consideration 26/42016/42DAYS

13 Ashbourne Grove Halifax Calderdale HX1 4JU

Prior approval application for proposed single storey rear extension, extending out by 3.5 metres, maximum height 3.8 metres, 2.5 metres to eaves.

PD Rights - Householder Calderdale
29 Sept 2026 Pending Consideration 26/00771/HSE

Mid Stream Cottage 3 Red Beck Road Stump Cross Halifax Calderdale HX3 6XL

First floor extension

Householder Calderdale
29 Sept 2026 Pending Decision 26/00769/192

6 Bridle Close Brighouse Calderdale HD6 4FU

Garden Room (Lawful Development Certificate)

Lawful Dev. Certificate Proposed Use Calderdale
28 Sept 2026 Pending Consideration 26/00784/HSE

Wildacre 810 Rochdale Road Todmorden Calderdale OL14 7UA

Detached garage

Householder Calderdale
24 Sept 2026 Pending Consideration 26/00587/LAA

Land At Rear Of Roseberry Terrace Back Victor Terrace And Victor Terrace Pellon Halifax Calderdale

Construction of fences at end of Back Victor Terrace, Victor Terrace and Roseberry Terrace

Local Authority Application Calderdale
24 Sept 2026 Pending Consideration 26/00732/FUL

Akroyd Court Range Lane Halifax Calderdale

Replacement AOV windows to roof level and to the fourteenth floor, additions to existing fire detection system and emergency lighting for new stairwel...

Full Application Calderdale
23 Sept 2026 Pending Consideration 26/00844/192

223 Bacup Road Todmorden Calderdale OL14 7HQ

Addition of a rear dormer in line with Schedule 2, Part 1, Class B of The Town and Country Planning (General Permitted Development) (England) Order 20...

Lawful Dev. Certificate Proposed Use Calderdale
23 Sept 2026 Pending Consideration 26/00698/HSE

Beeton View Shaw Wood Road Todmorden Calderdale OL14 6DA

Retrofit of bungalow, with cladding to sides and rear, new roof, and replacement porch.

Householder Calderdale
22 Sept 2026 Pending Consideration 26/00659/HSE

64 Richmond Road Halifax Calderdale HX1 5SZ

Loft conversion, 2 dormer windows and 3 roof lights

Householder Calderdale
21 Sept 2026 Pending Consideration 26/00725/LBC

Park Fold Cottage 3 Park Fold Park Lane Mytholmroyd Hebden Bridge Calderdale HX7 5BL

Alteration and extension of a Grade II listed cottage including the removal of an existing staircase, the construction of a new staircase, minor chang...

Listed Building Consent Calderdale
21 Sept 2026 Pending Consideration 26/00724/HSE

Park Fold Cottage 3 Park Fold Park Lane Mytholmroyd Hebden Bridge Calderdale HX7 5BL

Alteration and extension of a Grade II listed cottage including the removal of an existing staircase, the construction of a new staircase, minor chang...

Householder Calderdale
21 Sept 2026 Pending Consideration 26/00701/HSE

80 Plane Tree Nest Lane Halifax Calderdale HX2 7PS

Excavation of garden to create off street parking area

Householder Calderdale
18 Sept 2026 Pending Consideration 26/00617/HSE

Rodmer Clough Barn Dark Lane Colden Hebden Bridge Calderdale HX7 7PJ

Single storey rear extension and raising the roof

Householder Calderdale
18 Sept 2026 Pending Consideration 26/00702/HSE

4 Ivy Street Halifax Calderdale HX1 3EH

Proposed dormer

Householder Calderdale
17 Sept 2026 Pending Consideration 26/00736/HSE

18 Springwood Drive Copley Halifax Calderdale HX3 0TQ

Garage in garden with enclosed patio above

Householder Calderdale
16 Sept 2026 Pending Consideration 26/00754/HSE

6 Maryville Avenue Brighouse Calderdale HD6 2NX

Side first floor extension and front and rear dormers.

Householder Calderdale
15 Sept 2026 Pending Consideration 26/00556/192

37 Woodhouse Lane Brighouse Calderdale HD6 3TH

Construction of a rear single storey garden unit

Lawful Dev. Certificate Proposed Use Calderdale
14 Sept 2026 Pending Consideration 26/00583/HSE

87 Shelf Hall Lane Shelf Halifax Calderdale HX3 7LT

Off street parking bays with associated footpath crossing

Householder Calderdale
14 Sept 2026 Pending Consideration 26/00691/FUL

Old Earth Primary School Lower Edge Road Elland Calderdale HX5 9PL

Replacement fencing and ancillary works

Full Application Calderdale
14 Sept 2026 Pending Consideration 26/00745/FUL

16 And 18 Halifax Road Todmorden Calderdale OL14 5AD

New shop fronts and replacement windows

Full Application Calderdale
14 Sept 2026 Pending Consideration 26/00752/HSE

88 Hoults Lane Greetland Elland Calderdale HX4 8HN

Front, side and rear single-storey extension. Detached garden room in rear garden.

Householder Calderdale
11 Sept 2026 Pending Consideration 26/00743/HSE

1 Blue Ball Cottages Norland Town Road Sowerby Bridge Calderdale HX6 3RQ

Single storey extension to front and rear

Householder Calderdale
11 Sept 2026 Pending Consideration 26/00630/HSE

21 Shaftesbury Avenue Brighouse Calderdale HD6 3TW

Single-storey rear extension and alterations

Householder Calderdale
10 Sept 2026 Pending Consideration 26/00730/FUL

Range Court Range Lane Halifax Calderdale

Replacement AOV windows to roof level and to the fourteenth floor, additions to existing fire detection system and emergency lighting for new stairwel...

Full Application Calderdale
9 Sept 2026 Pending Consideration 26/00703/FUL

Stables South West Of Lower Woodhead Barn Scammonden Road Barkisland Sowerby Bridge Calderdale

Change of use and extension of existing stable to form self contained granny annexe

Full Application Calderdale
8 Sept 2026 Pending Consideration 26/00803/192

299 Stainland Road Elland Calderdale HX4 9EH

Change in the use of part of the existing rear garden to accommodate a detached annexe ancillary to the principal dwelling. (Lawful Development Certif...

Lawful Dev. Certificate Proposed Use Calderdale
8 Sept 2026 Pending Consideration 26/00804/HSE

60 Broadway Southowram Halifax Calderdale HX3 9PE

Single Storey side extension

Householder Calderdale
3 Sept 2026 Pending Consideration 26/00795/HSE

55 Broadley Crescent Mount Tabor Halifax Calderdale HX2 0RL

Two storey side extension. Single storey rear extension, porch and a rear dormer.

Householder Calderdale
3 Sept 2026 Pending Consideration 26/00728/HSE

18 Princeton Close Wheatley Halifax Calderdale HX2 0US

Garage conversion (retrospective)

Householder Calderdale
3 Sept 2026 Pending Consideration 26/00474/HSE

150 Moor End Road Halifax Calderdale HX2 0SF

Side and rear extensions and raising the roof to create bedrooms

Householder Calderdale
2 Sept 2026 Pending Consideration 26/00790/HSE

116 Pye Nest Road Halifax Calderdale HX2 7HS

Demolition of garage to facilitate a garden room, raise garden level

Householder Calderdale
2 Sept 2026 Pending Consideration 26/00787/HSE

60 Garlick Street Rastrick Brighouse Calderdale HD6 3PW

Raising height of roof to create additional living space with dormer to front and rear, two storey side extension, porch to front and single storey ex...

Householder Calderdale
2 Sept 2026 Pending Decision 26/00689/LBC

Broad Fold Hall Dean House Lane Luddenden Sowerby Bridge Calderdale

Repair and Upgrade of Existing Internal Doors to Improve Fire Safety Performance

Listed Building Consent Calderdale
2 Sept 2026 Pending Consideration 26/00513/FUL

Mytholmroyd Cricket Club Moderna Way Mytholmroyd Hebden Bridge Calderdale HX7 5PZ

Patio Area and Fencing

Full Application Calderdale
2 Sept 2026 Pending Decision 26/00726/HSE

Woodlands Greenroyd Avenue Skircoat Green Halifax Calderdale HX3 0LP

Garden room

Householder Calderdale
1 Sept 2026 Pending Decision 26/00706/HSE

The Arches 3 Lower Ox Heys Norwood Green Brighouse Calderdale HX3 8QY

Demolition of existing conservatory to form new external amenity space and associated external alterations

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

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