House extensions in Swindon

Swindon received 508 householder applications in the last 12 months - about 10 a week. Rear extensions and garage works are the most common. Of the 416 decided so far, 393 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 133 applications
23 Oct 2026 Application Pending Decision S/LDP/26/1309

142 Kingshill Road Kingshill Swindon SN1 4LW

Certificate of Lawfulness (proposed) for the erection of single storey rear outbuilding.

Lawful Development Cert - Proposed Swindon
23 Oct 2026 Application Pending Decision S/HOU/26/1318

9 Rawlings Close South Marston Swindon SN3 4XA

Erection of single-storey rear extension to existing double garage and replacement of two single garage doors with onewider garage door.

Householder planning application Swindon
23 Oct 2026 Application Pending Decision S/HOU/26/1173

72 Westlecot Road Old Town Swindon SN1 4HE

Erection of side and rear extensions to existing bungalow.

Full Planning Application Swindon
22 Oct 2026 Application Pending Decision S/HOU/26/1323

10 Kilda Road Highworth Swindon SN6 7HS

Erection of single storey rear/side extension and part garage conversion.

Householder planning application Swindon
21 Oct 2026 Application Pending Decision S/HOU/26/1315

546 Cricklade Road Swindon SN2 7AQ

Outer skin to be facing brickwork on existing house and proposed extension under application S/HOU/26/1103.

Householder planning application Swindon
21 Oct 2026 Application Pending Decision S/PHOU/26/1303

399 Ferndale Road Swindon SN2 1DE

Prior Approval Notification for the erection of a single storey rear extension measuring 5.1m (from original rear wall), 3.00m (maximum height) and 3....

Prior App Householder Extension Swindon
21 Oct 2026 Application Pending Decision S/HOU/26/1306

Tanglewood 2 The Avenue Stanton Fitzwarren Swindon SN6 7SE

Erection of a single storey rear extension - Variation of conditions 2 and 3 from previous application S/HOU/26/1017 to amend the render, finish and c...

Householder planning application Swindon
21 Oct 2026 Application Pending Decision S/HOU/26/1304

55 Langton Park Wroughton Swindon SN4 0QW

Erection of an outbuilding comprising home office and garden store (Retrospective).

Householder planning application Swindon
21 Oct 2026 Application Pending Decision S/HOU/26/1279

9 Overton Gardens Stratton St Margaret Swindon SN3 4LZ

Erection of 2 storey side and single storey rear extensions.

Householder planning application Swindon
19 Oct 2026 Application Pending Decision S/LBC/26/1285

Cherry Tree Farm Hannington Lane Hannington Swindon SN6 7RX

Replacement of the existing roof of the barn and associated works.

Listed Building Consent Swindon
19 Oct 2026 Application Pending Decision S/HOU/26/1291

45 Winlaw Close Shaw Swindon SN5 5WX

Erection of a single storey front porch extension.

Householder planning application Swindon
19 Oct 2026 Application Pending Decision S/HOU/26/1281

105 May Close Gorse Hill Swindon SN2 1XA

Erection of a two Storey side extension with single storey extension to rear.

Householder planning application Swindon
19 Oct 2026 Application Pending Decision S/PHOU/26/1235

16 Stapleford Way Penhill Swindon SN2 5NU

Prior Approval Notification for the erection of single storey rear extension measuring 06m (from original rear wall), 3.2m (maximum height) and 2.9m (...

Prior App Householder Extension Swindon
19 Oct 2026 Application Pending Decision S/LDP/26/1289

109 Downton Road Penhill Swindon SN2 5JX

Certificate of Lawfulness proposed for the erection of single storey rear extension.

Lawful Development Cert - Proposed Swindon
16 Oct 2026 Application Pending Decision S/26/1284

Cherry Tree Farm Hannington Lane Hannington Swindon SN6 7RX

Replacement of the existing roof of the barn and associated works.

Full Planning Application Swindon
16 Oct 2026 Application Pending Decision S/LDP/26/1277

19 Chedworth Gate Broome Manor Swindon SN3 1NE

Certificate of Lawfulness (Proposed) for the erection of a single storey side extension.

Lawful Development Cert - Proposed Swindon
16 Oct 2026 Application Pending Decision S/HOU/26/1293

88 Okus Road Swindon SN1 4JP

Erection of a single storey rear extension.

Householder planning application Swindon
16 Oct 2026 Application Pending Decision S/HOU/26/1278

207 Marlborough Road Swindon SN3 1NN

Erection of single storey rear extension.

Householder planning application Swindon
13 Oct 2026 Application Pending Decision S/HOU/26/1264

The Orchard High Street Wroughton Swindon SN4 9JX

Erection of an additional storey over the existing bungalow to provide a two storey dwelling including associated external alterations.

Householder planning application Swindon
12 Oct 2026 Application Pending Decision S/HOU/26/1263

9 Thames Avenue Haydon Wick Swindon SN25 3NP

Erection of a single-storey side/rear extension. Erection of a side canopy. Associated external alterations to the dwelling. Demolition of existing ou...

Householder planning application Swindon
12 Oct 2026 Application Pending Decision S/HOU/26/1262

Millbrook House Westrop Highworth Swindon SN6 7QH

Erection of garden annexe ancillary to host dwelling.

Householder planning application Swindon
12 Oct 2026 Application Pending Decision S/26/1257

239 Cricklade Road Swindon SN2 1AE

Erection of a single storey side extension and creation of two entrances to the ground-floor shop and the first floor.

Full Planning Application Swindon
12 Oct 2026 Application Pending Decision S/HOU/26/1261

44 Bullfinch Close Covingham Swindon SN3 5HP

Demolition and rebuild of conservatory due to structural damage

Householder planning application Swindon
12 Oct 2026 Application Pending Decision S/HOU/26/1255

8 Blake Crescent Stratton St Margaret Swindon SN3 4LR

Ground Floor Rear and Side extension and enlarged Rear dormer extension.

Householder planning application Swindon
12 Oct 2026 Application Pending Decision S/HOU/26/1254

23 Meadowcroft Stratton St Margaret Swindon SN2 7JP

Erection of single storey rear timber frame construction, replacement flat roof and associated works (retrospective)

Householder planning application Swindon
9 Oct 2026 Approved 15 Oct S/LDP/26/1250

29 East Wichel Way East Wichel Swindon SN1 7AD

Certificate of Lawfulness (proposed) for the erection of single storey rear extension, loft conversion and rear dormer window.

Lawful Development Cert - Proposed Swindon
8 Oct 2026 Application Pending Decision S/HOU/26/1238

Orcheston 619 Cricklade Road Swindon SN2 5AB

Retrospective planning application for front canopy, rear outbuilding and external changes with associated works.

Householder planning application Swindon
8 Oct 2026 Application Pending Decision S/HOU/26/1164

61 The Mall Old Town Swindon SN1 4JA

Demolition of existing detached garage and erection of replacement two-storey garage/store building with ancillary family accommodation at first-floor...

Householder planning application Swindon
7 Oct 2026 Application Pending Decision S/PHOU/26/1227

6 Malvern Road Gorse Hill Swindon SN2 1AR

Prior Approval Notification fot the erection of a single storey extension measuring 5.00m (from existing rear wall), 3.47m (maximum height) and 2.50m ...

Prior App Householder Extension Swindon
7 Oct 2026 Application Pending Decision S/26/1182

28 Westcott Place Swindon SN1 5HW

Change of use House in Multiple Occupancy (C4) to Sui Generis for 7 or more occupants, rear dormers, single storey rear extension and associated works...

Full Planning Application Swindon
6 Oct 2026 Application Pending Decision S/26/1225

36 High Street Highworth Swindon SN6 7AQ

Retrospective replacement of front door and external decoration.

Full Planning Application Swindon
6 Oct 2026 Application Pending Decision S/HOU/26/1237

Sturry Brook Farm 11 Highworth Road Swindon SN3 4TF

Erection of two storey side and rear extension

Householder planning application Swindon
5 Oct 2026 Application Pending Decision S/26/1230

SN1 Station Road Swindon SN1 1DG

External alterations to create external cycle store.

Full Planning Application Swindon
5 Oct 2026 Application Pending Decision S/HOU/26/1223

39 Belle Vue Road Old Town Swindon SN1 3HN

Erection of a single storey rear extension and associated works.

Householder planning application Swindon
5 Oct 2026 Application Pending Decision S/HOU/26/1236

152 Oxford Road Stratton St Margaret Swindon SN3 4HA

Erection of a single-storey rear extension to the dwelling.

Householder planning application Swindon
5 Oct 2026 Application Pending Decision S/HOU/26/1234

71 Avenue Road Old Town Swindon SN1 4DA

Erection of single storey side and rear extension, loft conversion, and erection of detached rear garage.

Householder planning application Swindon
3 Oct 2026 Application Pending Decision S/HOU/26/1217

14 Priors Hill Wroughton Swindon SN4 0RT

Erection of detached garage (retrospective).

Householder planning application Swindon
2 Oct 2026 Application Pending Decision S/HOU/26/1221

57 Sandringham Road Lawn Swindon SN3 1HT

Erection of single storey front / rear extensions and associated works.

Householder planning application Swindon
2 Oct 2026 Application Pending Decision S/LBC/26/1226

36 High Street Highworth Swindon SN6 7AQ

Retrospective internal alterations, replacement of the front door, and external decoration.

Listed Building Consent Swindon
2 Oct 2026 Application Pending Decision S/HOU/26/1229

36 Oxford Road Stratton St Margaret Swindon SN3 4HD

Erection of a side/rear extension, hip to roof gable and detached garden room.

Householder planning application Swindon
1 Oct 2026 Application Pending Decision S/HOU/26/1222

27 Lynwood Grove Moredon Swindon SN2 2LY

Erection of a single storey rear extension, garage extension and 1.8 metre high boundary fence.

Householder planning application Swindon
1 Oct 2026 Application Pending Decision S/HOU/26/1224

School House Windsor Road Lawn Swindon SN3 1JP

Erection of entrance gates and walls for security to existing driveway.

Householder planning application Swindon
30 Sept 2026 Application Pending Decision S/26/1193

The Ferns Front Lane Blunsdon Swindon SN26 7BJ

Demolition of garage, relocation of summer house and erection of 1no. detached dwelling, replacement garage and associated works (Variation of Conditi...

Full Planning Application Swindon
30 Sept 2026 Application Pending Decision S/HOU/26/1220

50 Sywell Road Stratton St Margaret Swindon SN3 4BG

Erection of single storey rear and two storey side extensions.

Householder planning application Swindon
29 Sept 2026 Application Pending Decision S/HOU/26/1212

1 Moresby Close Westlea Swindon SN5 7BX

Garage conversion, single storey rear/side extension and front porch.

Householder planning application Swindon
28 Sept 2026 Application Pending Decision S/HOU/26/1210

41 Quarry Road Old Town Swindon SN1 4EN

Erection of a balcony on first floor.

Householder planning application Swindon
25 Sept 2026 Application Pending Decision S/HOU/26/1208

24 Church Walk South Rodbourne Cheney Swindon SN2 2JE

Erection of a two-storey side extension and single-storey rear extension following the demolition of existing extensions.

Householder planning application Swindon
24 Sept 2026 Application Pending Decision S/PHOU/26/1203

55 Cumberland Road Old Walcot Swindon SN3 1AB

Prior Approval Notification for the erection of a single storey rear extension measuring 4.8m (from original rear wall), 3m (maximum height) and 3m (h...

Prior App Householder Extension Swindon
22 Sept 2026 Application Pending Decision S/LDP/26/1188

3 Fraser Close Nythe Swindon SN3 3RP

Certificate of Lawfulness (proposed) for the erection of a dormer window to side elevation.

Lawful Development Cert - Proposed Swindon
22 Sept 2026 Application Pending Decision S/HOU/26/1191

15 Sutton Park Blunsdon Swindon SN26 7BB

Garage Conversion to habitable accommodation and associated works.

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

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