House extensions in Swindon

Swindon received 408 householder applications in the last 12 months - about 8 a week. Rear extensions and garage works are the most common. Of the 313 decided so far, 296 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 120 applications
Yesterday Application Pending Decision S/HOU/26/1120

26 Malvern Road Gorse Hill Swindon SN2 1AT

Increase of height of existing low stone/block boundary wall to 2.0m, with rendered finish to match the main dwelling.

Householder planning application Swindon
Yesterday Application Pending Decision S/HOU/26/1119

52 Windsor Road Lawn Swindon SN3 1JX

Erection of a two storey rear extension, conversion of garage into living accommodation and alterations to front and side fenestration.

Householder planning application Swindon
8 Sept 2026 Application Pending Decision S/HOU/26/1126

47 High Street Blunsdon Swindon SN26 7AG

Single storey side extension to form new bedroom and associated works

Householder planning application Swindon
7 Sept 2026 Pending S/HOU/26/1103

546 Cricklade Road Swindon SN2 7AQ

Erection of single storey rear extension, change roof from flat roof to rear to hipped roof and associated works.

Householder planning application Swindon
4 Sept 2026 Pending S/HOU/26/1106

11 Evelyn Street Old Town Swindon SN3 1RP

Erection of single storey rear extension.

Householder planning application Swindon
4 Sept 2026 Pending S/LDP/26/1087

44 Coronation Road Wroughton Swindon SN4 9AS

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

Lawful Development Cert - Proposed Swindon
4 Sept 2026 Application Pending Decision S/HOU/26/1105

8 Richmond Road Rodbourne Cheney Swindon SN2 1LZ

Erection of a single-storey residential annexe within the rear garden, ancillary to the main dwellinghouse.

Householder planning application Swindon
3 Sept 2026 Pending S/26/0471

Mission Church Dixon Street Swindon SN1 3PJ

Installation of 10 Vellux Windows.

Full Planning Application Swindon
2 Sept 2026 Pending S/LDP/26/1099

13 Leven Freshbrook Swindon SN5 8QW

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

Lawful Development Cert - Proposed Swindon
1 Sept 2026 Pending S/LDP/26/1080

7 Morse Street Swindon SN1 5QP

Certificate of Lawfulness (proposed) for loft conversion with rear dormers and single storey rear extension.

Lawful Development Cert - Proposed Swindon
1 Sept 2026 Pending S/LDP/26/1079

93 Curtis Street Swindon SN1 5LR

Certificate of Lawfulness (proposed) for loft conversion with rear dormers.

Lawful Development Cert - Proposed Swindon
1 Sept 2026 Pending S/LDP/26/1073

5 Bay Tree Court Pinehurst Swindon SN2 1TQ

Certificate of Lawfulness (Proposed) for the erection of a rear dormer window.

Lawful Development Cert - Proposed Swindon
28 Aug 2026 Pending S/LDP/26/1081

168 Beatrice Street Gorse Hill Swindon SN2 1BD

Certificate of Lawfulness (proposed) for loft conversion with rear dormers.

Lawful Development Cert - Proposed Swindon
28 Aug 2026 Pending S/PHOU/26/1082

168 Beatrice Street Gorse Hill Swindon SN2 1BD

Prior Approval Notification for the erection of a single storey rear extension measuring 6.00m (from original rear wall), 2.80m (maximum height) and 2...

Prior App Householder Extension Swindon
27 Aug 2026 Pending S/LDP/26/1070

11 Evelyn Street Old Town Swindon SN3 1RP

Certificate of Lawfulness (Proposed) for the erection of a rear dormer window.

Lawful Development Cert - Proposed Swindon
27 Aug 2026 Pending S/HOU/26/1072

22 Deneb Drive Oakhurst Swindon SN25 2LB

Conversion of garage (Retrospective) for ancillary use by host dwelling.

Householder planning application Swindon
26 Aug 2026 Pending S/LDP/26/1068

55 Thames Avenue Haydon Wick Swindon SN25 3NR

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

Lawful Development Cert - Proposed Swindon
25 Aug 2026 Application Pending Decision S/HOU/26/1061

72 Grange Drive Stratton St Margaret Swindon SN3 4LD

Erection of single storey side extension, conversion of garage into living accommodation and single storey front extension. Changes from previous appr...

Householder planning application Swindon
25 Aug 2026 Pending S/LDP/26/1059

35 Olive Grove Rodbourne Cheney Swindon SN25 3DB

Certificate of Lawfulness (Proposed) for the erection of a single storey conservatory on the rear elevation.

Lawful Development Cert - Proposed Swindon
24 Aug 2026 Application Pending Decision S/HOU/26/1055

Breach Farm Cottage Horpit Wanborough Swindon SN4 0AT

Removal of existing side porch and erection of new timber frame side porch, 2 no new windows in side elevation.

Householder planning application Swindon
24 Aug 2026 Application Pending Decision S/LDP/26/0972

13 Canney Close Chiseldon Swindon SN4 0PG

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

Lawful Development Cert - Proposed Swindon
24 Aug 2026 Application Pending Decision S/HOU/26/0985

46 Burford Avenue Old Walcot Swindon SN3 1BN

Erection of detached domestic garage.

Householder planning application Swindon
24 Aug 2026 Application Pending Decision S/HOU/26/1045

24 Riverdale Close Swindon SN1 4EF

Hip to gable conversion with replacement rear dormer and new front dormer

Householder planning application Swindon
21 Aug 2026 Application Pending Decision S/HOU/26/1051

45 Trajan Road Stratton St Margaret Swindon SN3 4BW

Erection of a first floor side extension.

Householder planning application Swindon
20 Aug 2026 Application Pending Decision S/LDP/26/1042

128 County Road Swindon SN1 2DY

Certificate of Lawfulness (Proposed) for the erection of 1no rear and side dormer window.

Lawful Development Cert - Proposed Swindon
20 Aug 2026 Application Pending Decision S/26/1031

Mcdonalds Cockleberry Great Western Way Swindon SN2 1US

Refurbishment of the restaurant to include minor elevation changes, incorporating respraying the existing windows, doors and drive thru booths in dark...

Full Planning Application Swindon
19 Aug 2026 Application Pending Decision S/26/1034

128 County Road Swindon SN1 2DY

Change of use from two flats to 8 bedroom 8 person HMO (Sui Generis) with two storey rear and single storey side extensions and rear dormer window.

Full Planning Application Swindon
18 Aug 2026 Application Pending Decision S/HOU/26/0970

202 Frobisher Drive Walcot Swindon SN3 3ES

Erection of two storey side and rear extensions, front canopy and single storey rear extension.

Householder planning application Swindon
18 Aug 2026 Application Pending Decision S/LDP/26/1006

15 Swindon Road Wroughton Swindon SN4 9AG

Certificate of Lawfulness (proposed) for Conversion of hipped roof to a side gable and the erection of 1 no. rear dormer window.

Lawful Development Cert - Proposed Swindon
18 Aug 2026 Application Pending Decision S/LDP/26/1022

32 Eastmere Liden Swindon SN3 6JY

Certificate of Lawfulness (proposed) for the conversion of garage into living accommodation.

Lawful Development Cert - Proposed Swindon
17 Aug 2026 Application Pending Decision S/26/1023

The Calley Arms 2 Ham Road Wanborough Swindon SN4 0DF

Internal and external alterations; including replacement of existing external door and side window with concertina doors, replacement of existing timb...

Full Planning Application Swindon
17 Aug 2026 Application Pending Decision S/LBC/26/1024

The Calley Arms 2 Ham Road Wanborough Swindon SN4 0DF

Internal and external alterations; including replacement of existing external door and side window with concertina doors, replacement of existing timb...

Listed Building Consent Swindon
14 Aug 2026 Application Pending Decision S/26/0949

1 Bridge House 1 Farnsby Street Swindon SN1 5AP

Replacement of the existing aluminium sliding entrance doors and associated glazed screen.

Full Planning Application Swindon
14 Aug 2026 Application Pending Decision S/HOU/26/1017

Tanglewood 2 The Avenue Stanton Fitzwarren Swindon SN6 7SE

Erection of a single storey rear extension.

Householder planning application Swindon
14 Aug 2026 Approved S/LDP/26/1015

24 Bradley Road Upper Stratton Swindon SN2 7QB

Certificate of Lawfulness (Proposed) for a loft conversion with hipped to gabled roof.

Lawful Development Cert - Proposed Swindon
14 Aug 2026 Application Pending Decision S/PHOU/26/1012

35 Naunton Road Walcot Swindon SN3 3DQ

Prior Approval Notification for the erection of a ground floor rear extension measuring 6.00m (from existing rear wall), 2.90m (maximum height) and 2....

Prior App Householder Extension Swindon
12 Aug 2026 Application Pending Decision S/HOU/26/1008

5 Loveage Close Woodhall Park Swindon SN2 2TW

Erection of first floor rear extension.

Householder planning application Swindon
12 Aug 2026 Application Pending Decision S/HOU/26/1005

Brookside 16 Washpool Swindon SN5 3PN

Reroof existing flat roof garage with a pitched roof.

Householder planning application Swindon
12 Aug 2026 Application Pending Decision S/HOU/26/1001

6 Marlborough Road Chiseldon Swindon SN4 0NR

Raising roof height, erection of two storey front and side extensions and single storey rear extension and new access.

Householder planning application Swindon
12 Aug 2026 Approved S/AMEND/26/0990

15 Pentylands Close Highworth Swindon SN6 7JY

Non-Material Amendment from previous application S/HOU/25/0377 relating to the replacement of recessed Juliet balcony with gable end window.

Non Material Amendments Swindon
11 Aug 2026 Application Pending Decision S/26/1000

Unit 19 Greenbridge Retail Park Swindon SN3 3SQ

External alterations to the front elevations of an existing unit and creation of an Outdoor Seating Area.

Full Planning Application Swindon
11 Aug 2026 Application Pending Decision S/HOU/26/0998

Russley Park Cottage Russley Park Bishopstone Swindon SN8 2JY

Erection of single storey rear extensions, front porch and conversion of garage into living accommodation.

Householder planning application Swindon
10 Aug 2026 Application Pending Decision S/26/0988

99 - 100 Victoria Road Old Town Swindon SN1 3BE

Internal and external alterations of Newspaper House (listed portion) for the conversion from office space (Use Class E) to provide three residential ...

Full Planning Application Swindon
10 Aug 2026 Application Pending Decision S/HOU/26/0917

Maple Tree Cottage 17A Turnpike Road Blunsdon Swindon SN26 7EA

Erection of a detached timber garden workshop and storage building.

Householder planning application Swindon
7 Aug 2026 Application Pending Decision S/HOU/26/0989

18A King Henry Drive Grange Park Swindon SN5 6BL

Erection of single storey rear extension and front porch.

Householder planning application Swindon
7 Aug 2026 Application Pending Decision S/HOU/26/0983

37 Falmouth Grove Old Walcot Swindon SN3 1EL

Erection of two storey wrap-around extension to side and rear, with single storey elements to rear aspect.

Householder planning application Swindon
6 Aug 2026 Application Pending Decision S/HOU/26/0984

1 Atbara Close Rodbourne Cheney Swindon SN25 3DD

Erection of a first floor rear extension.

Householder planning application Swindon
6 Aug 2026 Application Pending Decision S/LDP/26/0981

7 Gosling Close Wanborough Swindon SN4 0FE

Certificate of Lawfulness (Proposed) for the erection of single-storey rear extension.

Lawful Development Cert - Proposed Swindon
5 Aug 2026 Application Pending Decision S/HOU/26/0924

34 Frilford Drive Stratton St Margaret Swindon SN3 4JW

Erection of two storey side, single storey rear extensions, conversion of garage into habitable space, creation of a dropped kerb and associated works...

Householder planning application Swindon
4 Aug 2026 Application Pending Decision S/HOU/26/0975

16 Little Avenue Rodbourne Cheney Swindon SN2 1NL

Erection of single storey rear extension.

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.