House extensions in Luton

Luton received 472 householder applications in the last 12 months - about 9 a week. Rear extensions and dormers are the most common. Of the 296 decided so far, 226 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 189 applications
2 days ago Awaiting decision 26/00918/FULHH

21 Willow Way Luton LU3 2SA

Erection of single and two storey rear/side extension and changes to fenestration

FUL Household Luton
2 days ago Awaiting decision 26/00924/FULHH

28 Derwent Avenue Luton LU3 2DX

Erection of single storey rear extension and raising of the decking area.

FUL Household Luton
7 Sept 2026 Pending 26/00824/FUL

306 - 308 Oakley Road Luton LU4 9QD

Conversion and extension of existing detached double garage to 1 bedroom dwelling (Class C3) for ancillary use to existing pharmacy together with asso...

Full Application Luton
4 Sept 2026 Pending 26/00874/LAWP

16 Needham Road Luton LU4 9HD

Certificate of Lawfulness of Proposed Development - Erection of detached outbuilding for use as garden storage, office and gym purposes ancillary to t...

Certificate of lawfulness (Proposed) Luton
4 Sept 2026 Pending 26/00881/LAWP

3 Plymouth Close Luton LU2 0RA

Certificate of Lawfulness of proposed development - Erection of single storey rear extension, a rear dormer and three front rooflights to facilitate a...

Certificate of lawfulness (Proposed) Luton
4 Sept 2026 Pending 26/00876/LAWP

14 Needham Road Luton LU4 9HD

Certificate of Lawfulness of proposed development - Erection of single storey detached outbuilding to be used ancillary to the main dwelling as a home...

Certificate of lawfulness (Proposed) Luton
4 Sept 2026 Awaiting decision 26/00922/PARES

83 Littlefield Road Luton LU2 9BU

Request for a determination as to whether prior approval is required under Part 1 Class A of the Town and Country Planning (General Permitted Developm...

Prior - Larger Household Extensions Luton
3 Sept 2026 Awaiting decision 26/00828/FULHH

14 Dovehouse Hill Luton LU2 9ES

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

FUL Household Luton
3 Sept 2026 Pending 26/00861/FULHH

42 Ailsworth Road Luton LU3 2UG

Erection of first floor side and single storey rear extensions and changes to fenestration

FUL Household Luton
2 Sept 2026 Pending 26/00699/FULHH

18 Ludlow Avenue Luton LU1 3RW

Excavating and infill of rear garden to lower and raise garden level. (Retrospective)

FUL Household Luton
1 Sept 2026 Pending 26/00846/FULHH

328 Old Bedford Road Luton LU2 7EJ

Erection of single and two storey side and rear extension and front porch

FUL Household Luton
1 Sept 2026 Pending 26/00891/FULHH

23 Hardwick Green Luton LU3 3XA

Erection of a single storey front/side extension with altertions to fenestration and rear rooflight to facilitate a conversion of existing garage stor...

FUL Household Luton
31 Aug 2026 Pending 26/00913/FULHH

134 Turnpike Drive Luton LU3 3RF

Erection of a single storey side and rear extension.

FUL Household Luton
28 Aug 2026 Pending 26/00832/FUL

1 Kimpton Road Luton LU1 3LD

Erection of a lightweight building, without permanent foundations, ancillary to the existing main building.

Full Application Luton
27 Aug 2026 Pending 26/00921/PARES

28 Marlborough Road Luton LU3 1EF

Request for a determination as to whether prior approval is required under Part 1 Class A of the Town and Country Planning (General Permitted Developm...

Prior - Larger Household Extensions Luton
27 Aug 2026 Pending 26/00888/FULHH

2 Hollybush Road Luton LU2 9HG

Erection of detached double garage.

FUL Household Luton
27 Aug 2026 Awaiting decision 26/00863/FULHH

12 Manton Drive Luton LU2 7DH

Erection of single/two storey side and rear extension.

FUL Household Luton
26 Aug 2026 Awaiting decision 26/00847/FULHH

23 Atherstone Road Luton LU4 8QU

Erection of two storey side, single storey rear extension, alterations to fenestration and erection of detached double garage and outbuilding/summerho...

FUL Household Luton
26 Aug 2026 Awaiting decision 26/00839/FULHH

25 Humberstone Close Luton LU4 9ST

Erection of single storey rear/ first floor side extension, roof alterations including increase in height, hip to gable conversion and rear dormer wit...

FUL Household Luton
26 Aug 2026 Awaiting decision 26/00869/PARES

110 Sundon Park Road Luton LU3 3AG

Request for a determination as to whether prior approval is required under Part 1 Class A of the Town and Country Planning (General Permitted Developm...

Prior - Larger Household Extensions Luton
24 Aug 2026 Pending 26/00892/FULHH

5 Finsbury Road Luton LU4 9AH

Erection of single storey rear extension.

FUL Household Luton
24 Aug 2026 Awaiting decision 26/00854/FULHH

96 - 98 Dorrington Close Luton LU3 1XR

Erection of single storey rear extension.

FUL Household Luton
21 Aug 2026 Awaiting decision 26/00889/FULHH

58 Langford Drive Luton LU2 9AJ

Erection of a single storey side and rear extension

FUL Household Luton
21 Aug 2026 Awaiting decision 26/00851/PARES

66 Pembroke Avenue Luton LU4 9BH

Request for a determination as to whether prior approval is required under Part 1 Class A of the Town and Country Planning (General Permitted Developm...

Prior - Larger Household Extensions Luton
20 Aug 2026 Awaiting decision 26/00901/FULHH

357 Leagrave High Street Luton LU4 0ND

Erection of rear dormer window and two front roof lights.

FUL Household Luton
20 Aug 2026 Awaiting decision 26/00884/FULHH

5 Mount Pleasant Road Luton LU3 2RR

Erection of single storey front and rear extensions following demolition of existing store

FUL Household Luton
19 Aug 2026 Awaiting decision 26/00883/PARES

127 Chester Avenue Luton LU4 9SH

Request for a determination as to whether prior approval is required under Part 1 Class A of the Town and Country Planning (General Permitted Developm...

Prior - Larger Household Extensions Luton
18 Aug 2026 Awaiting decision 26/00812/LAWP

9 St Peters Road Luton LU1 1PG

Certificate of Lawfulness of Proposed Development - Erection of a rear dormer with three front rooflights to facilitate loft conversion

Certificate of lawfulness (Proposed) Luton
18 Aug 2026 Awaiting decision 26/00879/PARES

83 Rossfold Road Luton LU3 3HJ

Request for a determination as to whether prior approval is required under Part 1 Class A of the Town and Country Planning (General Permitted Developm...

Prior - Larger Household Extensions Luton
18 Aug 2026 Awaiting decision 26/00853/FULHH

15 Pembroke Avenue Luton LU4 9BH

Erection of single storey side / rear & two storey side extension.

FUL Household Luton
17 Aug 2026 Awaiting decision 26/00806/FUL

Ground Floor Flat 29 High Street Leagrave Luton LU4 9JY

Erection of a single/two storey side and rear extension and subdivision of an existing two-flat building to create 3 flats comprising 2 x 1-bedroom an...

Full Application Luton
14 Aug 2026 Awaiting decision 26/00860/PAUPDW

23 Onslow Road Luton LU4 9AJ

Request for a determination as to whether prior approval is required under Part 1 Class AA of the Town and Country Planning (General Permitted Develop...

Enlargement dwelling by add. stories Luton
14 Aug 2026 Awaiting decision 26/00862/FULHH

30 Norman Road Luton LU3 1JN

Erection of first floor rear extension.

FUL Household Luton
14 Aug 2026 Approved 26/00804/LAWP

21 Colin Road Luton LU2 7RU

Certificate of Lawfulness of Proposed Development - Erection of a rear dormer with three front rooflights and internal alterations to facilitate loft ...

Certificate of lawfulness (Proposed) Luton
13 Aug 2026 Awaiting decision 26/00644/FUL

Unit M Cradock Road Luton

Demolition and re-build of existing single storey rear extension.

Full Application Luton
13 Aug 2026 Awaiting decision 26/00606/FULHH

81 Summerfield Road Luton LU1 1UH

Erection of a single storey rear extension.

FUL Household Luton
12 Aug 2026 Awaiting decision 26/00850/FULHH

61 Marlborough Road Luton LU3 1EF

Erection of a two-storey side and rear extension, a single-storey rear extension, and a front porch with canopy.

FUL Household Luton
12 Aug 2026 Awaiting decision 26/00748/FULHH

38 Thatch Close Luton LU4 0SU

Erection of detached outbuilding to provide an annexe (retrospective).

FUL Household Luton
12 Aug 2026 Approved 26/00789/LAWP

52 South Drift Way Luton LU1 5PX

Certificate of Lawfulness of Proposed development - Erection of rear dormer window with French doors and three front rooflights to facilitate loft con...

Certificate of lawfulness (Proposed) Luton
11 Aug 2026 Awaiting decision 26/00848/FULHH

24 Leyburne Road Luton LU3 2HE

Erection of single and two storey side and single storey rear extensions and new dropped kerb/crossover after demolition of rear outbuilding. (resubmi...

FUL Household Luton
11 Aug 2026 Awaiting decision 26/00849/FULHH

1 Chartwell Drive Luton LU2 7JD

Erection of additional first floor extension.

FUL Household Luton
11 Aug 2026 Awaiting decision 26/00797/FULHH

537 Dunstable Road Luton LU4 8QW

Erection of outbuilding

FUL Household Luton
10 Aug 2026 Awaiting decision 26/00731/FULHH

442 New Bedford Road Luton LU3 2BA

Erection of single and two storey side and rear extensions, front porch, raising the roof with a side and rear dormer and two front rooflights to faci...

FUL Household Luton
10 Aug 2026 Awaiting decision 26/00843/LAWP

16 Curlew Road Luton LU2 8EN

Certificate of Lawfulness of Proposed Development - Conversion of garage to habitable room and external alterations to replace existing garage door wi...

Certificate of lawfulness (Proposed) Luton
10 Aug 2026 Awaiting decision 26/00840/FULHH

172 Gardenia Avenue Luton LU3 2NT

Erection of a single-storey side extension to form a garage and utility room/workshop.

FUL Household Luton
10 Aug 2026 Awaiting decision 26/00690/FULHH

20 Trefoil Close Luton LU4 0RB

Erection of a single storey rear and front extensions with changes to fenestration.

FUL Household Luton
7 Aug 2026 Awaiting decision 26/00756/FUL

6 - 8 Park Street Luton LU1 3EP

Refurbishment, extension and conversion of the vacant first and second floors to provide 18 self-contained studio apartments, together with external a...

Full Application Luton
7 Aug 2026 Awaiting decision 26/00838/PARES

111 Tenby Drive Luton LU4 9BL

Request for a determination as to whether prior approval is required under Part 1 Class A of the Town and Country Planning (General Permitted Developm...

Prior - Larger Household Extensions Luton
7 Aug 2026 Awaiting decision 26/00835/PARES

109 Tenby Drive Luton LU4 9BL

Request for a determination as to whether prior approval is required under Part 1 Class A of the Town and Country Planning (General Permitted Developm...

Prior - Larger Household Extensions Luton
7 Aug 2026 Awaiting decision 26/00791/FULHH

78 Exton Avenue Luton LU2 0LJ

Erection of a front and side canopy with changes to fenestration (retrospective)

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

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