House extensions in Basildon

Basildon received 571 householder applications in the last 12 months - about 11 a week. Rear extensions and garage works are the most common. Of the 467 decided so far, 431 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 150 applications
Yesterday Awaiting decision 26/01156/FULL

211 Clay Hill Road Basildon Essex SS16 4AB

Single storey side extension and part single storey, part two storey rear extension to existing dwelling house.

Full Application Basildon
Yesterday Awaiting decision 26/01155/FULL

49 Claremont Road Laindon Essex SS15 5PX

Single-storey rear extension, alterations to the existing roof accommodation, enlarged rear dormer, additional front dormer and internal reconfigurati...

Full Application Basildon
Yesterday Awaiting decision 26/01153/LDCP

43 Woolmer Green Laindon Basildon Essex SS15 5LL

To establish the lawfulness of the removal of existing conservatory and construction of a proposed single-storey rear flat roofed extension.

LDC - Proposed Basildon
24 Oct 2026 Awaiting decision 26/01142/LDCP

13 Well Mead Billericay Essex CM12 9RH

To establish the lawfulness of the proposed conversion and incorporation of the existing side outbuilding/store into the main dwellinghouse, including...

LDC - Proposed Basildon
23 Oct 2026 Awaiting decision 26/01088/LDCP

28 Alderney Gardens Wickford Essex SS11 7BD

To establish the lawfulness of a proposed garage conversion into habitable accommodation.

LDC - Proposed Basildon
22 Oct 2026 Awaiting decision 26/01149/FULL

165 Norsey Road Billericay Essex CM11 1DD

Two storey front extension

Full Application Basildon
22 Oct 2026 Awaiting decision 26/01148/LDCP

19 Handleys Chase Noak Bridge Basildon Essex SS15 4JB

To establish the lawfulness of proposed hip to gable loft conversion with rear dormer.

LDC - Proposed Basildon
21 Oct 2026 Awaiting decision 26/01141/FULL

210 Norsey Road Billericay Essex CM11 1DB

Proposed Detached Garage

Full Application Basildon
20 Oct 2026 Awaiting decision 26/01135/FULL

29 Chestwood Close Billericay Essex CM12 0PB

Convert rear of garage, including raising the roof and parapet wall

Full Application Basildon
20 Oct 2026 Awaiting decision 26/01133/FULL

26 Third Avenue Shotgate Wickford Essex SS11 8RF

Convert loft to habitable rooms, with hip to gable and front/rear dormers

Full Application Basildon
20 Oct 2026 Awaiting decision 26/01132/LDCP

93 Norsey Road Billericay Essex CM11 1BU

To establish the lawfulness of proposed loft conversion with rear box dormer.

LDC - Proposed Basildon
20 Oct 2026 Awaiting decision 26/01130/LDCP

Emline Cottage Hertford Drive Fobbing Essex SS17 9HL

To establish the lawfulness of proposed single storey side extension.

LDC - Proposed Basildon
20 Oct 2026 Awaiting decision 26/01127/FULL

Beccles Glebe Road Ramsden Bellhouse Billericay Essex CM11 1RJ

First floor side extension above the existing garage and side wing.

Full Application Basildon
19 Oct 2026 Awaiting decision 26/01129/PDPA

Emline Cottage Hertford Drive Fobbing Essex SS17 9HL

Notification for a proposed larger home extension projecting 8 metres from the rear wall of the original dwelling with a maximum height of 4.0 metres ...

Notification of Prior Approval Basildon
19 Oct 2026 Awaiting decision 26/01123/PDPA

3 Raven Close Billericay Essex CM12 0JE

Notification for a proposed larger home extension projecting 4.00 metres from the rear wall of the original dwelling with a maximum height of 3.50 met...

Notification of Prior Approval Basildon
19 Oct 2026 Awaiting decision 26/01121/FULL

10 Tanfield Drive Billericay Essex CM12 9EB

Erection of a first floor rear extension.

Full Application Basildon
19 Oct 2026 Awaiting decision 26/01119/FULL

Stock Brook Manor Golf And Country Club Queens Park Avenue Billericay Essex CM12 0SP

Extension to Enclosed Padel Facility (as Approved in Planning Permission 26/00479/VAR) to Provide a Reception and Viewing Area, in lieu of Outdoor Pad...

Full Application Basildon
19 Oct 2026 Awaiting decision 26/01110/FULL

Nurses Cottage High Road Laindon Basildon Essex SS15 6BS

Crossover to the rear of property.

Full Application Basildon
19 Oct 2026 Awaiting decision 26/01107/FULL

Second Floor Lex Building Cranes Close Basildon Essex SS14 3JB

Side extension to 2nd floor and reconfigure the ground and first floor of the main building. New fenestration to replace existing shutter. New outbuil...

Full Application Basildon
16 Oct 2026 Awaiting decision 26/01116/FULL

3 Langemore Way Billericay Essex CM11 2BT

Proposed two storey rear extension

Full Application Basildon
16 Oct 2026 Awaiting decision 26/01111/FULL

181 Forest Glade Langdon Hills Essex SS16 6SX

First Floor Side Extension (Amendment on Granted Application 23/01059/FULL)

Full Application Basildon
15 Oct 2026 Awaiting decision 26/01109/FULL

54 Hollyford Billericay Essex CM11 1EG

Ground floor front extension to the dwelling, aligned with the existing porch, with a new pitched roof and roof lights; removal of the existing rear g...

Full Application Basildon
15 Oct 2026 Awaiting decision 26/01112/FULL

1 The Chase Wickford Essex SS12 0HL

Single rear extension with pitched roof.

Full Application Basildon
15 Oct 2026 Awaiting decision 26/01097/FULL

46 Gardenia Court Laindon Basildon Essex SS15 5PG

Change of use from Class C3(b) (residential use) to Sui Generis (Large HMO - 6 people)) in association with the erection of a ground floor rear wrap a...

Full Application Basildon
15 Oct 2026 Awaiting decision 26/01075/FULL

10 Gate Lodge Square Noak Bridge Basildon Essex SS15 4AP

Replacement of windows with UPVC casement windows

Full Application Basildon
14 Oct 2026 Awaiting decision 26/01037/FULL

23 Dennington Crescent Basildon Essex SS14 2FF

Loft conversion with side dormer.

Full Application Basildon
14 Oct 2026 Awaiting decision 26/01106/FULL

2 Bowers Park Cottages London Road Pitsea Essex SS13 2DT

Proposed two storey side extension and single storey rear extension

Full Application Basildon
13 Oct 2026 Awaiting decision 26/01102/FULL

9 Shrewsbury Close Langdon Hills Basildon Essex SS16 6UB

Ground floor rear extension.

Full Application Basildon
13 Oct 2026 Approved 23 Oct 26/01101/LDCP

Ghyllgrove Community Primary School The Gore Basildon Essex SS14 2BG

Demolition of existing fire-escape staircase and erection of new fire-escape staircase.

LDC - Proposed Basildon
13 Oct 2026 Awaiting decision 26/01100/FULL

Lilac Cottage Dry Street Langdon Hills Basildon Essex SS16 5ND

Single storey side and rear extensions together with internal alterations.

Full Application Basildon
12 Oct 2026 Awaiting decision 26/01098/FULL

7 St Marys Avenue Billericay Essex CM12 9DU

Single storey rear extension and first floor side extension.

Full Application Basildon
9 Oct 2026 Awaiting decision 26/01104/FULL

9 Mount View Billericay Essex CM11 1HB

Proposed three storey side extension with balcony and new retaining wall.

Full Application Basildon
8 Oct 2026 Awaiting decision 26/01087/FULL

Braeside 14 Wash Road Laindon Essex SS15 4ER

Raise ridge height, replacement roof to form second storey. Two storey front extension and first floor rear extension.

Full Application Basildon
8 Oct 2026 Awaiting decision 26/01085/FULL

4 Little Charlton Pitsea Basildon Essex SS13 2EJ

Single story side and rear extension

Full Application Basildon
7 Oct 2026 Awaiting decision 26/01079/FULL

David Lloyd Leisure Festival Way Basildon Essex SS14 3WB

Proposed Spa Garden on existing Club Terrace Area.

Full Application Basildon
7 Oct 2026 Awaiting decision 26/01077/FULL

17 Carlyle Gardens Wickford Essex SS12 9LJ

Single storey side extension.

Full Application Basildon
7 Oct 2026 Awaiting decision 26/01076/FULL

34 Ingaway Lee Chapel South Basildon Essex SS16 5QR

Proposed single storey side extension with rear pergola.

Full Application Basildon
7 Oct 2026 Awaiting decision 26/01061/LDCP

Korda Kazoku House Honywood Road Basildon Essex SS14 3DS

To establish the lawfulness of a proposed construction of a metal framed, polycarbonate clad canopy in the yard area of the site.

LDC - Proposed Basildon
6 Oct 2026 Approved 23 Oct 26/01073/LDCP

12 Kingley Drive Wickford Essex SS12 0EP

To establish the lawfulness of the proposed widening the existing footprint of a single storey rear extension to the full width of the existing house....

LDC - Proposed Basildon
6 Oct 2026 Awaiting decision 26/01072/FULL

5 Fitzroy Close Billericay Essex CM12 0TY

Proposed two storey rear extension, new front door

Full Application Basildon
5 Oct 2026 Awaiting decision 26/01057/FULL

15 Bromfords Close Wickford Essex SS12 0PN

Proposed new annex with en-suite WC and bedroom in rear garden.

Full Application Basildon
5 Oct 2026 Awaiting decision 26/01065/FULL

12 Great Saling Shotgate Wickford Essex SS11 8XH

Erection of a single-storey side extension measuring 3.85 metres in width, with a maximum overall height of 4.00 metres and an eaves height of 2.40 me...

Full Application Basildon
5 Oct 2026 Awaiting decision 26/01064/LDCP

26 Glenside Billericay Essex CM11 2LY

To establish the lawfulness of a single storey flat roofed extension 4m deep and the width of the existing property incorporating 1no roof lantern

LDC - Proposed Basildon
2 Oct 2026 Awaiting decision 26/01062/LDCP

288 Perry Street Billericay Essex CM12 0RB

To establish the lawfulness of a proposed hip to gable loft conversion with rear dormer.

LDC - Proposed Basildon
2 Oct 2026 Awaiting decision 26/01060/FULL

12 Deirdre Close Wickford Essex SS12 0AZ

Garage Conversion

Full Application Basildon
1 Oct 2026 Awaiting decision 26/01103/FULL

13 Seven Acres Wickford Essex SS11 8JA

Replacement of windows and doors.

Full Application Basildon
1 Oct 2026 Awaiting decision 26/01059/FULL

42 Mount Road Wickford Essex SS11 8HL

Erection of an ancillary annexe

Full Application Basildon
30 Sept 2026 Awaiting decision 26/01055/FULL

2 Elgar Close Laindon Basildon Essex SS15 5QT

Alterations to existing detached garage comprising replacement of existing flat roof with a dual-pitched roof.

Full Application Basildon
30 Sept 2026 Refused 19 Oct 26/01050/LDCP

Crystal Broomhills Chase Billericay Essex CM12 9TG

To establish of the lawfulness of the proposed side extension, dormer, and outbuilding.

LDC - Proposed Basildon
30 Sept 2026 Awaiting decision 26/01049/FULL

28 Leasway Wickford Essex SS12 0HF

Demolition of existing rear extension. Construction of a new single-storey rear extension. Removal of the existing rear shed. Enlargement of the exist...

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

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