House extensions in Chichester

Chichester received 599 householder applications in the last 12 months - about 12 a week. Rear extensions and garage works are the most common. Of the 459 decided so far, 428 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 168 applications
Yesterday Pending Consideration 26/02095/FUL

Moonstones Moreton Road Bosham Chichester West Sussex PO18 8LL

2m high timber fencing along north boundary.

Full Application Chichester
23 Oct 2026 Pending Consideration 26/02040/PLD

6 Hillside Road Camelsdale Linchmere Haslemere West Sussex GU27 3RL

Single storey flat roofed rear extension with roof light. Conversion of garage to habitable accommodation replacing existing garage door with window o...

Proposed Lawful Development Chichester
23 Oct 2026 Pending Consideration 26/02249/FUL

Blocks 2, 3 And 4 Springfield University Of Chichester Bishop Otter Campus College Lane Chichester West Sussex PO19 6PF

Replacement of 70 no. single-glazed timber windows and 3 no. external doors to Springfield Blocks 2, 3 and 4 student accommodation blocks with white u...

Full Application Chichester
20 Oct 2026 Pending Consideration 26/02172/LBC

Milland Cottage Petworth Road Wisborough Green Billingshurst West Sussex RH14 0BH

Demolition and rebuild of 2 no. existing extensions, demolition of existing conservatory and erection of a new single-storey extension, together with ...

Listed Building Consent Chichester
20 Oct 2026 Pending Consideration 26/02171/DOM

Milland Cottage Petworth Road Wisborough Green Billingshurst West Sussex RH14 0BH

Demolition and rebuild of 2 no. existing extensions, demolition of existing conservatory and erection of a new single-storey extension, together with ...

Domestic Application (Householder) Chichester
19 Oct 2026 Pending Consideration 26/02255/FUL

Island Cottage Church Road North Mundham Chichester West Sussex PO20 1JG

Change of use from a dwellinghouse (Use Class C3) to a house in multiple occupation comprising four bedsits for a maximum of six occupants (Use Class ...

Full Application Chichester
19 Oct 2026 Pending Consideration 26/02138/DOM

Berkeley Cottage Bosham Lane Bosham Chichester West Sussex PO18 8HP

Replace existing garage and shed with brick and timber cladding garage and garden shed in alternative location.

Domestic Application (Householder) Chichester
19 Oct 2026 Pending Consideration 26/02114/DOM

16 Waterside Drive Donnington Chichester West Sussex PO19 8RN

Replacement of existing rear conservatory with single storey extension. First floor side extension to form new dormer for bedroom and porch with conve...

Domestic Application (Householder) Chichester
16 Oct 2026 Pending Consideration 26/02144/DOM

57 Spitalfield Lane Chichester West Sussex PO19 6SG

Two-storey rear extension (ground floor level previously approved under 26/01744/PA1A).

Domestic Application (Householder) Chichester
16 Oct 2026 Pending Consideration 26/02056/DOM

14 Howard Avenue West Wittering Chichester West Sussex PO20 8EU

Demolish existing rear conservatory, erection of single-storey rear extension, alterations to outbuildings to create habitable accommodation, replacem...

Domestic Application (Householder) Chichester
16 Oct 2026 Pending Consideration 26/02221/PA1A

17 Armadale Road Chichester West Sussex PO19 7NR

Single storey rear extension (a) rear extension - 3.83m (b) maximum height - 2.90m (c) height at eaves - 2.90m.

Prior Approval Larger Home Extension Chichester
15 Oct 2026 Pending Consideration 26/02217/DOM

23 Fishbourne Road East Chichester West Sussex PO19 3HS

New timber frame open car port.

Domestic Application (Householder) Chichester
15 Oct 2026 Pending Consideration 26/02072/DOM

Old Haven The Street Itchenor Chichester West Sussex PO20 7AN

3 no. roof lights to north elevation.

Domestic Application (Householder) Chichester
15 Oct 2026 Pending Consideration 26/02211/LBC

Black Fox Cottage Prinsted Lane Prinsted Emsworth PO10 8HR

Repair boundary walls and associated front garden works.

Listed Building Consent Chichester
15 Oct 2026 Pending Consideration 26/02210/DOM

Black Fox Cottage Prinsted Lane Prinsted Emsworth PO10 8HR

Repair boundary walls and associated front garden works.

Domestic Application (Householder) Chichester
15 Oct 2026 Pending Consideration 26/02208/DOM

10 Mountwood Road Southbourne Emsworth West Sussex PO10 8NA

Single storey rear extension.

Domestic Application (Householder) Chichester
15 Oct 2026 Pending Consideration 26/02170/LBC

17 Washington Street Chichester West Sussex PO19 3BN

Replacement single storey ground floor rear extension and enlarged side extension, enlarged first floor rear extension, new pitched roof in place of e...

Listed Building Consent Chichester
15 Oct 2026 Pending Consideration 26/02169/DOM

17 Washington Street Chichester West Sussex PO19 3BN

Replacement single storey ground floor rear extension and enlarged side extension, enlarged first floor rear extension, new pitched roof in place of e...

Domestic Application (Householder) Chichester
14 Oct 2026 Pending Consideration 26/01809/DOM

15 Nelson Close Tangmere Chichester West Sussex PO20 2FW

First floor extension.

Domestic Application (Householder) Chichester
14 Oct 2026 Pending Consideration 26/02135/DOM

Saxons The Street Boxgrove Chichester West Sussex PO18 0EB

Alterations to existing external openings on ground floor (west elevation) and first floor (north elevation). Replacement of all existing fenestration...

Domestic Application (Householder) Chichester
13 Oct 2026 Pending Consideration 26/01992/DOM

12 Fraser Close Selsey Chichester West Sussex PO20 0DY

Single storey extensions to side and rear and alterations.

Domestic Application (Householder) Chichester
13 Oct 2026 Pending Consideration 26/01777/DOM

The Dairy The Street Plaistow Billingshurst West Sussex RH14 0NS

Proposed two storey rear extension and single storey side extension.

Domestic Application (Householder) Chichester
12 Oct 2026 Pending Consideration 26/02062/DOM

Rithe House Harbour Way Chidham Chichester West Sussex PO18 8TG

Replacement greenhouse.

Domestic Application (Householder) Chichester
12 Oct 2026 Pending Consideration 26/01946/PLD

35 St Leodegars Way Hunston Chichester West Sussex PO20 1PE

Single storey rear extension with pitched roof and skylights.

Proposed Lawful Development Chichester
12 Oct 2026 Pending Consideration 26/02121/DOM

3 Second Avenue Bracklesham Chichester West Sussex PO20 8HL

Single-storey rear extension and loft extension, rear dormer and associated roof works including raised ridge height, following the removal of existin...

Domestic Application (Householder) Chichester
12 Oct 2026 Pending Consideration 26/02115/DOM

The Sidings Elms Lane West Wittering Chichester West Sussex PO20 8LW

Alterations to detached garage outbuilding to create ancillary annexe accommodation with replacement door on north elevation and 1 no. additional wind...

Domestic Application (Householder) Chichester
7 Oct 2026 Pending Consideration 26/01719/DOM

27 Orchard Avenue Chichester West Sussex PO19 3BG

Proposed single storey rear extension and loft extension with roof lights, rear dormer and solar panel.

Domestic Application (Householder) Chichester
7 Oct 2026 Pending Decision 26/01717/DOM

9 Orchard Mews Nutbourne Chichester West Sussex PO18 8HE

Side extension to form new garage, and new rear conservatory and removal of existing shed.

Domestic Application (Householder) Chichester
7 Oct 2026 Pending Consideration 26/02153/DOM

34 Beech Avenue Chichester West Sussex PO19 3DS

Proposed single and two storey extension with associated external works and new vehicular access.

Domestic Application (Householder) Chichester
7 Oct 2026 Pending Consideration 26/02055/DOM

1 Canute Close Bracklesham Chichester West Sussex PO20 8FD

Single-storey extension to front elevation.

Domestic Application (Householder) Chichester
6 Oct 2026 Pending Consideration 26/01581/DOM

Anchor Cottage Itchenor Road West Itchenor Chichester West Sussex PO20 7AB

Single storey extension.

Domestic Application (Householder) Chichester
6 Oct 2026 Pending Consideration 26/01847/DOM

5 Southover Way Hunston Chichester West Sussex PO20 1NY

Retrospective change of use of garden room to residential annexe ancillary to the main dwelling.

Domestic Application (Householder) Chichester
6 Oct 2026 Pending Consideration 26/02025/FUL

Flats 11-22 Lancastrian Grange Tower Street Chichester West Sussex PO19 1QL

Replace existing front doors, frames and glazed panels with new alumnium doors on west elevation of block 11-16 and 17-22.

Full Application Chichester
5 Oct 2026 Pending Consideration 26/02116/FUL

Detached Annexe Durbans Road Wisborough Green Billingshurst West Sussex RH14 0DQ

Conversion, extension, and alteration of existing detached annexe to create a separate dwellinghouse.

Full Application Chichester
5 Oct 2026 Pending Consideration 26/02042/DOM

Summer Lodge Walton Lane Bosham Chichester West Sussex PO18 8QF

Single storey side and rear extension and new dormer windows.

Domestic Application (Householder) Chichester
2 Oct 2026 Pending Consideration 26/02098/PLD

17 Exeter Road Chichester West Sussex PO19 5EF

Single storey rear extension.

Proposed Lawful Development Chichester
2 Oct 2026 Pending Consideration 26/02099/LBC

1 Tower Street Chichester West Sussex PO19 1QH

Creation of additional en-suite, removal of modern partition walls, creation of wc/utility room and associated works, new kitchen floor and steps over...

Listed Building Consent Chichester
1 Oct 2026 Pending Consideration 26/02096/PLD

Little Orchard The Triangle Westlands Lane Birdham Chichester West Sussex PO20 7HG

Proposed lawful development certificate for new cladding and render to existing brickwork elevations and PV panels.

Proposed Lawful Development Chichester
1 Oct 2026 Pending Consideration 26/02092/FUL

Unit 2 Vinnetrow Farm Business Centre Vinnetrow Road Runcton West Sussex PO20 1QH

Change of use from B8 (Storage) to Class E, together with external alterations to the building including replacement roof with solar panels and insert...

Full Application Chichester
1 Oct 2026 Pending Consideration 26/01938/DOM

Flint Barn Southwood Farm Shore Road Bosham Chichester West Sussex PO18 8QL

The refurbishment of the existing garage with construction of South-facing extension and a roof lift.

Domestic Application (Householder) Chichester
1 Oct 2026 Pending Consideration 26/02006/FUL

The Brambles Aldingbourne Drive Crockerhill Boxgrove Chichester West Sussex PO18 0SD

Change use of existing barns to provide ancillary residential accommodation and studio in connection with Crockerhill House with internal and external...

Full Application Chichester
30 Sept 2026 Pending Consideration 26/02090/DOM

97 Maplehurst Road Chichester West Sussex PO19 6RP

Single-storey front extension to enlarge and replace the existing porch, including works to provide a level threshold to assist access.

Domestic Application (Householder) Chichester
30 Sept 2026 Pending Consideration 26/02085/PLD

65 Cedar Drive Chichester West Sussex PO19 3EJ

Proposed lawful development - removal of chimney, 1 no. dormer window on rear elevation. Rear extension to existing attached garage . Rooflights on th...

Proposed Lawful Development Chichester
29 Sept 2026 Pending Consideration 26/02084/PLD

2 Meadowside Walk Tangmere Chichester West Sussex PO20 2WR

Single storey rear extension.

Proposed Lawful Development Chichester
29 Sept 2026 Pending Consideration 26/02076/DOM

Kingfisher Cottage Westlands Lane Birdham Chichester West Sussex PO20 7HH

Proposed rendering of the existing dwelling.

Domestic Application (Householder) Chichester
29 Sept 2026 Pending Consideration 26/01834/DOM

18 Wellington Gardens Selsey Chichester West Sussex PO20 0EE

Demolish existing garage and replace with detached annexe for ancillary use associated with 18 Wellington Gardens.

Domestic Application (Householder) Chichester
28 Sept 2026 Pending Consideration 26/02007/LBC

The Brambles Aldingbourne Drive Crockerhill Boxgrove Chichester West Sussex PO18 0SD

Change use of existing barns to provide ancillary residential accommodation and studio in connection with Crockerhill House with internal and external...

Listed Building Consent Chichester
28 Sept 2026 Pending Consideration 26/01704/LBC

48 Cavendish Street Chichester West Sussex PO19 3BS

Proposed replacement and enlargement of basement window.

Listed Building Consent Chichester
28 Sept 2026 Pending Decision 26/01848/DOM

11 Montagu Road Chichester West Sussex PO19 3NS

Installation of a level access platform and wheelchair lift with alterations to fenestration on front elevation including relocation of front door.

Domestic Application (Householder) Chichester
28 Sept 2026 Pending Consideration 26/01771/DOM

3 Seal Square Selsey Chichester West Sussex PO20 0HP

Replacement of existing car port with single-storey side extension.

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

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