House extensions in Chichester

Chichester received 452 householder applications in the last 12 months - about 9 a week. Rear extensions and garage works are the most common. Of the 330 decided so far, 307 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 167 applications
2 days ago Pending 26/01920/DOM

Salterns Lock Lane Birdham Chichester West Sussex PO20 7BB

Demolition of an existing conservatory and lean-to. Construction of a single storey rear and two storey front extension, air con unit concealed to sid...

Domestic Application (Householder) Chichester
8 Sept 2026 Pending 26/01903/DOM

22 Chapel Street Chichester West Sussex PO19 1BU

Fenestration changes to rear ground floor windows and associated works including raised external patio area. Replacement garden gate and new boundary ...

Domestic Application (Householder) Chichester
7 Sept 2026 Pending 26/01625/FUL

St Richards Hospital Spitalfield Lane Chichester West Sussex PO19 6SE

Extension to existing main hospital building with temporary mobile units, a link corridor and lift to create 2 no. theatres and associated accommodati...

Full Application Chichester
7 Sept 2026 Pending 26/01370/DOM

Delling Lea Delling Lane Bosham Chichester West Sussex PO18 8NR

Replacement of tiled gable roof with a flat one, for the balcony to the rear elevation.

Domestic Application (Householder) Chichester
3 Sept 2026 Pending Consideration 26/01921/DOM

114 Second Avenue Batchmere Chichester West Sussex PO20 7LF

Demolition of existing outbuilding and replace with combined store and ancillary annexe.

Domestic Application (Householder) Chichester
2 Sept 2026 Pending 26/01790/DOM

28 Brandy Hole Lane Chichester West Sussex PO19 5RY

Two-storey rear extension with pitched roofs, together with a part single-storey rear extension incorporating 3 no. rooflights.

Domestic Application (Householder) Chichester
2 Sept 2026 Pending 26/01912/FUL

55 - 56 North Street Chichester West Sussex PO19 1NQ

Proposed conversion of part of ground floor and upper floors to a single dwellinghouse, and retention of the majority of the ground floor as Use Class...

Full Application Chichester
2 Sept 2026 Pending 26/01828/DOM

25 Lavant Road Chichester West Sussex PO19 5RA

Demolition of existing attached garage. Single storey rear and side extension including verandah to rear with dummy pitched roof. Removal of north chi...

Domestic Application (Householder) Chichester
2 Sept 2026 Pending 26/01361/DOM

33 Henry Close Chichester West Sussex PO19 7HQ

Single storey side extension, new dormer to front roof slope and conversion of car-port and integral garage to habitable living space.

Domestic Application (Householder) Chichester
1 Sept 2026 Pending 26/01727/DOM

4 Conifer Drive Hambrook Chichester West Sussex PO18 8TU

Proposed single storey rear kitchen extension with mono-pitched roof and 3 no. velux roof lights.

Domestic Application (Householder) Chichester
1 Sept 2026 Pending 26/01855/PLD

1A Park Lane Selsey Chichester West Sussex PO20 0HD

Rear dormer and 3 no. front rooflights.

Proposed Lawful Development Chichester
27 Aug 2026 Pending Consideration 26/01645/FUL

76 - 77 North Street Chichester West Sussex PO19 1LQ

Change of use of ancillary upper floors Use Class E storage and back of house space to 1 no. residential unit, rear dormer and formation of rear roof ...

Full Application Chichester
26 Aug 2026 Pending Consideration 26/01793/FUL

The Atrium Stockbridge Road Chichester West Sussex PO19 8SQ

Proposed roof extension forming 5 no. new flats/apartments, and associated works with private amenity space and enabling internal alterations at secon...

Full Application Chichester
26 Aug 2026 Pending Consideration 26/01814/DOM

14 The Avenue Chichester West Sussex PO19 5PU

1 no. garden studio.

Domestic Application (Householder) Chichester
26 Aug 2026 Pending Consideration 26/01872/DOM

The Old Parsonage Church Farm Lane Sidlesham Chichester West Sussex PO20 7RE

Replacement garage.

Domestic Application (Householder) Chichester
26 Aug 2026 Pending Consideration 26/01832/DOM

Brimfast Cottage Brimfast Lane Sidlesham Common Chichester West Sussex PO20 7PZ

Single storey rear extension and 2 storey side extension. Introduction of balcony and dormer to rear. Detached annex.

Domestic Application (Householder) Chichester
25 Aug 2026 Pending Consideration 26/01308/DOM

Double Barn Clay Lane Fishbourne Chichester West Sussex PO18 8AB

Erection of 1 no. outbuilding for use as home office space.

Domestic Application (Householder) Chichester
25 Aug 2026 Pending Consideration 26/01806/DOM

Kingfisher Cottage Westlands Lane Birdham Chichester West Sussex PO20 7HH

Proposed single/two storey rear extension, new porch, replacement of existing windows and doors, new boundary wall, revised vehicle entrance, demoliti...

Domestic Application (Householder) Chichester
21 Aug 2026 Pending Consideration 26/01843/DOM

Windsong Itchenor Road West Itchenor Chichester West Sussex PO20 7DA

Single storey rear extension.

Domestic Application (Householder) Chichester
21 Aug 2026 Pending Consideration 26/01776/DOM

Routledge Cottage East Street Westbourne Emsworth West Sussex PO10 8SE

Replace post and rail rear fence on west boundary with handcrafted woven fence.

Domestic Application (Householder) Chichester
21 Aug 2026 Pending Consideration 26/00956/DOM

Peacehaven 47 The Crescent West Wittering Chichester West Sussex PO20 8EE

Single storey front porch.

Domestic Application (Householder) Chichester
20 Aug 2026 Pending Consideration 26/01836/LBC

Galleon House 63 High Street Bosham Chichester West Sussex PO18 8LT

Restoration works and alterations including replacement of single glazing with slimline heritage double glazing.

Listed Building Consent Chichester
19 Aug 2026 Pending Consideration 26/01503/DOM

5 High Street Oving Chichester West Sussex PO20 2DD

Retrospective (Section 73a) application for conversion of existing outbuilding including alteration to provide ancillary accommodation.

Domestic Application (Householder) Chichester
18 Aug 2026 Pending Consideration 26/01644/DOM

138 Highfield Lane Oving Chichester West Sussex PO20 2NN

Proposed removal of existing conservatory, retaining existing footprint. Build new walls and roof to create single storey rear garden room.

Domestic Application (Householder) Chichester
18 Aug 2026 Pending Consideration 26/01631/DOM

Penzance House Smugglers Lane Bosham Chichester West Sussex PO18 8QW

Single-storey extensions and glazed canopy to rear elevation and 1 no. additional ground floor window to west elevation.

Chichester
17 Aug 2026 Pending Consideration 26/01767/DOM

30 Oliver Whitby Road Chichester West Sussex PO19 3LW

Proposed first floor side extension, rear 2 storey extension, garden room for ancillary use.

Domestic Application (Householder) Chichester
14 Aug 2026 Pending Consideration 26/01796/DOM

29 Marine Drive West Wittering Chichester West Sussex PO20 8HE

Enlargement of approved south facing balcony, including balustrade and screening.

Domestic Application (Householder) Chichester
14 Aug 2026 Pending Consideration 26/01794/FUL

Arnolds Garage Camelsdale Road Camelsdale Haslemere West Sussex GU27 3RB

Extension of existing MOT bay to rear elevation.

Full Application Chichester
14 Aug 2026 Pending 26/01791/LBC

St Marys Hospital St Martins Square Chichester West Sussex PO19 1NR

Fire safety works to cylinder, service cupboards and entrance doors to flats.

Listed Building Consent Chichester
13 Aug 2026 Pending Consideration 26/01636/DOM

Oakfield Plaistow Road Ifold Loxwood Billingshurst West Sussex RH14 0TU

Proposed two storey extension with new roof design.

Domestic Application (Householder) Chichester
13 Aug 2026 Pending Consideration 26/01733/DOM

Redfern House Bosham Lane Bosham Chichester West Sussex PO18 8HP

New single storey side extension and single storey rear extension. Landscaping to front of house and replacement boundary fence. (Variation of conditi...

Chichester
13 Aug 2026 Pending Consideration 26/01786/DOM

17 Elmstead Park Road West Wittering Chichester West Sussex PO20 8NQ

Proposed single-storey side and rear extensions.

Domestic Application (Householder) Chichester
13 Aug 2026 Pending Consideration 26/01545/DOM

Mayfield Prinsted Lane Prinsted Emsworth PO10 8HS

Demolition of a small section of incongruous front boundary wall to the Prinsted Lane frontage. Construction of a new replacement front boundary wall,...

Domestic Application (Householder) Chichester
12 Aug 2026 Pending Consideration 26/01725/DOM

30 Grafton Road Selsey Chichester West Sussex PO20 0JE

First floor extension.

Domestic Application (Householder) Chichester
11 Aug 2026 Pending Consideration 26/01553/DOM

6 Bourne Close Fishbourne Chichester West Sussex PO19 3QJ

Demolish existing garage and rear extension, erection of side and rear extension with flat roof rear dormer and new solar array.

Domestic Application (Householder) Chichester
11 Aug 2026 Pending Consideration 26/01700/FUL

Jade Hair Salon 79 Townfield Kirdford Billingshurst West Sussex RH14 0NA

Alterations to fenestration of existing ground floor which includes installation of new windows and doors.

Full Application Chichester
11 Aug 2026 Pending Consideration 26/01638/LBC

Leat Cottage Bosham Lane Bosham Chichester West Sussex PO18 8HL

Demolition of outbuilding and modern flat roofed single-storey extensions on north and east elevations including removal of boiler room chimney. Erect...

Listed Building Consent Chichester
11 Aug 2026 Pending Consideration 26/01637/DOM

Leat Cottage Bosham Lane Bosham Chichester West Sussex PO18 8HL

Demolition of outbuilding and modern flat roofed single-storey extensions on north and east elevations including removal of boiler room chimney. Erect...

Domestic Application (Householder) Chichester
11 Aug 2026 Pending Consideration 26/01769/DOM

Spinnaker East Bracklesham Drive Bracklesham Bay Chichester West Sussex PO20 8JW

Two-storey front extension, infill side west extension. Alterations to fenestration, external materials, and driveway.

Domestic Application (Householder) Chichester
11 Aug 2026 Pending Consideration 26/01735/DOM

Lidney Croft Batchmere Road Almodington Earnley Chichester West Sussex PO20 7LH

Additional garage built to side of existing garage.

Domestic Application (Householder) Chichester
11 Aug 2026 Pending Consideration 26/01754/DOM

Pebbles East Bracklesham Drive Bracklesham Bay Chichester West Sussex PO20 8JW

Erection of an outbuilding (home office).

Domestic Application (Householder) Chichester
11 Aug 2026 Pending Consideration 26/01595/FUL

Unit 5 Premier Business Park Birdham Road Appledram Chichester West Sussex PO20 7BU

Partial demolition and extension of the existing commercial unit, addition of 1 no. warehouse door and 2 no. roof lights.

Full Application Chichester
10 Aug 2026 Pending Consideration 26/01663/DOM

14 The Avenue Chichester West Sussex PO19 5PU

Two single storey rear extensions to each wing.

Domestic Application (Householder) Chichester
10 Aug 2026 Pending Consideration 26/01764/DOM

The Beech House 14 Brandy Hole Lane Chichester West Sussex PO19 5RY

Demolition of existing carport and addition of Annexe adjoining the existing house via link. New door to link buidling.

Domestic Application (Householder) Chichester
10 Aug 2026 Pending Consideration 26/01484/DOM

128 Gainsborough Drive Selsey Chichester West Sussex PO20 0HH

Ground floor rear/side extension.

Domestic Application (Householder) Chichester
10 Aug 2026 Pending Consideration 26/01760/DOM

The Snipe Lock Lane Birdham Chichester West Sussex PO20 7BB

Re-pitch of garage roof with new external staircase for access to attic accommodation.

Domestic Application (Householder) Chichester
7 Aug 2026 Pending Consideration 26/01646/LBC

76 - 77 North Street Chichester West Sussex PO19 1LQ

Change of use of ancillary upper floors Use Class E storage and back of house space to 1 no. residential unit, rear dormer and formation of rear roof ...

Listed Building Consent Chichester
7 Aug 2026 Pending Consideration 26/01711/DOM

8 Chandlers Reach Itchenor West Itchenor Chichester West Sussex PO20 7BD

Replacement of 4 no. windows to match existing.

Domestic Application (Householder) Chichester
7 Aug 2026 Pending Consideration 26/01752/FUL

Kipson Bank Farm Selsey Road Hunston Chichester West Sussex PO20 1AU

Change use of barns to 1 no. dwelling with open garage and workshop, alongside installation of package treatment plant. (Variation of condition 2 of p...

Full Application Chichester
7 Aug 2026 Pending Consideration 26/01127/LBC

Hotter 86 - 87 North Street Chichester West Sussex PO19 1LQ

Repairs to front facade. Works include external decorations, minor repairs to render and timber elements.

Listed Building Consent 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.