House extensions in Dover

Dover received 457 householder applications in the last 12 months - about 9 a week. Rear extensions and garage works are the most common. Of the 326 decided so far, 302 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 147 applications
Today Awaiting decision 26/00995

52 Mayfield Avenue Dover CT16 2PJ

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

Dover
Today Awaiting decision 26/00616

Carnation 3 Poplar Drive Elvington CT15 4NR

Erection on an outbuilding

Dover
Today Awaiting decision 26/00613

Carnation 3 Poplar Drive Elvington CT15 4NR

Erection of a two storey side extension (existing side garage demolished)

Dover
Yesterday Awaiting decision 26/00980

2 Haven Bank Sandwich Kent CT13 9QE

Erection of a single storey rear extension

Dover
24 Oct 2026 Awaiting decision 26/00991

Thornton Farm Thornton Road Tilmanstone Deal CT14 0JN

Erection of an outbuilding for use as a home office

Dover
24 Oct 2026 Awaiting decision 26/00990

177 Downs Road Walmer CT14 7TF

Certificate of lawfulness (proposed) for the erection of a rear extension

Dover
24 Oct 2026 Awaiting decision 26/00988

Ground Floor Flat 14 Victoria Park Dover CT16 1QS

Creation of new opening & removal of stud partition wall to lower ground floor; reinstatement of internal staircase between lower ground & ground floo...

Dover
24 Oct 2026 Awaiting decision 26/00987

3 Water Street Deal CT14 6DJ

Replacement door and widows to front elevation, replacement roof with alterations to door/window to single storey rear extension and internal alterati...

Dover
23 Oct 2026 Awaiting decision 26/00986

Long Forgan 11 Salisbury Road St Margarets Bay CT15 6DL

Erection of a single storey side extension, raised roof ridge, insertion of 3 front dormer windows with balcony/balustrade, a rear dormer window to fa...

Dover
23 Oct 2026 Awaiting decision BNG/24/00623

St Albans House 12 The Grove Deal CT14 9TL

Discharge of Biodiversity Gain Plan pursuant to application 24/00623 - Change of use to 9 self-contained flats, erection of first floor side, single s...

BNG Conditions Dover
22 Oct 2026 Awaiting decision 26/00985

30 Grace Meadow Whitfield CT16 3HA

Erection of a single storey rear extension and raised decking with balustrade

Full Planning Permission Dover
21 Oct 2026 Awaiting decision 26/00977

Shatterling Cottage Roman Road Shatterling CT3 1JR

Erection of first floor rear extension

Full Planning Permission Dover
21 Oct 2026 Awaiting decision 26/00974

The Cottage Knotts Lane St Margarets At Cliffe CT15 6BH

Certificate of lawfulness (proposed) for the creation of access and hardstanding

Certificate of Lawful Proposed Use Dover
20 Oct 2026 Awaiting decision 26/00972

The Cottage St Monicas Road Kingsdown CT14 8AZ

Certificate of lawfulness (proposed) for the erection of a rear infill extension

Certificate of Lawful Proposed Use Dover
20 Oct 2026 Awaiting decision 26/00971

Cruise Terminal 1 Western Docks Dover

Replacement of existing boarding bridge, including new structural foundations, the replacement of existing external door and sidelights and interface ...

Listed Building Consent Dover
20 Oct 2026 Awaiting decision 26/00970

34 Chequer Lane Ash CT3 2AY

Erection of a single-storey rear extension

Full Planning Permission Dover
20 Oct 2026 Awaiting decision 26/00964

Moorlands Kingsdown Road Walmer CT14 8AR

Erection of a single storey extension (existing conservatory to be demolished)

Full Planning Permission Dover
20 Oct 2026 Awaiting decision 26/00898

2 Granville Road Walmer CT14 7LU

Formation of a vehicular access

Full Planning Permission Dover
20 Oct 2026 Awaiting decision 26/00842

4 Halliday Drive Walmer Deal CT14 7AX

Insert 1no external wood burner flue terminal to front roof slope

Full Planning Permission Dover
17 Oct 2026 Awaiting decision 18/01283/D

Kingdom Pre School Graceworks House Willingdon Road White Cliffs Business Park Whitfield CT16 2JX

Non material minor amendment to approved application 18/01283 to change the description to: Erection of a 4 storey multi use 'campus' building, a mult...

Non Material Minor Amendment Dover
17 Oct 2026 Awaiting decision 26/00966

The Old Farmhouse Hammill Road Woodnesborough CT13 0EQ

Erection of a two storey rear extension and new roof to existing (existing single storey rear elevation to be demolished)

Full Planning Permission Dover
17 Oct 2026 Awaiting decision 26/00965

Melville Coxhill Shepherdswell CT15 7NN

Creation of front off road parking and retaining wall

Full Planning Permission Dover
16 Oct 2026 Awaiting decision 26/00932

10 Strand Street Sandwich CT13 9DX

Part repointing of front elevation brickwork

Listed Building Consent Dover
16 Oct 2026 Awaiting decision 26/00962

Equestrian Land And Stables Long Lane Stables Long Lane Shepherdswell CT15 7LX

Erection of a detached building for use as stables, tractor store, storage and office for working from home together with extension for domestic kenne...

Full Planning Permission Dover
16 Oct 2026 Awaiting decision 26/00960

Vision The Leas Kingsdown CT14 8ER

Erection of a garden room and siting of a container (part retrospective)

Full Planning Permission Dover
16 Oct 2026 Awaiting decision 26/00938

Studdal Church Hall Downs Road East Studdal CT15 5BX

Replacement tiles, installation of weather boarding to elevations and alterations to porch

Full Planning Permission Dover
16 Oct 2026 Awaiting decision 26/00416

63 The Street Ash CT3 2EN

Re-roofing works to include the introduction of a breathable membrane to two storey rear addition slate roof.

Listed Building Consent Dover
15 Oct 2026 Awaiting decision 26/00961

Skylark Cottage Roman Road Maydensole Dover CT15 5HR

Erection of a single storey rear extension

Full Planning Permission Dover
15 Oct 2026 Awaiting decision 26/00917

32 Biggin Street Dover Kent CT16 1BU

Change of use to a community centre church space (Use class F1(f) and class E(a)) Insertion of rear ground and first floor windows

Full Planning Permission Dover
15 Oct 2026 Awaiting decision 26/00891

2 Fleet Farm Cottages Richborough Road Ash CT3 2NJ

Formation of a vehicular access, access track, parking/turning area and fencing (3 trees to be removed)

Full Planning Permission Dover
14 Oct 2026 Awaiting decision 26/00955

118 Markland Road Dover CT17 9NJ

Creation of extended driveway with associated excavation and retaining walls

Full Planning Permission Dover
14 Oct 2026 Awaiting decision 26/00954

8 South Avenue Snowdown Dover Kent CT15 4JW

Erection of single storey rear extension (Existing conservatory to be demolished)

Full Planning Permission Dover
13 Oct 2026 Awaiting decision 26/00948

Fitzwalter Arms The Street Goodnestone CT3 1PJ

Re-roofing works, to include the introduction of counter battens & breathable membrane; reinstatement of clay chimney pots.

Listed Building Consent Dover
13 Oct 2026 Awaiting decision 26/00524

Pembroke House Wass Drove Westmarsh CT3 2LW

Change of use of land to garden and erection of a garage/summer house

Full Planning Permission Dover
10 Oct 2026 Awaiting decision 26/00947

42 Coombe Valley Road Dover CT17 0EX

Conversion of a dwelling into 2 self-contained flats, external alterations to single storey rear extension and internal alterations

Full Planning Permission Dover
10 Oct 2026 Awaiting decision 26/00944

71 Chequer Lane Ash CT3 2AX

Erection of single storey side extension (existing garage and single story rear extension to be demolished)

Full Planning Permission Dover
8 Oct 2026 Awaiting decision 26/00930

Vicarage Farm Abbey Top West Langdon Dover CT15 5HE

Erection of a single storey rear extension and alterations to the first floor balcony (existing greenhouse structure to be demolished)

Full Planning Permission Dover
8 Oct 2026 Awaiting decision 26/00834

4 Halliday Drive Walmer CT14 7AX

Insert 1no external wood burner flue terminal to front roof slope

Listed Building Consent Dover
7 Oct 2026 Awaiting decision 26/00520

20 The Close Lydden Dover CT15 7LD

Erection of a rear extension, which would extend beyond the rear wall of the original house by 3.60m, for which the maximum height would be 3m, and fo...

General Permitted Development Extensions Dover
3 Oct 2026 Awaiting decision 26/00929

The Wedge 41 Alexandra Road Capel Le Ferne CT18 7LS

Erection of a single storey side extension (existing garage and side extension to be demolished)

Full Planning Permission Dover
3 Oct 2026 Awaiting decision 26/00916

38 Coombe Valley Road Dover CT17 0EX

Reducing the window openings on side elevation, alterations/replacement windows/doors, insertion of 4 dormer windows and 4 rooflights

Full Planning Permission Dover
2 Oct 2026 Awaiting decision 26/00927

Kentlands Princes Drive Sandwich Bay Sandwich CT13 9PZ

Main House works: Removal of existing infill panels & replacement with new. Replacement of glazing (Loggia). Replacement of fittings & cladding of ext...

Listed Building Consent Dover
2 Oct 2026 Awaiting decision 26/00926

Kentlands Princes Drive Sandwich Bay Sandwich CT13 9PZ

Facade timber repairs and replacement of cement-rendered masonry infill panels with lime-rendered wood fibreboard; Alterations to loggia fenestration,...

Full Planning Permission Dover
2 Oct 2026 Awaiting decision 26/00922

21 Knights Templars Dover CT17 9DX

Erection of single storey side extension

Full Planning Permission Dover
2 Oct 2026 Awaiting decision 26/00921

20 Knights Templars Dover CT17 9DX

Erection of single storey side extension

Full Planning Permission Dover
2 Oct 2026 Awaiting decision 26/00885

105 College Road Deal Kent CT14 6BU

Certificate of Lawfulness (Proposed) for the erection of a pottery studio outbuilding

Certificate of Lawful Proposed Use Dover
1 Oct 2026 Awaiting decision 26/00912

3 The Butchery Sandwich CT13 9DL

Erection of a single storey rear link extension incorporating 1no rooflight and conservatory extension. Replace rear window with door access.

Listed Building Consent Dover
1 Oct 2026 Awaiting decision 26/00911

3 The Butchery Sandwich CT13 9DL

Erection of a single storey rear link extension with rooflight and side conservatory (existing shed to be demolished)

Full Planning Permission Dover
1 Oct 2026 Awaiting decision 26/00918

24 Redsull Avenue Deal CT14 9HU

Erection of a first floor rear extension

Full Planning Permission Dover
30 Sept 2026 Awaiting decision 26/00910

1 Allenby Avenue Deal CT14 9AZ

Erection of a single storey side extension (existing side extension and shed to be demolished)

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

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