House extensions in Dover

Dover received 369 householder applications in the last 12 months - about 7 a week. Rear extensions and garage works are the most common. Of the 227 decided so far, 207 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 131 applications
2 days ago Awaiting decision 26/00755

Caspells Barn Land To The East Of Felderland House Felderland Lane Worth Kent

Change of use and conversion of former commercial building to 2 dwellinghouses with the erection of detached garages and associated boundary walls, ga...

Full Planning Permission Dover
2 days ago Awaiting decision 26/00836

Bosuns Cottage 15 Oak Street Deal CT14 6JG

Roof works to include: removal of fibreglass coating & rendering of parapet wall, new lead capping to parapet; re-rendering of chimney stacks; replace...

Listed Building Consent Dover
2 days ago Awaiting decision 26/00845

Sunny Bank 48 Cowper Road River CT17 0PJ

Certificate of Lawfulness (proposed) for the siting of a mobile home for ancillary use

Certificate of Lawful Proposed Use Dover
8 Sept 2026 Awaiting decision 26/00828

2 Coxhill Gardens River CT17 0PY

Erection of two storey side extension with integrated garage, single storey rear extension, solar panels to roof, landscaping, extension to vehicular ...

Full Planning Permission Dover
8 Sept 2026 Awaiting decision 26/00837

145 St Davids Avenue Dover CT17 9HH

Certificate of Lawfulness (proposed) for the insertion of a rear dormer window and rooflights to front roofslope

Certificate of Lawful Proposed Use Dover
5 Sept 2026 Awaiting decision 26/00835

Bosuns Cottage 15 Oak Street Deal CT14 6JG

Roof works to include: removal of fibreglass coating & rendering of parapet wall, new lead capping to parapet; re-rendering of chimney stacks; replace...

Full Planning Permission Dover
5 Sept 2026 Awaiting decision 26/00833

Bartlemas 7 Dover Road Sandwich CT13 0BH

Demolition and rebuild of approx. 7m of listed boundary wall

Listed Building Consent Dover
5 Sept 2026 Awaiting decision 26/00826

Manwood Lodge Sandown Road Sandwich CT13 9LA

Erection of retaining walls and widening of the existing driveway

Full Planning Permission Dover
4 Sept 2026 Awaiting decision 26/00822

St Hylda 16 Wigmore Lane Eythorne CT15 4AW

Erection of a two storey side extension, roof extension and extension to existing vehicular access

Full Planning Permission Dover
4 Sept 2026 Awaiting decision 26/00827

Play Padel Club Tides Leisure Centre Park Avenue Deal CT14 9UU

Siting of a container ancillary to the padel club

Full Planning Permission Dover
3 Sept 2026 Awaiting decision 26/00678

Former Royal Marines South Barracks Canada Road Walmer

Part repointing external face of the Boundary wall. Remove existing asbestos roof to the Pistol range and replace with Cement board panels.

Listed Building Consent Dover
3 Sept 2026 Awaiting decision 26/00809

Yew Tree Cottage Barnsole Road Woodnesborough CT13 0EW

Insertion of a side dormer window to facilitate a loft conversion and rooflights

Full Planning Permission Dover
3 Sept 2026 Awaiting decision 26/00825

76 Mongeham Road Great Mongeham Deal CT14 9PD

Certificate of lawfulness (Proposed) for the erection of single storey rear extension and internal alterations

Certificate of Lawful Proposed Use Dover
2 Sept 2026 Awaiting decision 26/00745

Porch House The Street Denton CT4 6QZ

Proposed works to house include: demolition of porch to S elevation, replacement of 4no. windows to S & W elevations, replacement of door with window ...

Listed Building Consent Dover
29 Aug 2026 Awaiting decision 26/00700

Ship House 59 The Street Ash CT3 2EN

Internal works: Removal of paint & repointing works to basement; Removal of existing tanking & replacement with lime plaster, introduction of a helica...

Listed Building Consent Dover
29 Aug 2026 Awaiting decision 26/00810

8 Sheffield Gardens Walmer CT14 7UH

Erection of single storey rear extension

Full Planning Permission Dover
29 Aug 2026 Awaiting decision 26/00803

Bay Tree Cottage High Street St Margarets At Cliffe CT15 6AX

Replacement windows

Full Planning Permission Dover
29 Aug 2026 Awaiting decision 26/00806

Corner Cottage Upper Street Kingsdown Deal CT14 8BJ

Replacement fence and gate

Full Planning Permission Dover
28 Aug 2026 Awaiting decision 26/00610

Great Weddington Weddington Lane Ash CT3 2AR

Enlarged opening formed between ground floor kitchen and dining room with the insertion of folding doors. Replace cellar door with six panelled door r...

Listed Building Consent Dover
28 Aug 2026 Awaiting decision 26/00716

Haven House 29 Harnet Street Sandwich CT13 9ES

Structural repair to garden wall. Works include: Insertion of pattress plate ties to wall with tension rods and 3no restraint post connections on foun...

Listed Building Consent Dover
27 Aug 2026 Awaiting decision 26/00690

Peacock House Hull Place Sholden CT14 0AQ

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

Full Planning Permission Dover
27 Aug 2026 Awaiting decision 26/00775

The Barn Coombe Lane Woodnesborough CT13 0PW

Erection of a single storey extension, link extension, solar panels, raised decking/steps, driveway and associated parking

Full Planning Permission Dover
27 Aug 2026 Awaiting decision 26/00783

Hawksview Meadow Grams Road Walmer CT14 7PP

Erection of a single storey side extension with 2 rooflights

Full Planning Permission Dover
25 Aug 2026 Awaiting decision 26/00792

49 St Leonards Road Deal CT14 9AU

Erection of a carport, replace rear bay window with French doors and replacement roof tiles

Full Planning Permission Dover
25 Aug 2026 Awaiting decision 26/00785

Vargas House 9 Farrier Street Deal Kent CT14 6JR

Replacement basement floor, wall and ceiling linings including the introduction of tanking system. Replacement rear sliding door. Replacement front el...

Listed Building Consent Dover
25 Aug 2026 Awaiting decision 26/00784

Vargas House 9 Farrier Street Deal Kent CT14 6JR

Replacement of basement window

Full Planning Permission Dover
25 Aug 2026 Awaiting decision 26/00789

Driftwood 78 Wellington Parade Walmer CT14 8AB

Erection of a garage with solar panels to roof (existing garage to be demolished)

Full Planning Permission Dover
24 Aug 2026 Awaiting decision 26/00787

15 Widred Road Dover CT17 0BT

Certificate of Lawfulness (proposed) for the erection of rear/side dormer windows

Certificate of Lawful Proposed Use Dover
24 Aug 2026 Awaiting decision 26/00727

84 Strand Street Sandwich Kent CT13 9HX

Erection of detached garage

Full Planning Permission Dover
22 Aug 2026 Awaiting decision 26/00780

Greenfields Agester Lane Denton Canterbury Kent CT4 6NP

Erection of front porch, rear and first-floor extensions, replacement garage and outbuilding (existing outbuildings to be demolished)

Full Planning Permission Dover
22 Aug 2026 Awaiting decision 26/00770

51 Victoria Road Capel Le Ferne Folkestone CT18 7LT

Erection of a single storey rear extension, raise the roof, insertion of 4 rooflights to front elevation and rear dormer window to facilitate a loft c...

Full Planning Permission Dover
22 Aug 2026 Awaiting decision 26/00771

11 Edmund Street Wingham CT3 1BT

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

Full Planning Permission Dover
21 Aug 2026 Awaiting decision 26/00778

24 The Ridgeway River CT17 0NW

Certificate of lawfulness (proposed) for erection of a single storey rear extension and 1.8m privacy screen to extended patio (conservatory demolished...

Certificate of Lawful Proposed Use Dover
21 Aug 2026 Awaiting decision 26/00779

9 Paddock Close Sholden CT14 0AE

Certificate of lawfulness (proposed) for the erection of a rear dormer roof extension and rooflights to front roof slope

Certificate of Lawful Proposed Use Dover
20 Aug 2026 Awaiting decision 26/00759

215 Folkestone Road Dover CT17 9SL

Erection of a single storey rear extension and rear garage with additional parking (existing garage to be demolished)

Full Planning Permission Dover
20 Aug 2026 Awaiting decision 26/00763

7 Duke Street Deal CT14 6DU

Erection of two storey and single storey rear extensions, rear dormer window, external and internal alterations (existing rear extensions to be demoli...

Full Planning Permission Dover
18 Aug 2026 Awaiting decision 26/00756

8 Beatrice Road Capel Le Ferne CT18 7LL

Erection of single storey side and rear extension following the demolition of garage and side chimney

Full Planning Permission Dover
18 Aug 2026 Awaiting decision 26/00764

Crockshard Barn Crockshard Hill Wingham CT3 1NY

Change of use of land to residential garden land, erection of a carport , parking and entrance gate

Full Planning Permission Dover
18 Aug 2026 Awaiting decision 26/00697

The Estate Office Home Farm Waldershare Park Waldershare CT15 5BB

Reinstatement works following tree impact damage to listed garden wall. Works include: repair and part reconstruction of brick boundary walls.

Listed Building Consent Dover
15 Aug 2026 Awaiting decision 26/00729

The Coach House Langdon Abbey Abbey Road Langdon CT15 5HJ

Replacement of garage door with new window, replacement of 1no. window to west elevation, reinstatement of 1no. window and infill of opening to east e...

Listed Building Consent Dover
15 Aug 2026 Awaiting decision 26/00728

The Coach House Langdon Abbey Abbey Road Langdon CT15 5HJ

Insertion of rooflight, replacement of rooflight, alterations to doors and windows and demolition of existing conservatory

Full Planning Permission Dover
15 Aug 2026 Awaiting decision 26/00751

Bovine Lodge Westcliffe Farm Dover Road Westcliffe CT15 6EN

Erection of an annexe for ancillary use

Full Planning Permission Dover
15 Aug 2026 Awaiting decision 26/00731

Hare And Hounds The Street Northbourne CT14 0LG

Change of use of and conversion of public house to residential dwelling to include single storey rear and first floor rear extensions, alterations to ...

Full Planning Permission Dover
14 Aug 2026 Awaiting decision 26/00747

4 Chestnut Drive Worth CT14 0BZ

Erection of a single storey rear elevation, insertion of rear dormer window to facilitate a loft conversion, replacement roof to garage with 2 rooflig...

Full Planning Permission Dover
14 Aug 2026 Awaiting decision 26/00742

Pembroke House Wass Drove Westmarsh CT3 2LW

Raised roof and insertion of rear dormer window to facilitate a loft conversion (part retrospective)

Full Planning Permission Dover
13 Aug 2026 Awaiting decision 26/00739

Godwyne Court Godwyne Road Dover CT16 1SR

Replacement windows

Full Planning Permission Dover
13 Aug 2026 Awaiting decision 26/00701

71 Church Meadows Deal CT14 9QZ

Erection of an attached garage (existing garage to be demolished)

Full Planning Permission Dover
13 Aug 2026 Awaiting decision 26/00733

Heathland Barn Sandwich Road Eastry CT13 0DR

Erection of a single storey rear extension, aleterations to front window/door, internal alterations, and detached carport/garage

Full Planning Permission Dover
11 Aug 2026 Awaiting decision 26/00737

74 The Strand Walmer CT14 7DL

Remove and rebuild of short section of wall

Full Planning Permission Dover
8 Aug 2026 Awaiting decision 26/00732

St Finbarrs R C Church Market Place Aylesham CT3 3EZ

External changes to include new canopy, new front door, insertion of first floor window and external cladding

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.