House extensions in Gravesham

Gravesham received 546 householder applications in the last 12 months - about 11 a week. Rear extensions and dormers are the most common. Of the 437 decided so far, 331 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 142 applications
Yesterday Pending Consideration 20261016

48 Brookside Road Istead Rise Gravesend Kent DA13 9JJ

Demolition of existing rear conservatory; Erection of part two storey and part single storey rear extension; conversion of existing garage into habita...

Householder Planning Application Gravesham
20 Oct 2026 Pending Consideration 20260858

136 Colyer Road Northfleet Gravesend Kent DA11 8AS

Application for a Proposed Lawful Development Certificate: Extension to existing dropped kerb.

Proposed Lawful Development Certificate Gravesham
19 Oct 2026 Pending Consideration 20261027

41 Central Avenue Gravesend Kent DA12 5AN

Erection of a single storey rear extension with roof lantern.

Householder Planning Application Gravesham
16 Oct 2026 Pending Consideration 20261011

Ashenden White Post Lane Cobham Gravesend Kent DA13 9AX

Replacement of the flat roof over the front extension with a pitched and flat roof.

Householder Planning Application Gravesham
16 Oct 2026 Pending Consideration 20261012

74 Perry Street Northfleet Gravesend Kent DA11 8RF

Application for a Proposed Lawful Development Certificate; Change of use from C3 dwellinghouse to C4 HMO, erection of a L-shaped dormer with loft conv...

Proposed Lawful Development Certificate Gravesham
15 Oct 2026 Pending Consideration 20260991

Shears Green County Primary School White Avenue Northfleet Gravesend Kent DA11 7JB

Installation of permanent freestanding edge protection on three rooftops.

Full Planning Application Gravesham
15 Oct 2026 Pending Consideration 20261005

6 High View Higham Rochester Kent ME3 7HR

Application for a Proposed Lawful Development Certificate; loft conversion comprising a hip-to-gable roof alteration, rear dormer extension and instal...

Proposed Lawful Development Certificate Gravesham
15 Oct 2026 Pending Consideration 20261006

6 High View Higham Rochester Kent ME3 7HR

Demolition of existing rear conservatory. Erection of a single storey side/rear extension, front extension and alterations to fenestration.

Householder Planning Application Gravesham
14 Oct 2026 Pending Consideration 20260998

47 Marling Way Gravesend Kent DA12 4DW

Demolition of existing rear conservatory and erection of a single storey rear extension with two rooflights.

Householder Planning Application Gravesham
14 Oct 2026 Pending Consideration 20260996

76 Park Avenue Northfleet Gravesend Kent DA11 8DL

Application for a Proposed Lawful Development Certificate; Erection of a single-storey rear extension, rear dormer extension, demolition of the existi...

Proposed Lawful Development Certificate Gravesham
14 Oct 2026 Pending Decision 20261008

Rose House Gravesend Road Wrotham Sevenoaks Kent TN15 7JL

Sevenoaks Amended Consultation - To extend an existing dropped kerb and erection of a 2m boundary fence,

Adjoining Authorities Application Gravesham
14 Oct 2026 Approved 23 Oct 20260995

10 Aspdin Road Northfleet Gravesend Kent DA11 8LY

Application for a Proposed Lawful Development Certificate; Installation of a dropped kerb in association with the creation of a driveway.

Proposed Lawful Development Certificate Gravesham
13 Oct 2026 Approved 23 Oct 20260979

10 Racefield Close Shorne Gravesend Kent DA12 3EL

Application for a Proposed Lawful Development Certificate; Installation of a dropped kerb in association with a new driveway.

Proposed Lawful Development Certificate Gravesham
9 Oct 2026 Pending Consideration 20260987

2 Bramblebank Vigo Gravesend Kent DA13 0TF

Demolition of rear conservatory and erection of a two storey side extension.

Householder Planning Application Gravesham
9 Oct 2026 Pending Consideration 20260964

Hornfield David Street Meopham Gravesend Kent DA13 0BT

Application for a Proposed Lawful Development Certificate; Use of the land to site a mobile home for incidental use to the main dwellinghouse.

Proposed Lawful Development Certificate Gravesham
8 Oct 2026 Pending Consideration 20260985

29 Cheyne Walk Meopham Gravesend Kent DA13 0PF

Erection of a single storey front extension with pitch roofs. Erection of two storey rear extension with alterations to fenestration and garage roof.

Householder Planning Application Gravesham
8 Oct 2026 Pending Consideration 20260902

36 Lennox Road Gravesend Kent DA11 0EP

Removal of existing flat roof on two storey side extension and replacement with a new hipped roof extension

Householder Planning Application Gravesham
8 Oct 2026 Pending Consideration 20260859

3 Earl Road Northfleet Gravesend Kent DA11 7AE

Application for a Proposed Lawful Development Certificate; Engineering works to the front garden to provide a hardstanding area for vehicle parking, i...

Proposed Lawful Development Certificate Gravesham
8 Oct 2026 Pending Consideration 20260927

34 Painters Ash Lane Northfleet Gravesend Kent DA11 8EQ

Application for a Proposed Lawful Development Certificate; Installation of a dropped kerb in association with an existing driveway.

Proposed Lawful Development Certificate Gravesham
7 Oct 2026 Pending Consideration 20260982

20 Norah Lane Higham Rochester Kent ME3 7EP

Erection of a single storey front/side extension.

Householder Planning Application Gravesham
6 Oct 2026 Pending Consideration 20260978

1 The Gallops Vigo Gravesend Kent DA13 0SS

Erection of a rear conservatory.

Householder Planning Application Gravesham
6 Oct 2026 Pending Consideration 20260974

14 Dene Holm Road Northfleet Gravesend Kent DA11 8LE

Erection of single storey rear extension and conversion of garage into habitable rooms with alterations to fenestration.

Householder Planning Application Gravesham
6 Oct 2026 Pending Consideration 20260977

Unit K Springhead Enterprise Park Springhead Road Northfleet Gravesend Kent DA11 8HH

Application for a Proposed Lawful Development Certificate: Erection of an extension to Unit K.

Proposed Lawful Development Certificate Gravesham
6 Oct 2026 Pending Consideration 20260973

96 Lanes Avenue Northfleet Gravesend Kent DA11 7HS

Erection of a first-floor part rear extension.

Householder Planning Application Gravesham
5 Oct 2026 Pending Consideration 20260969

2 Pelham Road Gravesend Kent DA11 0HW

Rendering of front and rear elevations in white / cream.

Full Planning Application Gravesham
5 Oct 2026 Pending Consideration 20260936

72 Ferndale Road Gravesend Kent DA12 5AE

Application for a Proposed Lawful Development Certificate; Extension of a dropped kerb and driveway.

Proposed Lawful Development Certificate Gravesham
2 Oct 2026 Pending Consideration 20260967

290 Singlewell Road Gravesend Kent DA11 7RF

Erection of a Outbuilding in rear garden.

Householder Planning Application Gravesham
2 Oct 2026 Pending Consideration 20260941

14 Lime Avenue Northfleet Gravesend Kent DA11 9PY

Demolition of existing rear projection and erection of a single storey rear extension. Hip to gable roof alterations, construction of a dormer in the ...

Householder Planning Application Gravesham
1 Oct 2026 Pending Consideration 20260962

81 Old Road East Gravesend Kent DA12 1NX

Application for a Proposed Lawful Development Certificate; Changing of roof profile from hip to gable and loft conversion with rear dormer extension a...

Proposed Lawful Development Certificate Gravesham
1 Oct 2026 Pending Consideration 20260965

2 Norah Lane Higham Rochester Kent ME3 7ER

Demolition of side structure. Erection of a single storey side/rear extension with roof lantern, roof and rear dormer alterations, reconfigured front ...

Householder Planning Application Gravesham
1 Oct 2026 Pending Consideration 20260958

5 Gazelle Glade Gravesend Kent DA12 4PU

Demolition of existing conservatory and erection of a single story flat roof rear extension with two rooflights.

Householder Planning Application Gravesham
1 Oct 2026 Pending Consideration 20260923

138 Valley Drive Gravesend Kent DA12 5SA

Change of use of the existing dwellinghouse (Use Class C3) to a children's home (Use Class C2) accommodating up to four children, together with loft/r...

Full Planning Application Gravesham
30 Sept 2026 Pending Consideration 20260956

60 Cerne Road Gravesend Kent DA12 4BP

Application for a Proposed Lawful Development Certificate; Widening of existing dropped kerb in association with a driveway.

Proposed Lawful Development Certificate Gravesham
30 Sept 2026 Pending Consideration 20260961

16 Warren View Shorne Gravesend Kent DA12 3EJ

Partial demolition of existing rear roof, erection of rear roof extension with partial conversion of existing roof space to habitable accommodation wi...

Householder Planning Application Gravesham
30 Sept 2026 Pending Consideration 20260963

81 Old Road East Gravesend Kent DA12 1NX

Prior approval application for a single storey rear extension with a depth of 5.00 metres, maximum height of 4.00 metres and eaves height of 3.00 metr...

Prior Approval Extensions Gravesham
29 Sept 2026 Pending Consideration 20260959

Purvil Wood Cottage Leywood Road Meopham Gravesend Kent DA13 0UH

Application for a Proposed Lawful Development Certificate in respect of erection of single storey side extension.

Proposed Lawful Development Certificate Gravesham
28 Sept 2026 Pending Consideration 20260645

76 New Road Gravesend Kent DA11 0AF

Application for external alterations.

Full Planning Application Gravesham
25 Sept 2026 Pending Consideration 20260954

48 Wrotham Road Gravesend Kent DA11 0QF

Erection of a single storey rear/side extension.

Householder Planning Application Gravesham
25 Sept 2026 Pending Consideration 20260916

22 Barley Drive Gravesend Kent DA11 7GP

Erection of a two storey rear extension with Juliet balcony.

Householder Planning Application Gravesham
24 Sept 2026 Pending Consideration 20260953

48 Wrotham Road Gravesend Kent DA11 0QF

Erection of a first floor rear extension.

Householder Planning Application Gravesham
24 Sept 2026 Pending Consideration 20260952

48 Wrotham Road Gravesend Kent DA11 0QF

Application for a Proposed Lawful Development Certificate; Erection of single storey rear extension and loft conversion with rear and side dormer.

Proposed Lawful Development Certificate Gravesham
23 Sept 2026 Pending Consideration 20260948

17 Thong Lane Gravesend Kent DA12 4LB

Application for a Proposed Lawful Development Certificate; Erection of outbuilding in rear garden.

Proposed Lawful Development Certificate Gravesham
23 Sept 2026 Pending Consideration 20260915

5 Park Avenue Gravesend Kent DA12 1NS

Retrospective application for the retention of single storey rear extension and raised patio.

Full Planning Application Gravesham
23 Sept 2026 Pending Consideration 20260951

48 Wrotham Road Gravesend Kent DA11 0QF

Prior approval application for a two single storey rear extension with a depth of 6.00 metres, maximum height of 3.00 metres and eaves height of 3.00 ...

Prior Approval Extensions Gravesham
23 Sept 2026 Pending Consideration 20260895

Westcot The Ridgeway Shorne Gravesend Kent DA12 3LN

Replacement of existing aluminium sliding sash windows in bay window in ground floor front elevation with uPVC double glazed sliding sash windows; rep...

Householder Planning Application Gravesham
22 Sept 2026 Pending Consideration 20260946

16 Bellman Avenue Gravesend Kent DA12 1RE

Application for a Proposed Lawful Development Certificate; Installation of a dropped kerb in association with an existing driveway.

Proposed Lawful Development Certificate Gravesham
21 Sept 2026 Pending Consideration 20260940

256 Singlewell Road Gravesend Kent DA11 7RE

Erection of external rain shelter and extension to outbuilding.

Householder Planning Application Gravesham
21 Sept 2026 Pending Consideration 20260935

32 Fleet Road Northfleet Gravesend Kent DA11 8EE

Application for a Proposed Lawful Development Certificate; Extension of a dropped kerb.

Proposed Lawful Development Certificate Gravesham
21 Sept 2026 Approved 22 Oct 20260931

34 Upper Avenue Istead Rise Gravesend Kent DA13 9DA

Application for a Proposed Lawful Development Certificate; Extension of a dropped kerb In conjunction with an existing driveway.

Proposed Lawful Development Certificate Gravesham
21 Sept 2026 Pending Consideration 20260892

83 Vigilant Way Gravesend Kent DA12 4PJ

Demolition of existing rear conservatory. Erection of a two storey flat roof rear extension.

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

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