21 Southbourne Crescent London NW4 2LB

This site has had 2 applications since 2026.

• 26/0989/HSE Awaiting decision

  21 Southbourne Crescent London NW4 2LB

  Two storey side and part single, part two storey rear extension following demolition of existing garage. Alterations and extensions to roof including enlargement of rear dormer window and insertion of 2no. rooflights to front roofslope. New rear patio and steps to garden. New front porch

  Submitted 16 Mar 2026 Householder

1. 13 Jul 2026

   Received by Barnet

2. 25 Jul 2026

   Added to PlanIndex

3. 11 Sep 2026

   Status changed to Approved subject to conditions

   Previously Pending Consideration.

Barnet has decided this application; the outcome above is the register's own wording and the decision notice on the council portal carries the detail. More in our guide to what happens after a planning decision.

Householder applications cover work to an existing house and its garden, such as extensions, lofts and outbuildings, and cannot create a separate dwelling or change what the building is used for. More in our guide to planning application types.

• 21 Southbourne Crescent London NW4 2LB

  26/0989/HSE Submitted 16 Mar 2026 43m away

  77% historically approved · decision due ~12 May

  Two storey side and part single, part two storey rear extension following demolition of existing garage. Alterations and extensions to roof including enlargement of rear dormer window and insertion of 2no. rooflights to front roofslope. New rear patio and steps to garden. New front porch

  Awaiting decision Householder Extension Loft or dormer +2 30 docs
  Small domestic

• 14 Southbourne Crescent London NW4 2JY

  25/3740/192 Submitted 11 Sep 2025 51m away

  80% historically approved · decision due ~6 Nov

  Erection of a rear outbuilding

  Awaiting decision Lawful development 2 docs

• Geraldene Greenbank Crescent London NW4 2LA

  26/1213/HSE Submitted 30 Mar 2026 88m away

  77% historically approved · decision due ~2 Jun

  Conversion of the garage into a habitable room with front extension and insertion of window to replace garage door. Alteration to porch roof. First floor side extension with alteration to roof over existing side extension. Removal of chimney stacks (AMENDED DESCRIPTION)

  Awaiting decision Householder Extension Windows or glazing 17 docs
  Small domestic

• Highbank Greenbank Crescent London NW4 2LA

  26/2528/192 Submitted 6 Jul 2026 100m away

  79% historically approved · decision due ~31 Aug

  Use of a (Class 3a) dwelling as a children's home for up to three children, with a manager and three carers, two of whom would stay overnight, working on a rota basis (Class C2).

  Awaiting decision
  Domestic

• Highbank Greenbank Crescent London NW4 2LA

  26/3266/192 Submitted 8 Sep 2026 100m away

  79% historically approved · decision due ~9 Nov

  Use of a (Class 3a) dwelling as a children's home for up to two children, with a manager and two carers, two of whom would stay overnight, working on a rota basis (Class C2)

  Awaiting decision
  Domestic

• 49 Southbourne Crescent London NW4 2JX

  26/1639/HSE Submitted 30 Apr 2026 139m away

  77% historically approved · decision due ~30 Jun

  Lower ground floor storage area, part single, part two-storey, front side and rear extension with associated patio steps following the demolition of the existing garage. Roof extension involving side dormer window, 2no. front and 1no. rear facing rooflight and new side gable window

  Awaiting decision Householder Extension Loft or dormer +2 16 docs
  Domestic

• 26/3422/HSE Awaiting decision

  Revelstroke 28 Totteridge Village London N20 8JN

  Construction of a swimming pool and associated hard and soft landscaping following demolition of the existing shed including new access steps. Alterations to the ground level. Replacement of an existing timber decking terrace with a paved terrace.

  18 Sep 2026 Householder
• 26/3396/HSE Awaiting decision

  43 Dukes Avenue London N3 2DE

  Single storey rear, part two storey side extension with 1no. rooflight following the demolition of existing shed. Roof extension with rear dormer window, 1no. front, 3no. side facing rooflights and roof windows to the front and side roof slopes. Installation of solar panels to side elevation of roof

  17 Sep 2026 Householder
• 26/3410/HSE Awaiting decision

  54 Ferney Road Barnet EN4 8LE

  Single storey rear extension with alteration to the raised terrace area including new access steps to garden

  17 Sep 2026 Householder
• 26/3415/HSE Awaiting decision

  11 Downage London NW4 1AS

  Alterations and extensions to the roof including rear dormer window and the partial removal of the roof of the first floor rear extension, creation of a new crown roof over main roof and rear extension, 1no. front, 1no. side, 1no. rear facing rooflight and 1no. on crown roof

  17 Sep 2026 Householder
• 26/3382/HSE Awaiting decision

  11 Layfield Crescent London NW4 3UJ

  Part single, part two storey rear extension with flat roof and 1no. skylight

  16 Sep 2026 Householder