23 Basing Hill London NW11 8TE

1. 20 Oct 2026

   Received by Barnet

2. 21 Oct 2026

   Validated

   Checked as complete and ready for consideration.

3. 21 Oct 2026

   Added to PlanIndex

4. Decision

   Awaiting decision

   Decision expected by 16 December 2026, 8 weeks from validation under the statutory target for most applications. Extensions of time are common and are agreed case by case.

   Barnet took a median of 46 days over the applications it decided in the last year.

This application is with Barnet for determination, against a statutory target of eight weeks. Over the last year Barnet decided householder applications in a median of 56 days. More in our guide to how long planning decisions take.

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.

• 9 Basing Hill London NW11 8TE

  26/3416/192 Submitted 17 Sep 2026 50 yards away

  79% historically approved · decision due ~12 Nov

  Conversion of the existing garage into habitable room, insertion of window to replace garage door

  Awaiting decision Windows or glazing

• 23 Armitage Road London NW11 8QT

  26/0228/HSE Submitted 21 Jan 2026 150 yards away

  77% historically approved · decision due ~19 Mar

  Single storey side/rear extension with 3no. rooflights. Alteration of to the roof of the existing ground floor rear extension

  Awaiting decision Householder Extension Loft or dormer 6 docs
  Small domestic

• 56 Dunstan Road London NW11 8AD

  26/1591/HSE Submitted 28 Apr 2026 200 yards away

  First floor side extension. Changes to rear fenestration

  Granted Householder Extension Windows or glazing 7 docs
  Domestic

• 56 Dunstan Road London NW11 8AD

  26/0409/S73 Submitted 3 Feb 2026 200 yards away

  93% historically approved · decision due ~31 Mar

  Variation of condtion 1 (Approved plans) pursuant to planning permission 25/2806/HSE dated 11/08/2025 for `Single storey side and rear extension following demolition of the existing garage. New front porch. Replacement front and rear windows and doors.` Amendments include new first floor side extension above approved ground floor extension

  Awaiting decision Conditions Extension Demolition +1 4 docs
  Small domestic

• 56 Dunstan Road London NW11 8AD

  26/0716/HSE Submitted 24 Feb 2026 200 yards away

  First floor side/rear extension. Roof extension involving wraparound side and rear dormer extension. (AMENDED PROPOSAL)

  Refused Householder Extension Loft or dormer 6 docs
  Domestic

• 46 Dunstan Road London NW11 8AD

  26/2116/S73 Submitted 8 Jun 2026 200 yards away

  Variation of condition 1 (Approved plans) pursuant to planning permission 19/0907/FUL dated 19/06/2019 for `Subdivision of existing dwelling to create 3no self-contained flats. Roof extension involving 1no rear and 1no side dormer window and 2no front and 1no rear rooflights. Single storey rear extension following demolition of existing conservatory and garage, including infill extension to rear. New terrace area. New front porch. Associated refuse and recycling store, off street parking, amenity space.` Amendments include minor alterations to the rear dormer, first floor rear window and fenestration to the window in the side dormer and provision of platform area outside rear dormer

  Refused New dwelling Extension +3
  Small domestic

• 26/3827/HSE Awaiting decision

  43 Hermitage Lane London NW2 2HE

  Single storey rear extension with 3no. rooflights following demolition of the existing conservatory. Replacement front bay window and entrance porch. First floor rear juliette balcony. Changes to fenestration including new window openings and enlarged front rooflight

  22 Oct 2026 Householder
• 26/3833/HSE Awaiting decision

  47 Holne Chase London N2 0QG

  Single storey rear extension. Replacement of single glazed windows with double glazing. Alterations to side/rear fenestration. Alterations and replacement of existing rear dormer window addition of 2no. side dormer windows and 3no. rooflights. Installation of cameras and wall lights. Replacement of the front entrance and garage doors, installation of timber side garden gates

  22 Oct 2026 Householder
• 26/3815/HSE Awaiting decision

  17 Hurstwood Road London NW11 0AS

  Single storey rear extension

  21 Oct 2026 Householder
• 26/3800/HSE Awaiting decision

  29 Monks Avenue Barnet EN5 1BZ

  Single storey side and rear infill extension including new front porch following demolition of the side/rear storage.

  Received 20 Oct, published by the council 21 Oct 2026 Householder
• 26/3791/HSE Awaiting decision

  149 Montrose Avenue Edgware HA8 0DZ

  New front hardstanding and vechicular access to provide off-street parking

  Received 20 Oct, published by the council 21 Oct 2026 Householder