1 Weirdale Avenue London N20 0AN

1. 10 Aug 2026

   Received by Barnet

2. 10 Aug 2026

   Added to PlanIndex

3. Decision

   Awaiting decision

   Decision expected by 5 October 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.

• 70 Weirdale Avenue London N20 0AG

  26/0397/192 Submitted 2 Feb 2026 100 yards away

  80% historically approved · decision due ~31 Mar

  Roof extension involving rear dormer window with juliette balcony and 2no. front facing rooflights

  Awaiting decision Lawful development Extension Loft or dormer +1 8 docs

• 54 Russell Lane London N20 0AE

  26/1530/PNH Submitted 24 Apr 2026 100 yards away

  56% historically approved · decision due ~23 Jun

  Single-storey rear extension with a proposed depth of 4.50 metres, a maximum height of 3.15 metres, and an eaves height of 3.15 metres.

  Awaiting decision Prior approval Extension 9 docs
  Small domestic

• 54 Russell Lane London N20 0AE

  26/2767/HSE Submitted 27 Jul 2026 100 yards away

  Single storey side and rear extension with 1no. skylight following demolition of the existing garage and decking area. New front porch. Replacement of front windows with double glazed units to match existing. Relocation of access steps to lower garden. (amended description).

  Refused Householder Extension Demolition +1
  Small domestic

• 7 Ashbourne Avenue London N20 0AL

  25/3730/192 Submitted 10 Sep 2025 150 yards away

  80% historically approved · decision due ~5 Nov

  Roof extension involving hip to gable, rear dormer window with juliette balcony and 2no. front facing rooflights

  Awaiting decision Lawful development Extension Loft or dormer +1 21 docs

• 7 Ashbourne Avenue London N20 0AL

  25/3862/192 Submitted 19 Sep 2025 150 yards away

  80% historically approved · decision due ~14 Nov

  Roof extension involving hip to gable, rear dormer window with juliette balcony and 2no. front facing rooflights

  Awaiting decision Lawful development Extension Loft or dormer +1 21 docs

• 5 Ashbourne Avenue London N20 0AL

  26/0678/HSE Submitted 20 Feb 2026 150 yards away

  Single storey rear extension with 1no. roof lantern, raised decking area with associated access steps and privacy screening. New front porch with pitched roof. New front hardstanding and vehicular access to provide off-street parking

  Refused Householder Extension Windows or glazing 7 docs
  Small domestic

• 26/3853/HSE Awaiting decision

  30 Goldsmith Avenue London NW9 7HB

  Single storey rear extension following demolition of the existing extension

  23 Oct 2026 Householder
• 26/3856/HSE Awaiting decision

  229 Hale Drive London NW7 3EH

  Single storey rear extension

  23 Oct 2026 Householder
• 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
• 26/3841/HSE Awaiting decision

  Manor House West Heath Close London NW3 7NJ

  New metal framed pergola to upper ground floor rear terrace

  Received 22 Oct, published by the council 23 Oct 2026 Householder