13 Copthall Drive London NW7 2ND

1. 15 Jan 2026

   Received by Barnet

2. 10 Aug 2026

   Added to PlanIndex

3. Decision

   Awaiting decision

   Decision expected by 12 March 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.

• 28 Copthall Drive London NW7 2NB

  23/2770/RCU Submitted 26 Jun 2023 50 yards away

  Use of rear garden annexe for use as art club (Retrospective Application)

  Refused Amendments 150 docs

• 10 Holmdene Avenue London NW7 2NA

  26/3236/S73 Submitted 4 Sep 2026 100 yards away

  79% historically approved · decision due ~30 Oct

  Variation of condition 1 (Approved Plans) of planning permission reference 26/0205/S73 (variation of 25/2451/HSE) dated 17/03/26 for 'Single storey rear extension with 2no. rooflights and new patio area and access steps to garden. Conversion of existing garage into habitable space including increasing the roof ridge height, insertion of window to replace the garage door. Front porch extension. Increasing roof height of the existing study at the rear'. Variation to include a 1.25m extension to the approved front porch, increasing the height of the dummy pitched roof of the garage and lowering the patio with new steps

  Awaiting decision Extension Loft or dormer +2
  Small domestic

• 10 Holmdene Avenue London NW7 2NA

  26/0205/S73 Submitted 20 Jan 2026 100 yards away

  93% historically approved · decision due ~17 Mar

  Variation of condition 1 (Approved plans) of planning permission 25/2451/HSE dated 11/08/2025 for 'Single storey rear extension with 2no. rooflights and new patio area and access steps to garden. Conversion of existing garage into habitable space including increasing the roof ridge height, insertion of window to replace the garage door. Front porch extension. Increasing roof height of the existing study at the rear' Variation to include increasing the depth of proposed rear extension

  Awaiting decision Conditions Extension Loft or dormer +2 5 docs
  Small domestic

• 3 Hillside Grove London NW7 2LS

  25/3935/S73 Submitted 26 Sep 2025 100 yards away

  93% historically approved · decision due ~24 Nov

  Variation of condition 1 (Approved Plans) and 3 (Materials) pursuant to planning permission 24/3700/HSE dated 18/11/24 for `Part single, part two storey side and rear extension with 2no. rooflights. Conversion of the garage into habitable room, insertion of window to replace the garage door.` Variation to external finishing materials of front, rear and roof'

  Awaiting decision Conditions Extension Loft or dormer +1 5 docs

• 3 Hillside Grove London NW7 2LS

  25/4418/RCU Submitted 5 Nov 2025 100 yards away

  Part proposed and part retrospective application for: Part single, part two storey side and rear extension, conversion of the garage into habitable room, insertion of window to replace the garage door (retrospective). Proposed render to the front and rear elevation (proposed)

  Granted Amendments Extension Windows or glazing 15 docs

• 43 Glenmere Avenue London NW7 2LT

  25/4268/HSE Submitted 24 Oct 2025 100 yards away

  Single storey side and rear extension following demolition of the existing rear extension and timber shed

  Granted Householder Extension Demolition 9 docs
  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