13 Twineham Green London N12 7EP

1. 29 Sep 2026

   Received by Barnet

2. 30 Sep 2026

   Added to PlanIndex

3. Decision

   Awaiting decision

   Decision expected by 24 November 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.

• 6 Twineham Green London N12 7ER

  26/2859/RCU Submitted 3 Aug 2026 150 yards away

  78% historically approved · decision due ~5 Oct

  Roof extension involving rear dormer window ( Retrospective Application)

  Awaiting decision Extension Loft or dormer +1

• 60 Chanctonbury Way London N12 7AB

  26/0284/HSE Submitted 26 Jan 2026 250 yards away

  Part single, part two storey side wraparound and rear extension following demolition of the existing garage. Single storey front infill extension including front porch. Roof extension involving hip to gable, rear dormer window with juliette balcony, 3no front facing rooflights and new side gable window [Amended Description]

  Granted Householder Extension Loft or dormer +2 11 docs
  Small domestic

• 60 Chanctonbury Way London N12 7AB

  25/4276/192 Submitted 27 Oct 2025 250 yards away

  Single storey side extension following the demolition of existing garage

  Granted Lawful development Extension Demolition 8 docs
  Small domestic

• 60 Chanctonbury Way London N12 7AB

  25/4275/192 Submitted 27 Oct 2025 250 yards away

  Two storey rear extension with pitched roof

  Refused Lawful development Extension 9 docs

• 60 Chanctonbury Way London N12 7AB

  25/3610/PNH Submitted 1 Sep 2025 250 yards away

  56% historically approved · decision due ~29 Oct

  Single storey rear extension with a proposed depth of 6m, maximum height of 3m and eaves height of 3m

  Awaiting decision Prior approval Extension 7 docs
  Small domestic

• 44 Holden Road London N12 7DN

  TPP/0610/25 Submitted 23 Sep 2025 300 yards away

  88% historically approved · decision due ~18 Nov

  1 x Ash - Fell to ground level. Standing in Group G41 of Tree Preservation Order.

  Awaiting decision Trees 3 docs

• 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