6 Twineham Green London N12 7ER

1. 3 Aug 2026

   Received by Barnet

2. 10 Aug 2026

   Validated

   Checked as complete and ready for consideration.

3. 10 Aug 2026

   Added to PlanIndex

4. 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's median decision took 46 days. More in our guide to how long planning decisions take.

The published feed does not state which type of application this is; the register entry on Barnet's portal will say. Our guide explains the common types.

• 13 Twineham Green London N12 7EP

  26/3533/HSE Submitted 29 Sep 2026 150 yards away

  77% historically approved · decision due ~24 Nov

  Part single, part two storey rear extension with pitched roof and 3no. rooflights and flat roof on first floor rear element. First floor front infill extension following the removal of existing front balcony. Installation of solar panels on roof

  Awaiting decision Householder Extension Loft or dormer
  Domestic

• 1 Northiam London N12 7ET

  26/3549/FUL Submitted 1 Oct 2026 250 yards away

  63% historically approved · decision due ~18 Dec

  Single storey side and rear extensions with associated access steps; Alterations to car park; Installation of ventilation equipment to flat roof within timber enclosure; Installation of solar panels to roof

  Awaiting decision Full applications Extension
  Small domestic

• 39 Northiam London N12 7ET

  26/2641/192 Submitted 15 Jul 2026 250 yards away

  78% historically approved · decision due ~9 Sep

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

  Awaiting decision Windows or glazing

• 34 Northiam London N12 7HA

  25/3729/PNH Submitted 10 Sep 2025 250 yards away

  56% historically approved · decision due ~5 Nov

  Single storey rear extension with a proposed depth of 3.80 metres, maximum height of 3.00 metres and eaves height of 2.95 metres.

  Awaiting decision Prior approval Extension 6 docs
  Small domestic

• 40 Northiam London N12 7HJ

  26/0613/HSE Submitted 17 Feb 2026 250 yards away

  Single storey side and rear extension including alteration to the existing access steps following demolition of the side garage and rear outbuilding

  Refused Householder Extension Demolition 14 docs
  Small domestic

• 40 Northiam London N12 7HJ

  25/4202/192 Submitted 20 Oct 2025 250 yards away

  Roof extension involving hip to gable, rear dormer window, 3no. front facing rooflights and new side gable window

  Granted Lawful development Extension Loft or dormer +1 8 docs