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 43 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 43 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.

• 39 Northiam London N12 7ET

  26/2641/192 Submitted 15 Jul 2026 226m away

  79% 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 233m away

  58% 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 247m 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 247m away

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

  Decided Lawful development Extension Loft or dormer +1 8 docs

• 40 Northiam London N12 7HJ

  25/4397/PNH Submitted 4 Nov 2025 247m away

  Single storey rear and side extension with a proposed depth from the rear wall of 4.00m, maximum height of 3.00m and eaves height of 3.00m following the demolition of the existing side extension and shed

  Refused Prior approval Extension Demolition 6 docs
  Small domestic

• 71 Southover London N12 7HG

  26/0983/HSE Submitted 16 Mar 2026 249m away

  77% historically approved · decision due ~15 Jun

  Conversion of garage into habitable room including insertion of windows to replace existing garage doors and addition of new pitched roof with rooflight. Two storey side extension following demolition of existing store. Roof extension including 1no. side dormer window, 1no. rear dormer window and 2no. front facing rooflights and increase in ridge height. Installation of solar panels. Alterations to ground floor rear projection including changes to fenestration and insertion of rooflights to flat roof. Addition of 1no. AC condenser unit and 1no. Air Source Heat Pump to side elevation. Removal of chimneys

  Awaiting decision Householder Extension Loft or dormer +3 6 docs
  Domestic