1 Northiam London N12 7ET

1. 1 Oct 2026

   Received by Barnet

2. 23 Oct 2026

   Validated

   Checked as complete and ready for consideration.

3. 23 Oct 2026

   Added to PlanIndex

4. Decision

   Awaiting decision

   Decision expected by 18 December 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 full applications in a median of 56 days. More in our guide to how long planning decisions take.

A full application seeks permission for a complete, detailed proposal in one go, with siting, design, access and landscaping all fixed at this stage. More in our guide to planning application types.

• 39 Northiam London N12 7ET

  26/2641/192 Submitted 15 Jul 2026 50 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

• 11 Northiam London N12 7ET

  25/3429/HSE Submitted 15 Aug 2025 50 yards away

  Conversion of the existing garage into habitable room, insertion of window to replace garage door. Alterations to existing rear patio and erection of a rear outbuilding

  Granted Householder Windows or glazing 11 docs
  Small domestic

• 34 Northiam London N12 7HA

  25/3729/PNH Submitted 10 Sep 2025 100 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

• 76 Southover London N12 7HB

  25/4263/FUL Submitted 24 Oct 2025 200 yards away

  Change of use of ground floor from hair salon (Use Class E) to residential (Use Class C3) for ancillary use to the first floor flat with associated alterations to front elevation

  Granted Full applications 11 docs

• 76 Southover London N12 7HB

  26/3296/FUL Submitted 10 Sep 2026 200 yards away

  63% historically approved · decision due ~5 Nov

  Change of use from Hair Salon (Class E) to amalgamate first floor dwelling into enlarged self-contained dwelling (Class C3) including single storey rear and side extension with carport, utility room, new access steps with associated railing and 2no. rooflights following demolition of the existing garage. New front infill and insertion of 2no. casement windows. Associated rear cycle storage

  Awaiting decision Full applications Extension Loft or dormer +2
  Small domestic

• 71 Southover London N12 7HG

  26/0983/HSE Submitted 16 Mar 2026 200 yards 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

• 26/2740/FUL Refused

  867 Finchley Road London NW11 8RR

  Change of use of a betting office (Sui Generis) to an Adult Gaming Centre (Sui Generis)

  Received 24 Jul, published by the council 3 Aug 2026 Full applications
• 26/3851/FUL Awaiting decision

  517 Watford Way London NW7 2QR

  Single storey extension to the rear of the existing workshop building to provide relocated MOT Bay

  23 Oct 2026 Full applications
• 26/3848/FUL Awaiting decision

  157 Brent Street London NW4 4DJ

  Mansard roof extension involving 2no. front, 3no. side and 2no. rear dormer windows to provide 1no. self-contained flat including raising of the eaves level and addition of window to second floor. Removal of chimneys. Additional side door to ground floor level to provide access to cycle and refuse/recycling storage

  23 Oct 2026 Full applications
• 26/3828/FUL Awaiting decision

  41 - 43 Sneath Avenue London NW11 9AJ

  Part single, part two storey rear extensions to both properties following the demolition of the single storey rear extension at no.43

  22 Oct 2026 Full applications
• 26/3829/FUL Awaiting decision

  369 Watford Way London NW4 4TE

  Change of use of the existing dwelling (Use Class C3) to a 11 bed 11 Person HMO (House in Multiple Occupation) (Use Class Sui Generis) including part single, part two storey side and rear extensions and roof extension involving rear dormer window. Associated refuse/recycling storage, cycle parking, landscaping and external amenity space

  22 Oct 2026 Full applications