6 Cool Oak Lane London NW9 7BJ

This site has had 2 applications since 2026.

• 26/0516/HSE Awaiting decision

  6 Cool Oak Lane London NW9 7BJ

  Single storey side infill extension and single storey rear extension following demolition of existing outbuilding. Single storey front extension

  Submitted 10 Feb 2026 Householder

1. 21 Apr 2026

   Received by Barnet

2. 25 Jul 2026

   Added to PlanIndex

3. Decision

   Awaiting decision

   Decision expected by 16 June 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 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 Cool Oak Lane London NW9 7BJ

  26/0516/HSE Submitted 10 Feb 2026 0m away

  77% historically approved · decision due ~7 Apr

  Single storey side infill extension and single storey rear extension following demolition of existing outbuilding. Single storey front extension

  Awaiting decision Householder Extension Demolition 12 docs
  Small domestic

• 14 Cool Oak Lane London NW9 7BJ

  26/0159/HSE Submitted 15 Jan 2026 33m away

  77% historically approved · decision due ~19 Mar

  Part single, part two storey side and rear extension including conversion of the garage into habitable room and replacement of the existing shutter with window. Hip to gable roof extension

  Awaiting decision Householder Extension Loft or dormer +1 7 docs
  Domestic

• 14 Cool Oak Lane London NW9 7BJ

  26/0972/HSE Submitted 13 Mar 2026 33m away

  Part single, part two storey side and rear extension including conversion of garage into habitable room insertion of window to replace garage door

  Granted Householder Extension Windows or glazing 7 docs
  Domestic

• 14 Cool Oak Lane London NW9 7BJ

  25/4403/192 Submitted 4 Nov 2025 33m 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 5 docs

• 14 Cool Oak Lane London NW9 7BJ

  25/4404/PNH Submitted 4 Nov 2025 34m away

  Single storey rear extension with a proposed depth of 6.00 metres, maximum height of 3.31 metres and eaves height of 3.00 metres.

  Granted Prior approval Extension 6 docs
  Small domestic

• 129 West Hendon Broadway London NW9 7DY

  26/2369/ADV Submitted 22 Jun 2026 45m away

  79% historically approved · decision due ~21 Aug

  Installation of 1no. internally illuminated digital display panel

  Awaiting decision Advertising

• 26/3396/HSE Awaiting decision

  43 Dukes Avenue London N3 2DE

  Single storey rear, part two storey side extension with 1no. rooflight following the demolition of existing shed. Roof extension with rear dormer window, 1no. front, 3no. side facing rooflights and roof windows to the front and side roof slopes. Installation of solar panels to side elevation of roof

  17 Sep 2026 Householder
• 26/3410/HSE Awaiting decision

  54 Ferney Road Barnet EN4 8LE

  Single storey rear extension with alteration to the raised terrace area including new access steps to garden

  17 Sep 2026 Householder
• 26/3385/HSE Awaiting decision

  Three Gables Bungalow Boyne Avenue London NW4 2JL

  Excavation of basement level with associated front and western lightwells. Single storey rear extensions with new patio area. Alterations to ground levels. Formation of first floor with new pitched gable roof with 2no. front and 2no. rear dormers and 2no. front facing, 2no side rooflights with associated hard and soft landscaping

  16 Sep 2026 Householder
• 26/3386/HSE Awaiting decision

  9 Colin Gardens London NW9 6EL

  Single storey rear extension with 1no. rooflight following demolition of the existing garage

  16 Sep 2026 Householder
• 26/3363/HSE Awaiting decision

  125 Park Road Barnet EN4 9QN

  Single storey side / rear extension including garage with 1no. roof lantern following the demolition of existing garage and front porch. Roof extension involving hip to gable on both sides with rear dormer window and 3no. front facing rooflights

  15 Sep 2026 Householder