14 Cool Oak Lane London NW9 7BJ

This site has had 4 applications since 2025: 3 approved, 0 refused.

• 26/0159/HSE Awaiting decision

  14 Cool Oak Lane London NW9 7BJ

  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

  Submitted 15 Jan 2026 Householder
• 25/4404/PNH Granted

  14 Cool Oak Lane London NW9 7BJ

  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.

  Decided 9 Dec 2025 Prior approval
• 25/4403/192 Granted

  14 Cool Oak Lane London NW9 7BJ

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

  Decided 25 Nov 2025 Lawful development

1. 13 Mar 2026

   Received by Barnet

2. 16 Mar 2026

   Validated

   Checked as complete and ready for consideration.

3. 11 May 2026

   Decision issued: Approve subject to conditions

4. 25 Jul 2026

   Added to PlanIndex

Barnet granted permission on 11 May 2026, subject to any conditions on the decision notice. Work must normally begin within three years or the permission lapses. More in our guide to what happens after a planning decision.

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.

• 14 Cool Oak Lane London NW9 7BJ

  26/0159/HSE Submitted 15 Jan 2026 50 yards 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

  25/4403/192 Submitted 4 Nov 2025 50 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 5 docs

• 14 Cool Oak Lane London NW9 7BJ

  25/4404/PNH Submitted 4 Nov 2025 50 yards 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

• 6 Cool Oak Lane London NW9 7BJ

  26/1467/HSE Submitted 21 Apr 2026 50 yards away

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

  Refused Householder Extension Demolition 16 docs
  Small domestic

• 6 Cool Oak Lane London NW9 7BJ

  26/0516/HSE Submitted 10 Feb 2026 50 yards 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

• 129 West Hendon Broadway London NW9 7DY

  26/2369/ADV Submitted 22 Jun 2026 50 yards away

  93% historically approved · decision due ~21 Aug

  Installation of 1no. internally illuminated digital display panel

  Awaiting decision Advertising 7 docs

• 26/3476/HSE Granted

  116 Chase Way London N14 5DH

  Single storey rear extension with 2no. rooflights. Changes to fenestration; new doors, 3no. new windows to rear elevation

  Received 24 Sep, published by the council 25 Sep 2026 Householder
• 26/4019/HSE Awaiting decision

  38 Asmuns Hill London NW11 6ET

  Replacement of windows with vacuum-glazed windows (excluding subframes) and new french doors to rear

  6 Nov 2026 Householder
• 26/4023/HSE Awaiting decision

  61 Bullescroft Road Edgware HA8 8RN

  Single storey front, side and rear wraparound extension incorporating porch following conversion of the existing garage, including window to replace garage door

  6 Nov 2026 Householder
• 26/4015/HSE Awaiting decision

  6 Raeburn Close London NW11 6UG

  Alterations to the rear ground floor elevation, including replacement of the existing door and two windows with timber framed French doors and windows. Replacement of existing single glazed windows with new double glazed timber windows. Replacement of the existing rear patio doors with double glazed timber doors. Formation of a new rear patio. Addition of new bin storage at front

  Received 5 Nov, published by the council 6 Nov 2026 Householder
• 26/4012/HSE Awaiting decision

  59 Hendon Way London NW2 2LX

  Two storey side and rear extension. New front porch

  5 Nov 2026 Householder