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

  77% historically approved · decision due ~16 Jun

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

  Awaiting decision Householder Extension Demolition 14 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 100 yards away

  79% historically approved · decision due ~21 Aug

  Installation of 1no. internally illuminated digital display panel

  Awaiting decision Advertising

• 26/3422/HSE Awaiting decision

  Revelstroke 28 Totteridge Village London N20 8JN

  Construction of a swimming pool and associated hard and soft landscaping following demolition of the existing shed including new access steps. Alterations to the ground level. Replacement of an existing timber decking terrace with a paved terrace.

  18 Sep 2026 Householder
• 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
• 26/3415/HSE Awaiting decision

  11 Downage London NW4 1AS

  Alterations and extensions to the roof including rear dormer window and the partial removal of the roof of the first floor rear extension, creation of a new crown roof over main roof and rear extension, 1no. front, 1no. side, 1no. rear facing rooflight and 1no. on crown roof

  Received 17 Sep, published by the council 18 Sep 2026 Householder
• 26/3382/HSE Awaiting decision

  11 Layfield Crescent London NW4 3UJ

  Part single, part two storey rear extension with flat roof and 1no. skylight

  Received 16 Sep, published by the council 18 Sep 2026 Householder