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Planning application

26/0972/HSE

14 Cool Oak Lane London NW9 7BJ

Granted Barnet Householder Application

Proposal

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

As published by the council, reference 26/0972/HSE

Timeline

Dates from the published record

  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

What a grant of permission means

The process from here

Permission has been granted, usually subject to conditions listed on the decision notice, some of which must be discharged before work starts. The decision notice on the council portal sets out exactly what was approved.

Work must normally begin within three years of the decision or the permission lapses. Neighbours cannot appeal a grant; challenging one means judicial review of how the decision was made, within tight time limits.

About householder applications

How this application type works

Householder applications cover work to an existing house and its garden: extensions, loft and garage conversions, porches, outbuildings and similar alterations within the boundary of the home. They cannot be used to create a separate dwelling or change what the building is used for. Councils aim to decide them within eight weeks, and immediate neighbours are usually notified and given a chance to comment.

More on householder applications in our guide

Nearby applications

Within 500 metres

  • 26/1467/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 and greenhouse. Single storey front extension

    21 Apr 2026 33m away Householder
  • 26/2113/FUL Awaiting decision

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  • 26/0849/CON Awaiting decision

    Block M West Hendon Estate West Hendon London NW9

    Submission of details of condition 28 part 2 (Remediation of Contamination) pursuant to planning permission H/01054/13 dated 20/11/13

    5 Mar 2026 157m away Conditions
  • 26/1750/192 Awaiting decision

    10 Woolmead Avenue London NW9 7BE

    Roof extension involving hip to gable, rear dormer window, 2no. front facing rooflights and new side gable window Demolition of chimney stack to rear elevation.

    11 May 2026 163m away Lawful development
  • 26/2601/PNH Awaiting decision

    49 Brent View Road London NW9 7EJ

    2no. single storey rear extensions, both with a proposed depth of 6 metres, maximum height of 3.24 metres and eaves height of 3 metres.

    10 Jul 2026 239m away Prior approval
  • 26/2600/192 Decided

    49 Brent View Road London NW9 7EJ

    Roof extension involving rear dormer window and 3no. front facing rooflights

    10 Jul 2026 239m away Lawful development

In Barnet

  • 26/2837/HSE Awaiting decision

    26 The Drive Barnet EN5 4JQ

    Single storey side and rear extension with 7no. rooflights

    31 Jul 2026 Householder
  • 26/2840/HSE Awaiting decision

    19 Wildwood Road London NW11 6UL

    Replacement of the existing front door, double glazing to existing windows and internal secondary glazing to front elevations; roof covering replacements, soffit and gutter repairs; security cameras, garden shed repairs and repainting, rear boundary hedges to 2.5m with concealed metal fencing

    31 Jul 2026 Householder
  • 26/2813/HSE Awaiting decision

    3 Delamere Gardens London NW7 3EA

    Single storey front extension incorporating a front porch, raising existing side extension floor level to match main house level, new roof with increased height to the side extension and 2no. rooflights, single storey rear extension with 4no. rooflights with new patio area, access steps to garden and hard and soft landscaping. Changes to fenestration: replacement of existing windows

    30 Jul 2026 Householder
  • 26/2812/HSE Awaiting decision

    60 Millway London NW7 3RA

    Two storey side extension linking to house and single storey rear infill extension following demolition of the existing garage. Associated alterations to roof

    30 Jul 2026 Householder
  • 26/2803/HSE Awaiting decision

    15 Poynings Way London N12 7LP

    Part single, part two storey side and rear extension. Conversion and extension of the existing garage, insertion of window to replace garage door. New front porch

    29 Jul 2026 Householder