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Planning application

26/1071

20 Windermere Avenue, London, NW6 6LN

Granted Brent Householder

Proposal

Proposed demolition of rear conservatory, erection of single-storey side extension, single-storey rear extension, rear dormer extension, and installation of 2x rooflights to rear outrigger and 1x rear rooflight to dwellinghouse

As published by the council, reference 26/1071

Timeline

Dates from the published record

  1. 27 Apr 2026

    Received by Brent

  2. 5 May 2026

    Validated

    Checked as complete and ready for consideration.

  3. 30 Jun 2026

    Decision issued: Permission Granted

  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

  • 26/1783 Awaiting decision

    27 Windermere Avenue, London, NW6 6LP

    Proposed single-storey side to rear extension, 1x front rooflight, 1x rear rooflight to dwellinghouse.

    13 Jul 2026 28m away Householder
  • 20/3838 Granted

    15 Hopefield Avenue, London, NW6 6LJ

    Replacement of modern metal framed bi-fold doors with new contemporary sliding doors, replacement of modern metal framed rooflight to side-return with contemporary glazed rooflight to dwellinghouse

    23 Nov 2020 47m away Householder
  • 26/1318 Granted

    37 Hopefield Avenue, London, NW6 6LJ

    (T1) Ash - Reduce crown back to previous growth points 3m of height and 2m of width and remove ivy

    26 May 2026 47m away Trees
  • 20/4029 Granted

    34B Hopefield Avenue, London, NW6 6LH

    Replacement of uPVC windows with double glazed steel framed windows to front and rear of first and second floor, alterations to rear elevation to include removal of one first floor window and installation rear rooflights to maisonette

    7 Dec 2020 75m away Full applications
  • 26/0634 Granted

    36 Hopefield Avenue, London, NW6 6LH

    Proposed single storey outbuilding in the rear garden of the dwellinghouse.

    13 Mar 2026 75m away Householder
  • 20/2888 Granted

    26 Hopefield Avenue, London, NW6 6LH

    Proposed single storey rear and single storey side extension with 1 x rooflight; new boundary wall and timber fence to rear of dwellinghouse

    15 Sep 2020 75m away Householder

In Brent

  • 26/1333 Granted

    20 Honeyman Close, London, NW6 7AZ

    Erection of proposed rear dormer to main roof of dwellinghouse

    27 May 2026 Householder
  • 26/1383 Granted

    24 Uxendon Hill, Wembley, HA9 9RX

    Proposed single storey outbuilding in the rear garden to the dwellinghouse (retrospective).

    3 Jun 2026 Householder
  • 26/1092 Granted

    15 Station Approach, Wembley, HA0 2LA

    Proposed demolition of existing outbuilding, erection of single storey outbuilding in rear garden and installation of a new front boundary wall to the dwellinghouse (retrospective).

    29 Apr 2026 Householder
  • 26/0997 Granted

    81 Sudbury Court Drive, Harrow, HA1 3SS

    Proposed conversion of garage into a habitable room and replacing garage door with a window to dwellinghouse.

    22 Apr 2026 Householder
  • 26/0963 Granted

    8 Ravenscroft Avenue, Wembley, HA9 9TL

    Proposed single-storey rear extension, hip-to-gable roof extensions with rear dormer, installation of 1x solar panel and 3x rooflights to front 2x solar panels and raised rear patio with decking to rear to dwellinghouse

    17 Apr 2026 Householder