20 Windermere Avenue, London, NW6 6LN

This site has had 2 applications since 2026: 1 approved, 0 refused.

• 26/2569 Awaiting decision

  20 Windermere Avenue, London, NW6 6LN

  We have a semi mature pine (7m) in our back garden (back left in attached photo) which we would l...

  Submitted 12 Oct 2026

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

Brent granted permission on 30 June 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.

• 6 Windermere Avenue, London, NW6 6LN

  22/0978 Submitted 15 Mar 2022 50 yards away

  Proposed single storey side infill and rear extensions to dwellinghouse

  Granted Householder Extension 6 docs
  Small domestic

• 32 Windermere Avenue, London, NW6 6LN

  21/2586 Submitted 7 Jul 2021 50 yards away

  Certificate of lawfulness for proposed single storey outbuilding/garden room at rear of dwellinghouse.

  Granted Lawful development 4 docs
  Small domestic

• 32 Windermere Avenue, London, NW6 6LN

  21/2585 Submitted 7 Jul 2021 50 yards away

  Non-material amendment (alterations to proposed fenestration to rear elevation) allowed under planning appeal ref: APP/T5150/D/20/3251302 dated 01/10/2020 of Householder reference 20/0556 for Proposed demolition of existing side extension and erection of a single storey side infill extension to dwellinghouse.

  Granted Amendments Extension Demolition +1 5 docs
  Small domestic

• 12 Windermere Avenue, London, NW6 6LN

  21/0564 Submitted 17 Feb 2021 50 yards away

  Certificate of lawfulness for existing single storey outbuilding to dwellinghouse

  Withdrawn Lawful development 2 docs
  Small domestic

• 16 Windermere Avenue, London, NW6 6LN

  25/2665 Submitted 18 Sep 2025 50 yards away

  Single storey rear infill extension, new front rooflight and alterations to openings.

  Granted Householder Extension Loft or dormer 8 docs
  Small domestic

• 12 Windermere Avenue, London, NW6 6LN

  21/1469 Submitted 21 Apr 2021 50 yards away

  Certificate of lawfulness for proposed erection of single storey rear outbuilding to dwellinghouse.

  Granted Lawful development 5 docs
  Small domestic

• 26/2300 Awaiting decision

  22 Plympton Avenue, London, NW6 7TJ

  Proposed single-storey side infill extension, replacement of ground floor rear door with window, and replacement of ground floor rear windows with sliding doors to dwellinghouse

  Received 10 Sep, published by the council 21 Sep 2026 Householder
• 26/2292 Awaiting decision

  116 Stag Lane, Edgware, HA8 5LL

  Demolition of existing side store and proposed single store side to rear extension, first floor part side and rear extension, front porch extension, hip to gable extension, rear dormer window with 4x front rooflights and removal of chimney stack to the dwellinghouse.

  Received 9 Sep, published by the council 21 Sep 2026 Householder
• 26/2264 Awaiting decision

  19 Littleton Road, Harrow, HA1 3SY

  Proposed demolition of existing garage, single storey side extension and single storey rear extension, and erection of a two-storey side extension, part single and part two storey rear extension, 1x side and 1x rear dormer extension, conversion of garage into habitable space with replacement of garage door with window, alteration to front, rear and side fenestration and removal of chimney to dwellinghouse.

  Received 7 Sep, published by the council 21 Sep 2026 Householder
• 26/2262 Awaiting decision

  1 Chestnut Grove, Wembley, HA0 2LX

  Demolition of existing conservatory, part two storey rear extension, single storey structure to side extension & front porch and erection of single-storey side to rear extension, erection of first floor rear extension, alterations to raised patio, addition of hipped roof to first-floor side extension, 1x front & 1x rear rooflight, replacement of roof tiles, alterations to fenestrations, rendering to elevations, front porch canopy with pillars, new front door & new garage door to dwellinghouse

  Received 7 Sep, published by the council 21 Sep 2026 Householder
• 26/2200 Awaiting decision

  55 Wembley Park Drive, Wembley, HA9 8HE

  Conversion of garage into part morning room & utility room with replacement of front garage door with window, proposed single-storey rear extension, part single part two-storey side infill extension, rear ground extension, roof extension, 2x side dormer and 2x rear dormer extensions, installation of 2x front rooflights and raised rear patio with steps to dwellinghouse

  Received 1 Sep, published by the council 21 Sep 2026 Householder