15 Windermere Avenue, London, NW6 6LP

1. 14 Aug 2026

   Received by Brent

2. 20 Aug 2026

   Added to PlanIndex

3. 11 Sep 2026

   Decision issued: Permission Granted

4. 11 Sep 2026

   Status changed to Awaiting decision

   Previously Registered.

5. 11 Sep 2026

   Status changed to Decided

   Previously Awaiting decision.

Brent granted permission on 11 September 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.

The published feed does not state which type of application this is; the register entry on Brent's portal will say. Our guide explains the common types.

• 27 Windermere Avenue, London, NW6 6LP

  26/1783 Submitted 13 Jul 2026 50 yards away

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

  Granted Extension Loft or dormer 4 docs
  Small domestic

• 17 Windermere Avenue, London, NW6 6LP

  21/1923 Submitted 25 May 2021 50 yards away

  Demolition of existing sunroom, erection of new single storey side return extension, single storey rear extension and new habitable basement extension. Replacement of side ground floor window, rear dormer windows and new rooflight to rear projection of dwellinghouse.

  Granted Householder Extension Loft or dormer +2 6 docs
  Small domestic

• 5 Windermere Avenue, London, NW6 6LP

  24/2645 Submitted 20 Sep 2024 50 yards away

  Demolition of existing conservatory and proposed erection of single-storey rear extension with 1x rooflight to flat roof to ground floor flat

  Granted Full applications Extension Loft or dormer +1 9 docs
  Small domestic

• 19 Windermere Avenue, London, NW6 6LP

  21/3042 Submitted 9 Aug 2021 50 yards away

  Proposed single storey side infill and rear extension, all single glazed sash windows to be replaced with double glazed sash windows, rear dormer window with sliding doors, 2 front and 2 side rooflights to dwellinghouse.

  Refused Householder Extension Loft or dormer +1 4 docs
  Small domestic

• 23 Windermere Avenue, London, NW6 6LP

  24/1996 Submitted 18 Jul 2024 50 yards away

  Erection of single storey side-infill and rear wrap-around extension, replacement of main roof, rear outrigger roof, rear dormer roof and 2 x front rooflights, addition of x 3 rooflights to rear outrigger roof, alteration to first floor side facing fenestration and replacement of all existing windows to dwellinghouse. (Revised Description)

  Granted Householder Extension Loft or dormer +1 10 docs
  Small domestic

• 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