27 Windermere Avenue, London, NW6 6LP

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

• 26/1783 Granted

  27 Windermere Avenue, London, NW6 6LP

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

  Decided 7 Sep 2026

1. 23 Oct 2026

   Received by Brent

2. 27 Oct 2026

   Validated

   Checked as complete and ready for consideration.

3. 2 Nov 2026

   Added to PlanIndex

4. Decision

   Awaiting decision

   Decision expected by 22 December 2026, 8 weeks from validation under the statutory target for most applications. Extensions of time are common and are agreed case by case.

   Brent took a median of 56 days over the applications it decided in the last year.

This application is with Brent for determination, against a statutory target of eight weeks. Over the last year Brent's median decision took 56 days. More in our guide to how long planning decisions take.

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

• 15 Windermere Avenue, London, NW6 6LP

  26/2076 Submitted 14 Aug 2026 50 yards away

  T1 Japanese Maple (Front Garden): Fell in sections to ground level and treat the stump with eco-p...

  Granted 2 docs

• 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