16 Windermere Avenue, London, NW6 6LN

1. 18 Sep 2025

   Received by Brent

2. 25 Sep 2025

   Validated

   Checked as complete and ready for consideration.

3. 7 Nov 2025

   Decision issued: Permission Granted

4. 11 Aug 2026

   Added to PlanIndex

Brent granted permission on 7 November 2025, 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 0m away

  Proposed single storey side infill and rear extensions to dwellinghouse

  Granted Householder Extension 6 docs
  Small domestic

• 32 Windermere Avenue, London, NW6 6LN

  21/2585 Submitted 7 Jul 2021 0m 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 0m away

  Certificate of lawfulness for existing single storey outbuilding to dwellinghouse

  Withdrawn Lawful development 2 docs
  Small domestic

• 12 Windermere Avenue, London, NW6 6LN

  21/1469 Submitted 21 Apr 2021 0m away

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

  Granted Lawful development 5 docs
  Small domestic

• 20 Windermere Avenue, London, NW6 6LN

  26/1071 Submitted 27 Apr 2026 0m away

  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

  Granted Householder Extension Loft or dormer +1 14 docs
  Small domestic

• 27 Windermere Avenue, London, NW6 6LP

  26/1783 Submitted 13 Jul 2026 28m away

  79% historically approved · decision due ~7 Sep

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

  Awaiting decision Extension Loft or dormer
  Small domestic

• 26/0944 Refused

  11 Briar Road, Harrow, HA3 0DP

  Retention of two-storey side extension with associated front balcony; conversion of attached garage to habitable room; part single-storey side infill extension; single-storey rear extension with raised patio; installation of 3x side rooflights & 1x rear rooflight; replacement of roof-tiles, front door, external windows, garage door and chimney stack; installation of external lighting to the front elevation; and installation of 4x retractable bollards, hardstanding, associated soft-landscaping, drainage channels and soakaway within forecourt of dwellinghouse (amended description)

  14 Apr 2026 Householder
• 26/0945 Granted

  11 Briar Road, Harrow, HA3 0DP

  Proposed two-storey side extension with associated front balcony; conversion of attached garage to habitable room; part single-storey side infill extension; single-storey rear extension with raised patio; installation of 3x side rooflights & 2x rear rooflights; replacement of roof-tiles; retention of front door; alterations to external windows; replacement of uPVC garage door with timber garage door; removal of external lighting on front elevation; reinstatement of chimney stack; and installation of hardstanding, associated soft landscaping, drainage channels and soakaway within forecourt of dwellinghouse (amended description)

  14 Apr 2026 Householder
• 26/0859 Granted

  56 Okehampton Road, London, NW10 3EP

  Proposed demolition of side garage, erection of two storey side extension, replacement of rear doors to ground floor, replacement of 4x windows and removal of 1x window and 1x door to side elevation, new front boundary wall and bin storage to front garden.

  2 Apr 2026 Householder
• 26/1190 Refused

  244 Willesden Lane, Willesden, London, NW2 5RE

  Demolition of conservatory and shed, and erection of a single-storey side infill and rear extension, installation of a door to the side elevation and erection of a new masonry side boundary wall to the dwellinghouse.

  12 May 2026 Householder
• 26/0867 Refused

  14 Mount Pleasant Road, London, NW10 3EL

  Proposed erection of boundary wall, a bin store, pedestrian and vehicular access gates, associated hard and soft landscaping to front garden (revised description)

  2 Apr 2026 Householder