15 Alexander Avenue, London, NW10 3QT

This site has had 2 applications since 2025: 1 approved, 1 refused.

• 26/0965 Granted

  15 Alexander Avenue, London, NW10 3QT

  Proposed part single part two-storey rear extension with 2x lantern rooflights and first floor Juliet balcony, rear basement extension, two-storey front extension, first floor front balcony and alterations to front bay windows, 2x hip to gable roof extensions, rear dormer extension with 3x Juliet balconies, replacement of roof tiles, 4x front rooflights, conversion of garage into store room, rendering to all elevations, brickwork to ground floor front elevation, alterations to fenestration, raised decking to rear, alteration to front boundary wall and hard and soft landscaping to front drive and rear garden of dwellinghouse.

  Decided 4 Aug 2026 Householder

1. 18 Sep 2025

   Received by Brent

2. 14 Oct 2025

   Validated

   Checked as complete and ready for consideration.

3. 5 Jan 2026

   Decision issued: Permission Refused

4. 11 Aug 2026

   Added to PlanIndex

Brent refused this application for the reasons on the decision notice; only the applicant can appeal, and refused schemes often return in revised form. 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.

• 17 Alexander Avenue, London, NW10 3QT

  21/3539 Submitted 20 Sep 2021 50 yards away

  Prior approval for a single storey rear extension to dwellinghouse, in metres: Extending beyond the rear wall of the original house - 6m Maximum height - 4m Eaves height - 3m

  Granted Prior approval Extension 4 docs
  Small domestic

• 15 Alexander Avenue, London, NW10 3QT

  26/0965 Submitted 17 Apr 2026 50 yards away

  Proposed part single part two-storey rear extension with 2x lantern rooflights and first floor Juliet balcony, rear basement extension, two-storey front extension, first floor front balcony and alterations to front bay windows, 2x hip to gable roof extensions, rear dormer extension with 3x Juliet balconies, replacement of roof tiles, 4x front rooflights, conversion of garage into store room, rendering to all elevations, brickwork to ground floor front elevation, alterations to fenestration, raised decking to rear, alteration to front boundary wall and hard and soft landscaping to front drive and rear garden of dwellinghouse.

  Granted Householder Extension Loft or dormer +2 10 docs
  Small domestic

• 29 Alexander Avenue, London, NW10 3QT

  26/0586 Submitted 9 Mar 2026 50 yards away

  Proposed removal of a front brick boundary wall, addition of metal gate, railing and brick piers with soft and hard landscaping to front garden of dwellinghouse.

  Granted Householder 6 docs
  Small domestic

• 29 Alexander Avenue, London, NW10 3QT

  26/0578 Submitted 6 Mar 2026 50 yards away

  Proposed demolition of side utility room, rear kitchen, dressing room and ensuite, erection of double storey side and rear extension, enlargement of rear dormer, repositioning of 1x front rooflight, addition of 4x side rooflights, design of a new roof, alterations to rear and side fenestration, addition of cycle storage and glass summerhouse to rear garden of the dwellinghouse.

  Granted Householder Extension Loft or dormer +3 8 docs
  Domestic

• 3 Alexander Avenue, London, NW10 3QT

  26/0570 Submitted 6 Mar 2026 50 yards away

  Proposed demolition of existing dwellinghouse, erection of two-storey detached dwelling with basement and converted loft space, proposed pv panels to the side roof slope, addition of bin and cycle storage, soft and hard landscaping and boundary wall to front and rear garden (amended)

  Refused Full applications New dwelling Demolition 3 docs
  Small domestic

• 27 Alexander Avenue, London, NW10 3QT

  25/3550 Submitted 19 Dec 2025 50 yards away

  Non material amendment (Alteration to side extension comprising single-storey rear extension) of Householder planning permission application reference 25/1203 dated 16/06/2025 for Proposed conversion of garage into habitable room, removal of garage door and replaced with a window, single storey side infill extension to the dwellinghouse

  Granted Amendments Extension Windows or glazing 4 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
• 26/2260 Awaiting decision

  19 Mitchell Way, London, NW10 0PT

  Proposed two storey rear extension and front porch extension with canopy to dwellinghouse.

  Received 4 Sep, published by the council 21 Sep 2026 Householder