35 Birchen Grove, London, NW9 8RT

1. 29 Sep 2025

   Received by Brent

2. 13 Oct 2025

   Validated

   Checked as complete and ready for consideration.

3. 8 Dec 2025

   Decision issued: Permission Granted

4. 11 Aug 2026

   Added to PlanIndex

Brent granted permission on 8 December 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.

• 25 Birchen Grove, London, NW9 8RT

  26/0301 Submitted 7 Feb 2026 50 yards away

  Certificate of lawfulness for proposed hip to gable extension, rear dormer window with 3x front rooflights to the dwellinghouse.

  Granted Lawful development Extension Loft or dormer +1 5 docs
  Domestic

• 15 Birchen Grove, London, NW9 8RT

  21/2400 Submitted 25 Jun 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 - 3.25m Eaves height - 3m

  Granted Prior approval Extension 8 docs
  Small domestic

• 15 Birchen Grove, London, NW9 8RT

  21/3876 Submitted 15 Oct 2021 50 yards away

  Prior approval for a single storey rear and single storey side to rear extensions to dwellinghouse, in metres: Extending beyond the rear wall of the original house - 6m & 6m Maximum height - 3.25m & 3.25m Eaves height - 3m & 3m

  Granted Prior approval Extension 9 docs
  Small domestic

• 15 Birchen Grove, London, NW9 8RT

  21/3191 Submitted 19 Aug 2021 50 yards away

  Certificate of lawfulness for proposed erection of single storey side and single storey rear extension to dwellinghouse

  Refused Lawful development Extension 9 docs
  Small domestic

• 14 Old Church Lane, London, NW9 8TD

  21/2624 Submitted 8 Jul 2021 100 yards away

  Retrospective application for single-storey side extension; redesign of front garden to include hard and soft landscaping, and associated boundary treatment with gated accesses, and supporting pillars to the dwellinghouse.

  Refused Householder Extension 5 docs
  Small domestic

• 20 Old Church Lane, London, NW9 8TD

  22/3710 Submitted 31 Oct 2022 100 yards away

  Proposed installation of new first-floor front opening with timber window and replacement of all front uPVC windows with timber windows to dwellinghouse (amended description)

  Granted Householder Windows or glazing 13 docs
  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