340 Preston Road, Harrow, HA3 0QH

1. 1 Feb 2016

   Received by Brent

2. 24 Feb 2017

   Decision issued: Grant Permission

3. 20 Aug 2026

   Added to PlanIndex

Brent granted permission on 24 February 2017, 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.

A full application seeks permission for a complete, detailed proposal in one go, with siting, design, access and landscaping all fixed at this stage. More in our guide to planning application types.

• 334 Preston Road, Harrow, HA3 0QH

  24/1879 Submitted 8 Jul 2024 0m away

  Certificate of lawfulness for proposed conversion and enlargement of garage into habitable room with rear garage extension, alterations to fenestration and single storey outbuilding in rear garden of the dwellinghouse.

  Granted Lawful development Extension Windows or glazing 12 docs
  Small domestic

• 312 Preston Road, Harrow, HA3 0QH

  25/3596 Submitted 29 Dec 2025 0m away

  70% historically approved · decision due ~23 Feb

  Demolition of existing garage and erection of a three and part four storey mixed-use building with commercial space on the basement and ground floors and 8x self-contained flats on the upper floors, the installation of new vehicular access, the provision of cycle and refuse storage, a communal garden, and associated landscaping.

  Awaiting decision Full applications New dwelling Demolition 31 docs

• 318 Preston Road, Harrow, HA3 0QH

  21/0762 Submitted 3 Mar 2021 0m away

  Proposed single-storey rear extension to shop and alterations to external staircase to first-floor flat

  Granted Full applications Extension 6 docs
  Small domestic

• 336 Preston Road, Harrow, HA3 0QH

  20/2767 Submitted 8 Sep 2020 0m away

  Demolition of side garage and rear extension and erection of single-storey side and single-storey rear extensions with extension to existing dropped-kerb and associated landscaping to dwellinghouse

  Granted Householder Extension Demolition 7 docs
  Small domestic

• 43 Oxenpark Avenue, Wembley, HA9 9SY

  20/1721 Submitted 15 Jun 2020 52m away

  Proposed retention of part single-storey part two-storey side and rear extension, retention and reduction to height and depth of single storey side to rear extension, retention and reduction of height and footprint of single storey detached outbuilding, removal of rear dormer and retention of side dormer, retention of and alterations to front porch, installation of bay window to side elevation, replacement boundary treatment, alterations to fenestration and timber embellishments, and provision of soft landscaping to front forecourt of dwellinghouse

  Granted Householder Extension Loft or dormer +1 12 docs
  Small domestic

• 301 Preston Road, Harrow, HA3 0QQ

  21/1169 Submitted 30 Mar 2021 106m away

  Retrospective planning permission for conversion of dwellinghouse into 4 self-contained flats, with associated external works including a single storey front extension with UPVC window; the removal of rear windows and doors; installation of UPVC side and rear windows, rear velux windows and rear aluminium bi-fold doors; and erection of replacement rear terrace with addition of screening; ancillary car parking and amenity space.

  Granted Full applications New dwelling Extension +2 33 docs
  Small domestic

• 26/0679 Granted

  1 - 19 Sherwood, 172-174 Willesden Lane, Kilburn, London, NW6 7PJ

  Proposed replacement to front and side boundary walls and soft landscaping to block of flats.

  17 Mar 2026 Full applications
• 26/0314 Granted

  43 Wood Lane, London, NW9 8DU

  Proposed change of use from a single family dwelling (use class C3) to a care home (use class C2) for two young persons

  9 Feb 2026 Full applications
• 26/1061 Granted

  37 Lynton Road, London, NW6 6BE

  Proposed single storey side extension, enlargement of existing rear dormer extension, basement extension, replacement of side and rear windows, alterations to the fenestration, soft and hard landscaping to the front and rear gardens and installation of front lightwell to the dwellinghouse.

  27 Apr 2026 Full applications
• 26/0825 Granted

  30A-D & 32A-B Winchester Avenue, Kilburn, London, NW6 7TU

  Proposed conversion of flats within properties no. 30 and 32 into 4 x self-contained flats with erection of single storey side-to rear extension, rear dormer to main roof, dormer to rear outrigger, 4 x front rooflights, alterations to fenestration, replacement of rear balcony with Juliette balcony and retention of associated French doors, landscaping to front and rear garden and addition of cycle and refuse storage (revised description)

  30 Mar 2026 Full applications
• 25/2559 Granted

  22 & 22A Birchen Grove, London, NW9 8SA

  Proposed de-conversion of 2x self-contained flats into 1x single-family dwellinghouse, erection of single-storey rear extension with raised terrace, hip to gable-end roof extension, rear dormer with Juliet balcony, 2x front rooflights, 1x second-floor side window, alteration to single-storey side extension roof and front porch (amended description)

  8 Sep 2025 Full applications