342 Preston Road, Harrow, HA3 0QJ

This site has had 3 applications since 2025: 1 approved, 0 refused.

• 26/2054 Decided

  342 Preston Road, Harrow, HA3 0QJ

  Proposed change of use from single-family dwellinghouse (Use Class C3) to 5-bedroom/9-person Hous...

  Submitted 13 Aug 2026
• 26/0949 Decided

  342 Preston Road, Harrow, HA3 0QJ

  Proposed change of use from single-family dwellinghouse to 8-bedroom/10-person House in Multiple ...

  Submitted 15 Apr 2026

1. 8 Sep 2025

   Received by Brent

2. 15 Oct 2025

   Decision issued: Permission Granted

3. 11 Aug 2026

   Added to PlanIndex

Brent granted permission on 15 October 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.

• 350 Preston Road, Harrow, HA3 0QJ

  26/0070 Submitted 13 Jan 2026 50 yards away

  Proposed demolition of existing garage, and front porch and erection of front porch, part single part two-storey side to rear extension, roof alterations including 4x side dormers, 4x roof lights and 1x dormer to rear with juliet balcony, patio to rear and alterations to front rear and side fenestration and render finishes to dwellinghouse. (Revised Description)

  Withdrawn Householder Extension Loft or dormer +3 2 docs
  Small domestic

• 350 Preston Road, Harrow, HA3 0QJ

  26/1573 Submitted 22 Jun 2026 50 yards away

  72% historically approved · decision due ~21 Aug

  Proposed change of use from a single family dwelling (use class C3) to a care facility for up to 6 young persons ages 12-18 years old with learning disabilities and complex needs (use class C2). Associated works to include the demolition of existing garage, and front porch and erection of front porch, part single part two-storey side to rear extension, roof alterations including side dormers, rear dormer, installation of rooflights, alterations to fenestrations, landscaping alterations and front boundary fencing.

  Awaiting decision Full applications Extension Loft or dormer +2 29 docs
  Small domestic

• 342 Preston Road, Harrow, HA3 0QJ

  26/2054 Submitted 13 Aug 2026 50 yards away

  79% historically approved · decision due ~12 Oct

  Proposed change of use from single-family dwellinghouse (Use Class C3) to 5-bedroom/9-person Hous...

  Decided 10 docs
  Domestic

• 342 Preston Road, Harrow, HA3 0QJ

  26/0949 Submitted 15 Apr 2026 50 yards away

  79% historically approved · decision due ~14 Jul

  Proposed change of use from single-family dwellinghouse to 8-bedroom/10-person House in Multiple ...

  Decided 6 docs
  Domestic

• 203 Preston Hill, Harrow, HA3 9UL

  21/0917 Submitted 15 Mar 2021 100 yards away

  Hip to gable roof extension including 3 front rooflights and rear dormer roof extension with Juliet balcony to the dwellinghouse

  Granted Householder Extension Loft or dormer 11 docs
  Domestic

• 214 Preston Hill, Harrow, HA3 9UJ

  20/3447 Submitted 26 Oct 2020 100 yards away

  Certificate of lawfulness for proposed change of use from dwellinghouse (Use class C3) to 6 bedroom/6 person house in multiple occupancy (Use Class C4)

  Refused Lawful development 4 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