342 Preston Road, Harrow, HA3 0QJ

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

• 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
• 25/2560 Granted

  342 Preston Road, Harrow, HA3 0QJ

  Proposed two-storey side to rear extension to dwellinghouse

  Decided 15 Oct 2025 Householder

1. 13 Aug 2026

   Received by Brent

2. 17 Aug 2026

   Validated

   Checked as complete and ready for consideration.

3. 20 Aug 2026

   Added to PlanIndex

4. Decision

   Awaiting decision

   Decision expected by 12 October 2026, 8 weeks from validation under the statutory target for most applications. Extensions of time are common and are agreed case by case.

   Brent took a median of 56 days over the applications it decided in the last year.

This application is with Brent for determination, against a statutory target of eight weeks. Over the last year Brent's median decision took 56 days. More in our guide to how long planning decisions take.

The published feed does not state which type of application this is; the register entry on Brent's portal will say. Our guide explains the common types.

• 342 Preston Road, Harrow, HA3 0QJ

  26/0949 Submitted 15 Apr 2026 0m 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
  Domestic

• 350 Preston Road, Harrow, HA3 0QJ

  26/1573 Submitted 22 Jun 2026 0m away

  79% 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 ...

  Awaiting decision
  Domestic

• 350 Preston Road, Harrow, HA3 0QJ

  26/0070 Submitted 13 Jan 2026 2m 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  Withdrawn Householder Extension Loft or dormer +3 2 docs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

• 342 Preston Road, Harrow, HA3 0QJ

  25/2560 Submitted 8 Sep 2025 2m away

  Proposed two-storey side to rear extension to dwellinghouse

  Granted Householder Extension 6 docs
  Domestic

• 203 Preston Hill, Harrow, HA3 9UL

  21/0917 Submitted 15 Mar 2021 72m 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 92m 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