3 Lennox Gardens, London, NW10 1AA

This site has had 5 applications since 2020: 1 approved, 2 refused.

• 26/1452 Decided

  3 Lennox Gardens, London, NW10 1AA

  Proposed conversion of garage into habitable room and conversion of dwellinghouse into 6 bedroom ...

  Submitted 10 Jun 2026
• 26/0113 Refused

  3 Lennox Gardens, London, NW10 1AA

  Proposed conversion of dwellinghouse into a 5 bedroom 9 person house in multiple occupation (HMO) (Retrospective)

  Decided 24 Mar 2026 Full applications
• 20/3919 Refused

  3 Lennox Gardens, London, NW10 1AA

  Demolition of garage and erection of a single and two storey side and rear extension to dwellinghouse

  Decided 15 Feb 2021 Householder
• 20/3373 Granted

  3 Lennox Gardens, London, NW10 1AA

  Certificate of lawfulness for proposed hip to gable loft conversion with rear dormer window and three front rooflights to dwellinghouse.

  Decided 16 Dec 2020 Lawful development

1. 30 Sep 2025

   Received by Brent

2. 29 Oct 2025

   Validated

   Checked as complete and ready for consideration.

3. 11 Aug 2026

   Added to PlanIndex

4. Decision

   Awaiting decision

   Decision expected by 24 December 2025, 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 decided full applications in a median of 69 days. More in our guide to how long planning decisions take.

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.

• 13 Lennox Gardens, London, NW10 1AA

  20/2620 Submitted 25 Aug 2020 0m away

  Prior approval for a single storey rear extension to dwellinghouse, in metres: Extending beyond the rear wall of the original house - 4m Maximum height - 3.90m Eaves height - 3m

  Refused Prior approval Extension 5 docs
  Small domestic

• 13 Lennox Gardens, London, NW10 1AA

  20/2621 Submitted 25 Aug 2020 0m away

  Certificate of lawfulness for proposed hip to gable loft conversion with rear dormer window, two front rooflights, and 1 gable end side elevation window to dwellinghouse

  Granted Lawful development Loft or dormer Windows or glazing 7 docs
  Domestic

• 13 Lennox Gardens, London, NW10 1AA

  20/3176 Submitted 2 Oct 2020 0m away

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

  Granted Prior approval Extension 5 docs
  Small domestic

• 3 Lennox Gardens, London, NW10 1AA

  20/3373 Submitted 19 Oct 2020 0m away

  Certificate of lawfulness for proposed hip to gable loft conversion with rear dormer window and three front rooflights to dwellinghouse.

  Granted Lawful development Loft or dormer Windows or glazing 8 docs
  Domestic

• 3 Lennox Gardens, London, NW10 1AA

  20/3919 Submitted 12 Feb 2021 0m away

  Demolition of garage and erection of a single and two storey side and rear extension to dwellinghouse

  Refused Householder Extension Demolition 10 docs
  Domestic

• 3 Lennox Gardens, London, NW10 1AA

  26/0113 Submitted 19 Jan 2026 0m away

  Proposed conversion of dwellinghouse into a 5 bedroom 9 person house in multiple occupation (HMO) (Retrospective)

  Refused Full applications 9 docs
  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