55 Cairnfield Avenue, London, NW2 7PH

1. 1 May 2026

   Received by Brent

2. 26 May 2026

   Validated

   Checked as complete and ready for consideration.

3. 25 Jul 2026

   Added to PlanIndex

4. Decision

   Awaiting decision

   Decision expected by 21 July 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 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.

• 107 Cairnfield Avenue, London, NW2 7PH

  26/1634 Submitted 29 Jun 2026 2m away

  79% historically approved · decision due ~24 Aug

  Proposed rear dormer extension, hip to gable roof extension and installation of 2x front roofligh...

  Decided Extension Loft or dormer

• 28 Cairnfield Avenue, London, NW2 7PE

  24/1899 Submitted 9 Jul 2024 43m away

  Certificate of lawfulness for demolition existing outbuilding and erection of new single-storey outbuilding in rear garden to dwellinghouse.

  Granted Lawful development Demolition 8 docs
  Small domestic

• 94 Cairnfield Avenue, London, NW2 7PE

  21/1818 Submitted 17 May 2021 43m away

  Certificate of lawfulness for proposed rear dormer window and three front rooflights to dwellinghouse.

  Granted Lawful development Loft or dormer Windows or glazing 4 docs
  Domestic

• 44 Cairnfield Avenue, London, NW2 7PE

  26/0626 Submitted 12 Mar 2026 43m away

  Prior approval for a single storey rear extension to dwellinghouse, in metres: Extending beyond the rear wall of the original house - 5.8m Maximum height - 3m Eaves height - 2.8m

  Refused Prior approval Extension 10 docs
  Small domestic

• 22 Cairnfield Avenue, London, NW2 7PE

  26/1145 Submitted 7 May 2026 43m away

  Certificate of lawfulness for existing use of dwellinghouse as 5x bedroom 5x person HMO

  Refused Lawful development 5 docs
  Domestic

• 44 Cairnfield Avenue, London, NW2 7PE

  26/0776 Submitted 24 Mar 2026 43m away

  Prior approval for a single storey rear extension to dwellinghouse, in metres: Extending beyond the rear wall of the original house - 4.8m Maximum height - 3m Eaves height - 3m

  Granted Prior approval Extension 10 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