24B Summerfield Avenue, London, NW6 6JY

1. 21 Sep 2026

   Received by Brent

2. 29 Sep 2026

   Validated

   Checked as complete and ready for consideration.

3. 5 Oct 2026

   Added to PlanIndex

4. Decision

   Awaiting decision

   Decision expected by 24 November 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.

• 40 Summerfield Avenue, London, NW6 6JY

  25/2531 Submitted 4 Sep 2025 50 yards away

  Proposed installation of 3x windows to the side elevation and 1x front rooflight to dwellinghouse.

  Granted Householder Loft or dormer Windows or glazing 17 docs
  Domestic

• 38 Summerfield Avenue, London, NW6 6JY

  25/2982 Submitted 21 Oct 2025 50 yards away

  Demolition of shower room and conservatory and proposed single storey side to rear extension to the dwellinghouse.

  Granted Householder Extension Demolition 5 docs
  Small domestic

• 27 Summerfield Avenue, London, NW6 6JT

  21/1825 Submitted 18 May 2021 50 yards away

  Proposed loft conversion with rear dormer windows, single storey rear and side extension with glass roof, replacement of front, side and rear windows, 1 front rooflight, raised planting and new patio at rear of dwellinghouse.

  Granted Householder Extension Loft or dormer +2 14 docs
  Small domestic

• 5 Summerfield Avenue, London, NW6 6JT

  20/3263 Submitted 12 Oct 2020 50 yards away

  Proposed demolition of existing rear lean-to, erection ground floor wrap-around extension; loft conversion with rear dormer window and the insertion of one front rooflight and three rear rooflights to dwellinghouse

  Granted Householder Extension Loft or dormer +2 7 docs
  Domestic

• 9 Summerfield Avenue, London, NW6 6JT

  24/2338 Submitted 21 Aug 2024 50 yards away

  Non-material amendment: Change position of 2nd floor front rooflight. Lower basement level to accommodate detailed floor constructions. New rear lightwell to basement. Ground floor extension rooflights rearranged. Design of rear elevation updated. 2nd floor dormer made smaller. of Full Planning Permission reference 23/1425 dated 25 October, 2023, for Proposed creation of basement level with front lightwell, single storey wraparound rear extension with internal courtyard and rear patio, loft conversion with rear dormer and 1 front rooflight, replacement of ground and first floor front windows, new front boundary treatment and associated landscaping

  Refused Amendments Extension Loft or dormer +1 12 docs
  Small domestic

• 37 Summerfield Avenue, London, NW6 6JT

  26/0267 Submitted 3 Feb 2026 50 yards away

  Non material amendment to allow: Change of external materials Reconfiguration of layout of single-storey side infill and rear wraparound extension of Householder planning permission application reference 24/2161 dated 18/11/2024 for Proposed single-storey side infill and rear extension to form a wraparound extension, rear dormer window extension, replacement roof coverings, replacement windows to front and rear elevations, alterations to front boundary wall, cycle and refuse storage and soft and hard landscaping to front, rear courtyard at ground floor and green roof at first floor, installation of 4x rooflights to rear outrigger and installation of 1x rooflight to front of dwellinghouse

  Refused Amendments Extension Loft or dormer +2 12 docs
  Small domestic