Welsh Harp Environmental Education Centre & open space, Birchen Grove, London, NW9 8RY

1. 25 Aug 2026

   Received by Brent

2. 14 Sep 2026

   Added to PlanIndex

3. Decision

   Awaiting decision

   Decision expected by 20 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.

• 61 & 63 Birchen Grove, London, NW9 8RY

  25/2126 Submitted 21 Jul 2025 0m away

  Single-storey rear extension to ground-floor flat and the removal of rear external staircase to include the replacement of rear door with window to first-floor flat.

  Withdrawn Full applications Extension Windows or glazing 1 doc
  Small domestic

• The Lodge, Birchen Grove, London, NW9 8RY

  20/2345 Submitted 4 Aug 2020 0m away

  Proposed demolition of existing side garage and shelter, erection of 2 x two storey side extensions and two storey rear extension works including subdivision of dwelling into two dwellinghouses, replacement of the roof, retention of off road parking spaces and associated hard and soft landscaping.

  Granted Full applications Extension Demolition 15 docs
  Several homes

• The Lodge, Birchen Grove, London, NW9 8RY

  21/0822 Submitted 8 Mar 2021 0m away

  Details pursuant to condition 6 (Construction Ecological Management Plan), 7 (details of materials for all external work), 8 (Arboricultural Method Statement and Tree Protection Plan) and 10 (details of hard and soft landscape works) of Full Planning Permission reference 20/2345 dated 15 October, 2020, for Proposed demolition of existing side garage and shelter, erection of 2 x two storey side extensions and two storey rear extension works including subdivision of dwelling into two dwellinghouses, replacement of the roof, retention of off road parking spaces and associated hard and soft landscaping.

  Refused Conditions Extension Demolition +1 8 docs
  Several homes

• 67 Birchen Grove, London, NW9 8RY

  24/1680 Submitted 18 Jun 2024 0m away

  Proposed single-storey side to rear extension to dwellinghouse

  Granted Householder Extension 4 docs
  Small domestic

• 67 Birchen Grove, London, NW9 8RY

  25/2648 Submitted 16 Sep 2025 0m away

  Proposed alterations to existing outbuilding to reduce height in rear garden to dwellinghouse

  Granted Householder 5 docs
  Small domestic

• 57, 59, 61 and 63 Birchen Grove, London, NW9 8RY

  25/3067 Submitted 31 Oct 2025 0m away

  Joint Application for single storey rear extensions for 57 & 63, replacement of rear first floor doors with windows and removal of rear stairs at numbers 59 & 61.

  Granted Full applications Extension Windows or glazing 21 docs
  Small domestic