11 Maple Grove, London, NW9 8RD

1. 18 Nov 2025

   Received by Brent

2. 26 Nov 2025

   Validated

   Checked as complete and ready for consideration.

3. 22 Dec 2025

   Decision issued: Certificate of Lawfulness - Granted

4. 11 Aug 2026

   Added to PlanIndex

Brent granted permission on 22 December 2025, subject to any conditions on the decision notice. Work must normally begin within three years or the permission lapses. More in our guide to what happens after a planning decision.

A lawful development certificate is a legal determination that existing or proposed works do not need planning permission; the merits of the scheme are not considered. More in our guide to planning application types.

• 27 Maple Grove, London, NW9 8RD

  20/3324 Submitted 14 Oct 2020 50 yards away

  Prior approval for a single storey rear extension to dwellinghouse, in metres: Extending beyond the rear wall of the original house - 6m Maximum height - 4m Eaves height - 3m

  Granted Prior approval Extension 4 docs
  Small domestic

• 27 Maple Grove, London, NW9 8RD

  21/0290 Submitted 28 Jan 2021 50 yards away

  Certificate of lawfulness for proposed reduction to garage and single storey rear extension to dwellinghouse

  Granted Lawful development Extension 5 docs
  Small domestic

• 1 Maple Grove, London, NW9 8RD

  21/3212 Submitted 20 Aug 2021 50 yards away

  Certificate of lawfulness for hipped to gable-end roof alteration, with a rear dormer window and THREE(3) front rooflights to dwellinghouse.

  Granted Lawful development Loft or dormer Windows or glazing 6 docs
  Domestic

• 1 Maple Grove, London, NW9 8RD

  21/3752 Submitted 5 Oct 2021 50 yards away

  single storey side extension with pitched roof to dwellinghouse.

  Refused Householder Extension 6 docs
  Small domestic

• 27 Maple Grove, London, NW9 8RD

  20/4042 Submitted 7 Dec 2020 50 yards away

  Proposed garage conversion and single storey rear extension to dwellinghouse

  Withdrawn Householder Extension 2 docs
  Small domestic

• 27 Maple Grove, London, NW9 8RD

  21/2334 Submitted 22 Jun 2021 50 yards away

  Proposed conversion of garage to habitable room and single storey side infill extension to dwellinghouse.

  Withdrawn Householder Extension 2 docs
  Small domestic

• 26/2285 Awaiting decision

  137 Chatsworth Road, London, NW2 5QT

  Certificate of lawfulness for proposed use as supported housing

  Received 8 Sep, published by the council 21 Sep 2026 Lawful development
• 26/2277 Awaiting decision

  65 The Avenue, Wembley, HA9 9PH

  Certificate of lawfulness for proposed conversion of outbuilding into a gym and sauna and extension to the outbuilding in rear garden of the dwellinghouse.

  Received 8 Sep, published by the council 21 Sep 2026 Lawful development
• 26/2199 Awaiting decision

  Flat 8, 399 Neasden Lane North, London, NW10 0BD

  Certificate of lawfulness for existing use of rear unit 8 as a self-contained flat.

  Received 2 Sep, published by the council 21 Sep 2026 Lawful development
• 26/2093 Awaiting decision

  17 Buller Road, London, NW10 5BS

  Certificate of lawfulness for proposed alterations to front, side and rear fenestrations including installation of ground floor side oriel window and rear timber door to dwellinghouse

  Received 18 Aug, published by the council 21 Sep 2026 Lawful development
• 26/1208 Granted

  50 Ballogie Avenue, London, NW10 1TA

  Certificate of lawfulness for proposed rear dormer extension, hip to gable roof extension, alteration to fenestration and installation of rooflights to the dwellinghouse

  Received 13 May, published by the council 25 Jul 2026 Lawful development