15 Elmcroft Gardens, London, NW9 9QP

1. 19 Jan 2026

   Received by Brent

2. 4 Feb 2026

   Validated

   Checked as complete and ready for consideration.

3. 1 Apr 2026

   Decision issued: Certificate of Lawfulness - Granted

4. 10 Aug 2026

   Added to PlanIndex

Brent granted permission on 1 April 2026, 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.

• 1 Elmcroft Gardens, London, NW9 9QP

  20/2300 Submitted 31 Jul 2020 50 yards away

  Certificate of lawfulness for proposed hip to gable end roof extension, rear dormer window and three front rooflights to dwellinghouse

  Refused Lawful development Extension Loft or dormer +1 6 docs
  Domestic

• 41 Berkeley Road, London, NW9 9DH

  24/2110 Submitted 29 Jul 2024 100 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 - 3.4m Eaves height - 3m

  Granted Prior approval Extension 4 docs
  Small domestic

• 30 Honeypot Lane, London, NW9 9QL

  20/1655 Submitted 8 Jun 2020 100 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 - 3m Eaves height - 2.9m

  Refused Prior approval Extension 4 docs
  Small domestic

• 19 Leybourne Road, London, NW9 9QG

  21/3272 Submitted 26 Aug 2021 150 yards away

  Certificate of lawfulness for proposed single storey rear extension to the dwellinghouse.

  Granted Lawful development Extension 6 docs
  Small domestic

• 29 Leybourne Road, London, NW9 9QG

  25/2970 Submitted 21 Oct 2025 150 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 - 3m Eaves height - 2.85m

  Granted Prior approval Extension 5 docs
  Small domestic

• 29 Leybourne Road, London, NW9 9QG

  26/0943 Submitted 14 Apr 2026 150 yards away

  Proposed first floor part rear extension to dwellinghouse.

  Granted Householder Extension 6 docs
  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