39 Herbert Gardens, London, NW10 3BX

1. 15 Dec 2025

   Received by Brent

2. 29 Jan 2026

   Decision issued: Certificate of Lawfulness - Granted

3. 10 Aug 2026

   Added to PlanIndex

Brent granted permission on 29 January 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.

• Land Adj to 1 and 1A, Herbert Gardens, London, NW10 3BX

  21/1238 Submitted 6 Apr 2021 50 yards away

  Proposed erection of 2 x 3 storey dwellinghouses with habitable loft spaces and rear dormer windows, removal of existing vehicle crossover and creation of 2 x new vehicle crossovers to provide off road parking spaces, front and rear gardens, cycle and waste storage in front garden areas and associated hard and soft landscaping.

  Granted Full applications Loft or dormer Windows or glazing 13 docs

• 71 Herbert Gardens, London, NW10 3BX

  26/0060 Submitted 12 Jan 2026 50 yards away

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

  Granted Lawful development Extension 5 docs
  Small domestic

• 55 Herbert Gardens, London, NW10 3BX

  21/0732 Submitted 1 Mar 2021 50 yards away

  Certificate of lawfulness for proposed rear dormer window with Juliet balcony and two front rooflights and replacement of existing rear ground floor projection with new ground floor rear extension to dwellinghouse

  Granted Lawful development Extension Loft or dormer +1 4 docs
  Domestic

• 71 Herbert Gardens, London, NW10 3BX

  25/3460 Submitted 12 Dec 2025 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 - 3.13m Eaves height - 3m

  Granted Prior approval Extension 3 docs
  Small domestic

• 3B Herbert Gardens, London, NW10 3BX

  25/3089 Submitted 3 Nov 2025 50 yards away

  Proposed reinstatement of side and rear windows, rear dormer extension with juliet balcony, dormer to rear outrigger with juliet balcony, rear terrace with glass balustrade and 3x front rooflights to first floor flat

  Granted Full applications Extension Loft or dormer +1 13 docs

• 6B Herbert Gardens, London, NW10 3BU

  26/1636 Submitted 29 Jun 2026 50 yards away

  Proposed rear dormer extension with juliet balcony, dormer extension to rear outrigger, roof terr...

  Granted Extension Loft or dormer 5 docs

• 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