26/1171

1. 8 May 2026

   Received by Brent

2. 29 Jun 2026

   Decision issued: Certificate of Lawfulness - Granted

3. 25 Jul 2026

   Added to PlanIndex

Permission has been granted, usually subject to conditions listed on the decision notice, some of which must be discharged before work starts. The decision notice on the council portal sets out exactly what was approved.

Work must normally begin within three years of the decision or the permission lapses. Neighbours cannot appeal a grant; challenging one means judicial review of how the decision was made, within tight time limits.

A lawful development certificate is a legal determination, not a planning judgement. It asks the council to confirm either that existing use or works are lawful, often through the passage of time, or that a proposal would not need planning permission at all. The applicant must prove the facts; the merits of the scheme are not considered.

More on lawful development applications in our guide

• 26/0851 Granted

  Unit 2, 27 Mortimer Road, London, NW10 5QR

  Prior approval for change of use of existing artists' studio (Class E) to class C3 on existing first floor with retention of storage unit to ground floor.

  1 Apr 2026 0m away Prior approval
• 26/0935 Granted

  41 Mortimer Road, London, NW10 5QR

  Proposed rear dormer extension with juliet balcony, dormer extension to rear outrigger, raised parapet party walls, with 1x side rooflight and installation of 3x front rooflights to dwellinghouse (revised description)

  14 Apr 2026 0m away Householder
• 26/1170 Granted

  37 Mortimer Road, London, NW10 5QR

  Proposed demolition of existing rear dormer, erection of single storey side to rear wraparound extension, rear dormer extension to main roof and rear outrigger and replacement of 1x first floor rear window to the dwellinghouse.

  8 May 2026 0m away Householder
• 20/3193 Refused

  44 Mortimer Road, London, NW10 5QN

  Proposed rear side extension to outrigger of dwellinghouse

  5 Oct 2020 67m away Householder
• 26/0555 Granted

  42A Mortimer Road, London, NW10 5QN

  Proposed rear dormer extension including dormer extension to the outrigger, 3x front rooflights, juliet balcony, roof terrace with a glazed privacy screen to first floor flat.

  4 Mar 2026 67m away Full applications
• 20/1904 Refused

  56A & B Mortimer Road, London, NW10 5QN

  Retrospective application for installation of external wall insulation to side elevation of ground and first floor flats

  30 Jun 2020 67m away Full applications

• 26/1465 Granted

  8 Roe Green, London, NW9 0NY

  Certificate of lawfulness for proposed hip to gable extension and rear dormer window with 3x front rooflights to the dwellinghouse.

  10 Jun 2026 Lawful development
• 26/1370 Granted

  45 Holmstall Avenue, Edgware, HA8 5JQ

  Certificate of lawfulness for proposed use of dwellinghouse as a childrens' residential home

  1 Jun 2026 Lawful development
• 26/1260 Granted

  18 Hartland Road, London, NW6 6BJ

  Certificate of lawfulness for proposed air source heat pump to rear of dwellinghouse

  18 May 2026 Lawful development
• 26/1901 Awaiting decision

  176 Bridgewater Road, Wembley, HA0 1AR

  Certificate of lawfulness for proposed single-storey rear extension, rear dromer extension and 2x front rooflights to dwellinghouse.

  26 Jul 2026 Lawful development
• 26/1353 Granted

  4 Hardinge Road, London, NW10 3PJ

  Certificate of lawfulness for proposed conversion of existing garage into a habitable room with replacement of garage door with window to side elevation and removal of ground floor side window of the dwellinghouse

  29 May 2026 Lawful development