54 Roundwood Road, London, NW10 9TJ

1. 18 Mar 2021

   Received by Brent

2. 13 May 2021

   Decision issued: Certificate of Lawfulness - Granted

3. 20 Aug 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

• 66B Roundwood Road, London, NW10 9TJ

  20/3483 Submitted 28 Oct 2020 0m away

  Rear dormer window and 2 front rooflights to convert loft into habitable space to first floor flat

  Granted Full applications Loft or dormer Windows or glazing 4 docs

• 30B Roundwood Road, London, NW10 9TJ

  26/1970 Submitted 3 Aug 2026 2m away

  79% historically approved · decision due ~23 Oct

  Certificate of lawfulness for existing replacement of 1x window with combined 1x door and 2x side...

  Awaiting decision Windows or glazing

• 34 Oldfield Road, London, NW10 9UE

  20/2607 Submitted 24 Aug 2020 48m away

  Certificate of lawfulness for proposed loft conversion with rear dormer window, roof extension over outrigger and insertion of 3 x front rooflights to small HMO (Use Class C4).

  Refused Lawful development Extension Loft or dormer +1 6 docs

• 36B Oldfield Road, London, NW10 9UE

  20/3596 Submitted 5 Nov 2020 48m away

  CONSTRUCTION OF SIDE AND REAR EXTENSION GROUND FLOOR FLAT AT 36B OLDFIELD ROAD.

  Granted Householder Extension 10 docs
  Domestic

• 21 Oldfield Road, London, NW10 9UD

  20/2967 Submitted 21 Sep 2020 77m away

  Creation of first floor rear balcony area with replacement of rear window with door and installation of balustrade panels

  Refused Full applications Windows or glazing 9 docs

• 9 Roundwood Road, London, NW10 9TT

  20/1318 Submitted 1 May 2020 135m away

  Proposed conversion of dwellinghouse into 2 flats by the addition of extra door in front elevation and provision of extra cycle storage and garbage container storage to the front of building

  Withdrawn Full applications New dwelling 2 docs
  Several homes

• 26/0783 Granted

  3 Hamilton Road, London, NW10 1NU

  Certificate of lawfulness for existing single-storey rear extension to dwellinghouse

  26 Mar 2026 Lawful development
• 26/1946 Awaiting decision

  120 Gladstone Park Gardens, London, NW2 6RL

  Certificate of lawfulness for proposed rear dormer extension with Juliet balcony, hip to gable roof extension, installation of 1x window to side elevation and 2x front rooflights to dwellinghouse.

  30 Jul 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

  13 May 2026 Lawful development
• 26/1015 Refused

  5 Midholm, Wembley, HA9 9LJ

  Certificate of lawfulness for proposed installation of solar panels to the side and rear roofslope of the dwellinghouse.

  23 Apr 2026 Lawful development
• 26/1176 Refused

  47 Barn Rise, Wembley, HA9 9NH

  Certificate of lawfulness for proposed single storey outbuilding in rear garden of the dwellinghouse.

  11 May 2026 Lawful development