Flat 14 35 Bryanston Square London W1H 2DZ

1. 27 Nov 2025

   Received by Westminster

2. 16 Mar 2026

   Decision issued: Application Permitted

3. 20 Jul 2026

   Added to PlanIndex

Westminster granted permission on 16 March 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.

• Open Space Bryanston Square London W1H 2DY

  26/01103/TCA Submitted 23 Feb 2026 50 yards away

  100% historically approved · decision due ~20 Apr

  t1 mature London Plane Prune back to kerb line approx 3 -4 meters back from building . maintenance

  Awaiting decision Trees 7 docs

• Open Space Bryanston Square London W1H 2DY

  26/01103/TPO Submitted 23 Feb 2026 50 yards away

  100% historically approved · decision due ~20 Apr

  t1 mature London Plane Prune back to kerb line approx 3 -4 meters back from building . maintenance

  Awaiting decision Trees 7 docs

• Vincent Court Seymour Place London W1H 2ND

  25/08720/FULL Submitted 28 Nov 2025 50 yards away

  87% historically approved · decision due ~23 Jan

  Erection of single storey roof extension to create new third floor level to provide 8 self contained units (Class C3) together with the erection of four lift enclosures to the front elevation, refurbishment of the main entrances, replacement windows, provision of roof terraces, bike storage, bin storage and other associated works.

  Awaiting decision Full applications Extension Windows or glazing 35 docs
  Small domestic

• Flat 2 Bryan Court Seymour Place London W1H 2NE

  07/10116/FULL Submitted 20 Nov 2007 50 yards away

  Erection of a single storey rear extension and railings on roof of existing electricity sub station in connection with use as a terrace

  Granted Full applications Extension 7 docs
  Small domestic

• Flat 2 Bryan Court Seymour Place London W1H 2NE

  07/03454/FULL Submitted 19 Apr 2007 50 yards away

  Erection of single storey rear extension at upper ground level (on roof of existing electrical substation) and use of remaining substation roof as terrace. (Site faces Bryanston Mews West)

  Withdrawn Full applications Extension 7 docs
  Small domestic

• Bryan Court Seymour Place London W1H 2NE

  05/09552/FULL Submitted 23 Nov 2005 50 yards away

  Erection of a two storey roof extension with terraces at fourth and fifth floors to provide new three bedroom flat. Erection of single storey extension at rear ground floor level (Bryanston Mews elevation), enlargement of balconies at rear and replacement of windows to all flats. New entrance and canopy including railings to Seymour Place and new windows to the front and rear. (Revised application)

  Withdrawn Full applications New dwelling Extension +1 9 docs
  Small domestic

• 26/06158/CLOPUD Awaiting decision

  2 Hamilton Gardens London NW8 9PT

  Erection of replacement, enlarged single storey ground floor rear extension.

  Received 9 Sep, published by the council 15 Sep 2026 Lawful development
• 26/06080/CLEUD Awaiting decision

  91 Gloucester Place London W1U 6JG

  Certificate of lawfulness for an existing use or development to confirm that the development authorised by full planning permission ref. 22/08385/FULL & listed building consent (RN 22/08386/LBC) has lawfully commenced as a result of the works evidenced.

  Received 7 Sep, published by the council 14 Sep 2026 Lawful development
• 26/06044/CLOPUD Awaiting decision

  9 Abinger Mews W9 3SP

  Proposed loft conversion with rear dormer and 3 front rooflights to existing mid-terraced house.

  Received 3 Sep, published by the council 11 Sep 2026 Lawful development
• 26/06035/CLOPUD Awaiting decision

  30 Ashworth Road W9 1JY

  Erection of new garden retaining wall and erection of new garden timber fence to match the height of existing fence.

  Received 3 Sep, published by the council 11 Sep 2026 Lawful development
• 26/05871/CLEUD Awaiting decision

  32 Cambridge Street London SW1V 4QH

  Confirmation of the lawful implementation of planning permission dated 13 August 2021 (RN: 21/04143/FULL) has commenced before the expiry of the three year time period and may, therefore, lawfully be carried out and completed.

  Received 27 Aug, published by the council 4 Sep 2026 Lawful development