100 Leith Mansions Grantully Road London W9 1LJ

1. 21 Jul 2026

   Received by Westminster

2. 29 Jul 2026

   Added to PlanIndex

3. 3 Aug 2026

   Validated

   Checked as complete and ready for consideration.

4. 18 Sep 2026

   Status changed to Decided

   Previously Pending.

Westminster has decided this application; the outcome above is the register's own wording and the decision notice on the council portal carries the detail. More in our guide to what happens after a planning decision.

A full application seeks permission for a complete, detailed proposal in one go, with siting, design, access and landscaping all fixed at this stage. More in our guide to planning application types.

• Flats 89 To 96 Leith Mansions Grantully Road London W9 1LJ

  26/05279/FULL Submitted 4 Aug 2026 50 yards away

  87% historically approved · decision due ~29 Sep

  Installation of gas pipeworks. (Retrospective)

  Awaiting decision Full applications

• 87 Leith Mansions Grantully Road London W9 1LJ

  22/04240/FULL Submitted 28 Jun 2022 50 yards away

  Replacement of the external doors and windows with new timber double glazed units to flat located at third floor level.

  Granted Full applications Windows or glazing 8 docs

• 24 Morshead Mansions Morshead Road London W9 1LE

  25/06058/FULL Submitted 26 Aug 2025 100 yards away

  Installation of eight conservation-style rooflights; Installation of new door and railings to create roof terrace at third floor level to rear; Refurbishment of existing window frames and installation of double glazing, in association with the creation of additional habitable accommodation within loft space (Flat 21).

  Granted Full applications Loft or dormer Windows or glazing 17 docs

• 40 Leith Mansions Grantully Road London W9 1LH

  25/07664/FULL Submitted 22 Oct 2025 100 yards away

  Replacement of existing windows, including sash windows, to the front, side, and rear elevations with new timber sash and timber casement windows, all to be installed within the existing structural openings.

  Granted Full applications Windows or glazing 18 docs

• 54 Morshead Mansions Morshead Road London W9 1LF

  22/03901/FULL Submitted 15 Jun 2022 100 yards away

  Replacement of windows to front and rear of building at second floor level (Flat 54).

  Granted Full applications Windows or glazing 8 docs

• 50 Morshead Mansions Morshead Road London W9 1LF

  25/06802/FULL Submitted 22 Sep 2025 100 yards away

  Installation of replacement double glazed timber sash windows to rear, front and side elevation at ground floor level.

  Granted Full applications Windows or glazing 25 docs

• 26/06295/FULL Awaiting decision

  15 Warwick Way London SW1V 1QT

  Installation of a new shopfront.

  Received 15 Sep, published by the council 17 Sep 2026 Full applications
• 26/06297/FULL Awaiting decision

  15 Warwick Way London SW1V 1QT

  Alterations to rear elevation at basement level comprising repolacement window and installation of double opening door.

  Received 15 Sep, published by the council 17 Sep 2026 Full applications
• 26/06222/FULL Awaiting decision

  42 - 49 St Martin's Lane London WC2N 4EJ

  Entrance alterations, illuminated fascia sign to St Martins Lane entrance and glazed openings for digital signage

  Received 11 Sep, published by the council 21 Sep 2026 Full applications
• 26/06234/FULL Awaiting decision

  40 Grosvenor Place London SW1X 7HJ

  Use of lower ground floor of Unit 3 and ground floor of Unit 2 as gym (Class E(d)) and/ or office (Class E(g))

  Received 11 Sep, published by the council 18 Sep 2026 Full applications
• 26/06249/FULL Awaiting decision

  53 Wimpole Street London W1G 8YH

  Removal and Installation of external rear air condensers and associated pipe work to ground floor, including internal works to ground and first floor. (Linked with 26/06250/LBC)

  Received 11 Sep, published by the council 18 Sep 2026 Full applications