St Marys Mansions St Mary's Terrace London W2 1SQ

1. 9 Sep 2025

   Received by Westminster

2. 21 Oct 2025

   Decision issued: Application Permitted

3. 21 Jul 2026

   Added to PlanIndex

Westminster granted permission on 21 October 2025, 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 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.

• 26 St Marys Mansions St Mary's Terrace London W2 1SQ

  25/09249/FULL Submitted 22 Dec 2025 50 yards away

  Replacement of all timber double-glazed windows at first floor level and installation of new air brick and flue to rear elevation.

  Granted Full applications Windows or glazing 23 docs

• 5 Park Place Villas London W2 1SP

  26/04469/TCA Submitted 6 Jul 2026 100 yards away

  100% historically approved · decision due ~31 Aug

  Willow ? Reduce height back to most recent previous reduction points. ? Cut back to boundary line on South side. ? Shorten lowest lateral overhanging gym by 3m to limit potential for limb failure. ? Selective and formative prune to remaining crown to balance and reshape. Prudent, periodic tree management. Excessive shading.

  Awaiting decision Trees 6 docs

• 21 Hogan Mews London W2 1UP

  03/07919/TCA Submitted 6 Oct 2003 100 yards away

  4 x Cypress: (T1-T4), fell, 1 x Conifer: (T5), fell.

  Granted Trees 1 doc

• 8 Hogan Mews London W2 1UP

  04/08806/FULL Submitted 8 Nov 2004 100 yards away

  Construction of a single storey rear extension to existing single dwellinghouse.

  Granted Full applications Extension 11 docs
  Small domestic

• 4 Hogan Mews London W2 1UP

  07/09334/TCA Submitted 18 Oct 2007 100 yards away

  2 x Sycamores (Rear): Removal.

  Granted Trees 1 doc

• 18 Hogan Mews London W2 1UP

  24/00563/CLOPUD Submitted 30 Jan 2024 100 yards away

  Confirmation that the property has been rented since 2012 and the use is residential for a period of over 10 years.

  Withdrawn Lawful development 12 docs

• 26/06295/FULL Awaiting decision

  15 Warwick Way London SW1V 1QT

  Installation of a new shopfront with Medication Dispensing Outlet.

  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 replacement window and installation of double opening door.

  Received 15 Sep, published by the council 17 Sep 2026 Full applications
• 26/06294/FULL Awaiting decision

  15 Eaton Mews South London SW1W 9HP

  Installation of railings and sliding lantern light at main roof level in connection with the use of the roof as a terrace.

  Received 15 Sep, published by the council 22 Sep 2026 Full applications
• 26/06317/FULL Awaiting decision

  124 Hamilton Terrace London NW8 9UT

  Replacement of existing first-floor sash windows to the front and rear elevations with traditionally detailed painted timber, slim-profile double-glazed sash windows. (Linked to 26/06318/LBC)

  Received 15 Sep, published by the council 22 Sep 2026 Full applications
• 26/06273/FULL Awaiting decision

  9A Grosvenor Square London W1K 5AE

  Installation of natural Portland Stone paving to two front entrances. (Linked to 26/05473/LBC)

  Received 14 Sep, published by the council 22 Sep 2026 Full applications