20B Ranston Street London NW1 6SY

1. 23 Jul 2025

   Received by Westminster

2. 3 Nov 2025

   Validated

   Checked as complete and ready for consideration.

3. 21 Jul 2026

   Added to PlanIndex

4. Decision

   Awaiting decision

   Decision expected by 29 December 2025, 8 weeks from validation under the statutory target for most applications. Extensions of time are common and are agreed case by case.

   Westminster took a median of 66 days over the applications it decided in the last year.

This application is with Westminster for determination, against a statutory target of eight weeks. Over the last year Westminster decided full applications in a median of 91 days. More in our guide to how long planning decisions take.

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.

• Ashmill Street London

  22/04318/NMA Submitted 30 Jun 2022 50 yards away

  Amendments to planning permission 29th March 2019 (RN: 17/11405/COFUL) to erection of 2 three storey dwellinghouses (Class C3) for use as affordable housing on southern half of existing surface level car park, provision of a new on-street car parking bay in Shroton Street, and associated works. Namely, relocation of the waste storage from the rear of the proposed dwellinghouses to the south-eastern corner of the Ashmill Street Car Park.

  Withdrawn Amendments 7 docs

• Glarus Court 1 Stalbridge Street London NW1 6TG

  25/08565/FULL Submitted 24 Nov 2025 100 yards away

  Replacement of existing white timber single glazed casement type, and sliding sash windows and doors with white, double glazed uPVC window casement types and doors.

  Granted Full applications Windows or glazing 38 docs

• 5 Alpha House 1 Ashbridge Street London NW8 8AF

  07/03461/FULL Submitted 19 Apr 2007 100 yards away

  Infill of existing balcony at second floor level on Ashmill Street elevation with windows to create additional internal living space.

  Granted Full applications Extension Windows or glazing 8 docs

• 7 Alpha House 1 Ashbridge Street London NW8 8AF

  06/07211/FULL Submitted 7 Sep 2006 100 yards away

  Erection of ground floor rear extension providing additional floorspace to an existing flat.

  Granted Full applications Extension 9 docs

• 1 Alpha House 1 Ashbridge Street London NW8 8AF

  03/09097/FULL Submitted 25 Nov 2003 100 yards away

  Erection of ground floor rear extension providing additional floorsapce to an existing flat.

  Granted Full applications Extension 11 docs

• Basement And Ground Floor 67-69 Bell Street London NW1 6SX

  20/00153/ADFULL Submitted 10 Jan 2020 100 yards away

  Details of all new doors and windows and railings to the lightwells to the front elevation pursuant to planning permission dated 29th May 2019 (RN:18/10729).

  Refused Full applications Windows or glazing 20 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