26 Berwick Street London W1F 8RG

This site has had 3 applications since 2023: 2 approved, 0 refused.

• 26/01041/NMA Granted

  26 Berwick Street London W1F 8RG

  Amendments to planning permission dated 10th March 2023 (RN:22/07296/FULL) for: Erection of infill extension to existing northern lightwell between the first floor and third floor level and access hatch at main roof level to provide additional office floorspace (Class E). Creation of part terrace and part biodiversity roof and associated works and the installation of a plant enclosure at main roof level namely, removal of existing windows on southern elevation and removal of proposed windows on northern elevation.

  Decided 8 Apr 2026 Amendments
• 23/08743/ADFULL Granted

  26 Berwick Street London W1F 8RG

  Samples and specification details of the facing materials and detailed drawings of new windows, balustrade and brick bay including parapet and stone lintel detailing pursuant to Condition 13 and 14 of planning permission dated 10th March 2023 (RN: 22/07296/FULL)

  Decided 31 Jan 2024 Full applications

1. 19 Nov 2025

   Received by Westminster

2. 20 Jul 2026

   Added to PlanIndex

3. Decision

   Awaiting decision

   Decision expected by 14 January 2026, 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.

• 26 Berwick Street London W1F 8RG

  23/08743/ADFULL Submitted 18 Dec 2023 50 yards away

  Samples and specification details of the facing materials and detailed drawings of new windows, balustrade and brick bay including parapet and stone lintel detailing pursuant to Condition 13 and 14 of planning permission dated 10th March 2023 (RN: 22/07296/FULL)

  Granted Full applications Windows or glazing 19 docs

• 26 Berwick Street London W1F 8RG

  26/01041/NMA Submitted 18 Feb 2026 50 yards away

  Amendments to planning permission dated 10th March 2023 (RN:22/07296/FULL) for: Erection of infill extension to existing northern lightwell between the first floor and third floor level and access hatch at main roof level to provide additional office floorspace (Class E). Creation of part terrace and part biodiversity roof and associated works and the installation of a plant enclosure at main roof level namely, removal of existing windows on southern elevation and removal of proposed windows on northern elevation.

  Granted Amendments Extension Windows or glazing 16 docs

• The Shelter 25 Berwick Street London W1F 8RF

  10/04124/CAC Submitted 12 May 2010 50 yards away

  Replacement of existing painted steel, scaffold pole and steel cable balustrade to walkway structure with fully secure structural glass curtain wall and canopy structure.

  Decided Heritage and listed buildings 2 docs

• 8 - 12 Broadwick Street London W1F 8HN

  03/04348/AD7 Submitted 4 Jun 2003 50 yards away

  Display for a temporary period of six months of a non-illuminated 'to let' board located on the face of the building at ground floor level and measuring 0.9m x 0.6m.

  Granted Advertising 3 docs

• 8 - 12 Broadwick Street London W1F 8HN

  05/02408/AD7 Submitted 30 Mar 2005 50 yards away

  Display for a temporary period of 6 months of a non-illuminated 'to let board located on the face of the building at a height of between 3m and 4.6m above pavement level and measuring 1.2m x 0.9m.

  Granted Advertising 3 docs

• 8 - 12 Broadwick Street London W1F 8HN

  04/08826/ADV Submitted 8 Nov 2004 50 yards away

  Display of non- illuminated fascia and 2 No. non-illuminated projecting signs.

  Decided Advertising 4 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