38 Grosvenor Square London W1K 2HW

This site has had 3 applications since 2026.

• 26/04400/LBC Awaiting decision

  38 Grosvenor Square London W1K 2HW

  Refurbishment and redevelopment of the site to provide a hotel (Use Class C1) with associated ancillary facilities, including the demolition of the existing rear wing and the erection of a new rear wing extension with roof pavilion and terrace, construction of a basement, and associated servicing, cycle parking, and landscaping works. (Linked with 26/04399/FULL)

  Submitted 2 Jul 2026 Heritage and listed buildings
• 26/02576/FULL Awaiting decision

  38 Grosvenor Square London W1K 2HW

  Temporary pop-up exhibition (Use Class F1) for a period of 18 months.

  Submitted 20 Apr 2026 Full applications

1. 2 Jul 2026

   Received by Westminster

2. 21 Jul 2026

   Added to PlanIndex

3. Decision

   Awaiting decision

   Decision expected by 27 August 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 65 days over the applications it decided in the last year.

• 26/04400/LBC Awaiting decision

  38 Grosvenor Square London W1K 2HW

  Refurbishment and redevelopment of the site to provide a hotel (Use Class C1) with associated ancillary facilities, including the demolition of the existing rear wing and the erection of a new rear wing extension with roof pavilion and terrace, construction of a basement, and associated servicing, cycle parking, and landscaping works. (Linked with 26/04399/FULL)

  Submitted 2 Jul 2026 Heritage and listed buildings

1 later application on the register refers to this one:

• 26/04400/LBC Awaiting decision

  38 Grosvenor Square London W1K 2HW

  Refurbishment and redevelopment of the site to provide a hotel (Use Class C1) with associated ancillary facilities, including the demolition of the existing rear wing and the erection of a new rear wing extension with roof pavilion and terrace, construction of a basement, and associated servicing, cycle parking, and landscaping works. (Linked with 26/04399/FULL)

  Submitted 2 Jul 2026 Heritage and listed buildings

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.

• 38 Grosvenor Square London W1K 2HW

  26/04400/LBC Submitted 2 Jul 2026 50 yards away

  90% historically approved · decision due ~27 Aug

  Refurbishment and redevelopment of the site to provide a hotel (Use Class C1) with associated ancillary facilities, including the demolition of the existing rear wing and the erection of a new rear wing extension with roof pavilion and terrace, construction of a basement, and associated servicing, cycle parking, and landscaping works. (Linked with 26/04399/FULL)

  Awaiting decision Heritage and listed buildings Extension Demolition

• 38 Grosvenor Square London W1K 2HW

  26/02576/FULL Submitted 20 Apr 2026 50 yards away

  87% historically approved · decision due ~15 Jun

  Temporary pop-up exhibition (Use Class F1) for a period of 18 months.

  Awaiting decision Full applications 27 docs

• 35 - 37 Grosvenor Square London W1K 2HN

  25/08787/ADFULL Submitted 3 Dec 2025 50 yards away

  Details of Supplementary Acoustic Report pursuant to condition 7 of planning permission dated 30 September 2024 (RN: 24/05532/FULL)

  Granted Full applications 6 docs

• Communications Station 39 - 44 Grosvenor Square London W1K 2HP

  25/06638/TELCOM Submitted 17 Sep 2025 50 yards away

  Removal of the existing 3no. antennas and installation of replacement 3no. antennas two of which located on new freestanding frames and ancillary development thereto including 1.1m freestanding handrail.

  Granted Telecoms 14 docs

• 34 Grosvenor Square London W1K 2HD

  25/08464/FULL Submitted 19 Nov 2025 50 yards away

  Replacement of existing ground floor windows, relocation of the entrance and installation of retractable canopies

  Granted Full applications Windows or glazing 23 docs

• 34 Grosvenor Square London W1K 2HD

  26/03449/ADFULL Submitted 26 May 2026 50 yards away

  87% historically approved · decision due ~21 Jul

  Details of new french doors pursuant to condition 4 of planning permission dated 17 March 2026 (RN: 25/08464/FULL)

  Awaiting decision Full applications Windows or glazing 4 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
• 26/06287/FULL Awaiting decision

  Barness Court 6 - 8 Westbourne Terrace London W2 3UW

  Installation of a new riser as per GW10 design comprising a single riser with 7 entries and 9 Taylor valves to be installed. (Linked with 26/06288/LBC)

  Received 14 Sep, published by the council 21 Sep 2026 Full applications
• 26/06278/FULL Awaiting decision

  40 Wellington Road London NW8 9TJ

  Installation of a new external access ramp/slope to provide accessibility to the Barclays bank ATM.

  Received 14 Sep, published by the council 21 Sep 2026 Full applications
• 26/06269/FULL Awaiting decision

  Maisonette Basement And Ground Floor 101 Hereford Road London W2 5BB

  Amalgamation of existing lower ground and ground floor maisonette with the first floor flat to create a single dwelling and associated internal works including creation of a staircase. (Linked with 26/06270/LBC)

  Received 14 Sep, published by the council 21 Sep 2026 Full applications