30 Grosvenor Square London W1K 6AN

This site has had 16 applications since 2025: 10 approved, 0 refused.

• 26/07031/FULL Awaiting decision

  30 Grosvenor Square London W1K 6AN

  Installation of temporary weather screens within the external planters across the ground floor exterior terraces

  Submitted 14 Oct 2026 Full applications
• 26/06060/FULL Awaiting decision

  30 Grosvenor Square London W1K 6AN

  Installation of a small ice skating rink temporarily at the front of our property measuring 8m X 18m (ice surface) Footprint is 8.3m x 20m. (Maximum skaters in 48)

  Submitted 4 Sep 2026 Full applications
• 26/04647/NMA Decided

  30 Grosvenor Square London W1K 6AN

  Amendments to planning permission dated 10 April 2026 (RN: 25/09270/FULL) for the: Installation of permanent external planter boxes at ground floor level on the Upper Brook Street elevation and associated works. NAMELY, to install additional planter boxes to set the perimeter of the external dining space.

  Decided 27 Jul 2026 Amendments
• 26/04646/ADFULL Decided

  30 Grosvenor Square London W1K 6AN

  Detailed drawings and specification of the external dining arrangement and furniture, and Operational Management Plan relating to Unit R5 pursuant to the partial discharge of condition 46 (b) of planning permission dated 7th April 2025 (RN: 24/05111/FULL).

  Submitted 10 Jul 2026
• 26/03111/NMA Awaiting decision

  30 Grosvenor Square London W1K 6AN

  Amendments to planning permission dated 7th April 2025 (RN:24/05111/FULL) for Variation of conditions 1 and 46 of planning permission dated 18 February 2021 (RN 20/06601/FULL) for, 'Alterations to the existing building including retention & repair of the front and side facades, part demolition & replacement of the rear facade, rear extension of the 2nd-5th floors, removal of existing & introduction of a new 6th floor, introduction of a new set-back 7th floor, extension of the existing basement levels to include two additional basement levels (including one mezzanine level), installation of roof plant & plant screen, public realm works including hard & soft landscaping, removal of the security kiosks, fencing, bollards & gates/barriers to Blackburne's Mews & Culross Street, removal & replacement of 6 No. trees in front of the Grosvenor Square elevation & re-opening of the road on the western side of the Square, all in connection with the use of the building as a hotel (Class C1) with flexible retail/restaurant use at 1st floor, ground floor and basement 1 (Class A1/Class A3/Class C1), flexible restaurant/bar use at 7th floor (Class A3/Class A4/Class C1), leisure/spa facilities within the basement (Class D2/Class C1) & an ancillary ballroom, event spaces, back of house facilities & associated car, cycle parking & servicing facilities accessed from Blackburne's Mews, & other associated works'. Namely, to extend the permitted hours of operation to enable the operator to open at 06.30.

  Submitted 12 May 2026 Amendments
• 26/00768/ADLBC Granted

  30 Grosvenor Square London W1K 6AN

  Detailed drawings and/or full particulars of the alterations at ground floor level including shopfronts and signs pursuant to condition 4 (part 2) of listed building dated 18th February 2021 (RN:21/00012/LBC) (Linked 26/00778/ADFULL)

  Decided 9 Mar 2026 Conditions
• 26/00778/ADFULL Granted

  30 Grosvenor Square London W1K 6AN

  Detailed drawings and/or full particulars of the alterations at ground floor level including shopfronts and signs pursuant to Condition 4 (Part 2) of planning permission dated 7th April 2025 (RN:24/05111/FULL) (Linked 26/00768/ADLBC)

  Decided 9 Mar 2026 Full applications
• 26/00404/ADFULL Granted

  30 Grosvenor Square London W1K 6AN

  Details of external dining arrangement and furniture and operational management plan relating to unit R3 pursuant to partial discharge of condition 46(b) of planning permission dated 24/05111/FULL (07/04/2025).

  Decided 9 Apr 2026 Full applications
• 25/09322/ADFULL Granted

  30 Grosvenor Square London W1K 6AN

  Detailed drawings at 1:10 of the new planters, and a sample of their cladding pursuant to condition of planning permission dated 7th April 2025 (RN: 24/05112/FULL).

  Decided 26 Jan 2026 Full applications
• 25/09313/ADFULL Granted

  30 Grosvenor Square London W1K 6AN

  Detailed drawings and specification of the external dining arrangement and furniture, and Operational Management Plan relating to Unit R5 pursuant to the partial discharge of condition 46 (b) of planning permission dated 7th April 2025 (RN: 24/05111/FULL).

  Decided 18 Feb 2026 Full applications

1. 23 Jan 2026

   Received by Westminster

2. 21 Jul 2026

   Added to PlanIndex

3. Decision

   Awaiting decision

   Decision expected by 20 March 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 91 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 119 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.

• Flat 11 46 Upper Grosvenor Street London W1K 2NW

  26/01789/ADFULL Submitted 19 Mar 2026 50 yards away

  88% historically approved · decision due ~14 May

  Detailed drawings of existing and proposed windows with key details pursuant to condition 2 of planning permission dated 6th November 2025 (RN: 25/05340/FULL).

  Awaiting decision Full applications Windows or glazing 5 docs

• Flat 11 46 Upper Grosvenor Street London W1K 2NW

  26/04722/FULL Submitted 15 Jul 2026 50 yards away

  88% historically approved · decision due ~28 Sep

  Variation of Condition 2 of planning permission dated 06 November 2025 (RN: 25/05340/FULL) for: Replacement of existing windows namely; to allow replacement windows constructed in aluminium rather than the original mild steel of the Crittall casements.

  Awaiting decision Full applications Windows or glazing

• 34 Grosvenor Square London W1K 2HD

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

  88% 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

• 34 Grosvenor Square London W1K 2HD

  26/05600/FULL Submitted 17 Aug 2026 50 yards away

  88% historically approved · decision due ~12 Oct

  Replacement of existing external terrace in a new configuration and repositioning of entrance and steps

  Decided Full applications

• 41 Upper Grosvenor Street London W1K 2NH

  25/07262/FULL Submitted 8 Oct 2025 50 yards away

  External alterations including rooftop and rear extension at 41 Upper Grosvenor Street; and reconfiguration and amalgamation of existing residential accommodation (comprising 2 x 2bed and 1 x 1 bed) to provide 3 homes (1 x 2 bed and 2 x 3 bed) (Class C3) at 41 Reeves Mews; external alterations including rooftop and rear extension and terrace, loft conversion and new dormers and enlargement of basement at 41 Reeves Mews; and change of use of existing commercial use (Use Class E) to residential (Use Class C3) at lower ground of 41 Reeves Mews to facilitate shared cycle storage, refuse and plant facilities to serve both 41 Upper Grosvenor Street and 41 Reeves Mews; and associated landscaping across the site. [SITE INCLUDES 41 REEVES MEWS]

  Granted Full applications Extension Loft or dormer 53 docs

• 10 Upper Grosvenor Street London W1K 2NA

  26/03380/FULL Submitted 21 May 2026 50 yards away

  88% historically approved · decision due ~16 Jul

  Replacement of lantern skylights to match existing; repair and installation of insulation of the accessible roof surface; and other associated works.

  Awaiting decision Full applications 8 docs

• 26/07528/FULL Awaiting decision

  69 Eaton Place London SW1X 8DF

  Installation of new cast iron water pipe on rear courtyard elevation. (Linked with 26/07529/LBC)

  Received 5 Nov, published by the council 6 Nov 2026 Full applications
• 26/05200/FULL Decided

  1 The Court House 165 Seymour Place London W1H 4PU

  Installation of waterproofing system to the existing lead flat roofs

  Received 3 Aug, published by the council 28 Aug 2026 Full applications
• 26/07521/FULL Awaiting decision

  Flat 18 Harlequin Court 20 Tavistock Street London WC2E 7NZ

  Installation of one external condenser unit

  Received 4 Nov, published by the council 6 Nov 2026 Full applications
• 26/07508/FULL Awaiting decision

  Buckingham Palace The Mall London SW1A 1AA

  Replacement of existing security lighting to the Buckingham Palace Forecourt with 80 compact LED spotlights installed within the lantern clusters across 10 principal piers, with associated concealed cabling and reversible fixings. (Linked with 26/07509/LBC)

  Received 4 Nov, published by the council 5 Nov 2026 Full applications
• 26/07472/FULL Awaiting decision

  Flat 3 82 New Cavendish Street London W1G 9TA

  Replacement windows to second floor level with vacuum, double glazing windows. (Linked with 26/07473/LBC)

  Received 3 Nov, published by the council 6 Nov 2026 Full applications