Planning application
35 - 37 Grosvenor Square London W1K 2HN
Permission granted. Work must normally begin within three years of the decision or the permission lapses.
Proposal
Details of Supplementary Acoustic Report pursuant to condition 7 of planning permission dated 30 September 2024 (RN: 24/05532/FULL)
As published by the council, reference 25/08787/ADFULL
Application record
- Reference
- 25/08787/ADFULL
- Type
- Approval of Details (Full PP)
- Status
- Decided
- Decision
- Granted As published: Application Permitted
- Received
- 3 Dec 2025
- Validated
- 3 Dec 2025
- Decided
- 10 Mar 2026
- Ward
- West End
- Decision by
- Delegated Decision
- Postcode
- W1K 2HN
Timeline
Dates from the published record
-
3 Dec 2025
Received by Westminster
-
10 Mar 2026
Decision issued: Application Permitted
-
20 Jul 2026
Added to PlanIndex
Who's behind it
Company information only, from the register and Companies House
Newmark LLP Agent
925 applications on PlanIndex · across 40 councils · 97% granted
Trade members see everything this firm has filed, how it was decided, and get an email the day it files again.
See their track recordDocuments
Plans, drawings, consultee responses and the officer's report
6 documents on file for this application
A planning file usually holds the application form, drawings and site plans, consultee responses, the officer's report and the decision notice.
Watch members (£5 a month) open the document list from here.
Open the documentsWhat this grant of permission means
Westminster granted permission on 10 March 2026, 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.
About full applications
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.
Nearby applications
Within 0.3 miles
-
38 Grosvenor Square London W1K 2HW
88% 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 -
38 Grosvenor Square London W1K 2HW
88% 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 26/04400/LBC)
Awaiting decision Full applications Extension Demolition -
38 Grosvenor Square London W1K 2HW
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 -
34 Grosvenor Square London W1K 2HD
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
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
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
Other full applications
In Westminster
-
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)
-
26/05200/FULL Decided
1 The Court House 165 Seymour Place London W1H 4PU
Installation of waterproofing system to the existing lead flat roofs
-
26/07521/FULL Awaiting decision
Flat 18 Harlequin Court 20 Tavistock Street London WC2E 7NZ
Installation of one external condenser unit
-
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)
-
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)