30 Grosvenor Square London W1K 6AN Data via plota.co.uk
Proposal
Amendments to planning permission dated 7th April 2025 (RN:) for Variation of conditions 1 and 46 of planning permission dated 18 February 2021 (RN ) 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. Data via plota.co.uk
Application progress
Approved on 12 Jun 2026 · Delegated Decision · Last checked 7 Jul 2026
Associated applications 11
Part of
Conditions , , variation sought
- Variationarchive
Conditions 4, 46b discharged · 1, 46 varied
- AmendmentAmendments to planning permission dated 7th April 2025 (RN)This application26/03111/NMA
Show 8 more · 8 approved
- ConditionsDetailed drawings and/or full particulars of the alterations at ground floor level…26/00778/ADFULL
Conditions 4 discharged
Licences at this address
Licensed hours are what the licence permits, not opening times.
Site constraints 12
Show the other 34 with distances
- 54 m52, Upper Brook Street W1Grade II
- 56 m53, Upper Brook Street W1Grade II
- 56 m4, Culross Street W1Grade II
- 58 m6, Upper Grosvenor Street W1Grade II
- 63 m7, Upper Grosvenor Street W1Grade II
- 68 mNumber 49 and 50 and Attached RailingsGrade II
- 70 m3, Upper Brook Street W1Grade II
- 70 m48, Upper Grosvenor Street W1Grade II
- 71 m45, Upper Grosvenor Street W1Grade II
- 73 m22 AND 23, GROSVENOR SQUARE W1 (See details for further address information)Grade II
- 74 m9, Upper Grosvenor Street W1Grade II
- 75 mPolice Public Callbox to North East of American EmbassyGrade II
- 75 m44, Upper Grosvenor Street W1Grade II
- 76 m7, Upper Brook Street W1Grade II
- 88 m74, Park Street W1Grade II
- 90 m76, Park Street W1Grade II
- 90 m70, Park Street W1Grade II
- 92 m72, Park Street W1Grade II*
- 94 m66 and 68, Park Street W1Grade II
- 95 m48, Upper Brook Street W1Grade II
- 95 m60, Park Street W1Grade II
- 97 m58, Park Street W1Grade II
- 98 m78, Park Street W1Grade II
- 100 m47, Upper Brook Street W1Grade II
- 100 m12, Upper Grosvenor Street W1Grade II
- 109 m44-50 Park Street and 37 Upper Grosvenor StreetGrade II
- 111 m38, Grosvenor Square W1Grade II*
- 116 m37-43 Park StreetGrade II
- 119 m45, Reeves Mews W1Grade II
- 133 mStatue of President Roosevelt in Centre of Square GardensGrade II
- 134 mEagle Squadron MemorialGrade II
- 142 m15, Upper Grosvenor Street W1Grade II
- 143 mNumber 23 With Screen Wall (All Part of Number 61 Green Street)Grade II
- 149 m16, Upper Grosvenor Street W1Grade II
Checked on 3 November 2026. Historic England, the Environment Agency, Natural England, the Planning Inspectorate, Transport for London (public transport access levels, Powered by TfL Open Data, OGL v3.0, contains OS data © Crown copyright and database right 2025) and council datasets, Open Government Licence. A boundary can run through a site and the council holds the definitive record: confirm with the council before relying on this.
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Important details
- Council
- Westminster
- Application type
- Non-material amendments
- Postcode
- W1K 6AN
- Received
- 12 May 2026
- Validated
- 12 May 2026
- Ward
- West End
- Case officer
- Show
- Decision
- Application Permitted
- Decision date
- 12 Jun 2026
- Decision level
- Delegated Decision
- Applicant
- Show
- Agent
- Newmark
- Leaseholder
- Show
Consultation & key dates
- Alt. reference
- PP-14892929
- Planning Portal ref
- PP-14892929
- Env. assessment
- No
Historical activity at this location
42 previous applications on record - archival context, not part of the live application.
Previous applications at this address
Nearby activity
Westminster is slower than most councils at deciding householder applications, ranking #258 out of 296. Only 28% of applications have the time limit extended, well below the 41% national average - the council usually decides on time. Westminster is also one of the strictest councils - it refuses more householder applications than almost any other, with only 81% approved vs 90% nationally.
Freehold boundary: © Crown copyright and database rights 2026, HM Land Registry. Polygons © Crown copyright and database rights 2026 Ordnance Survey 100026316. Conditions of use
Leaseholders: Information produced by HM Land Registry. © Crown copyright 2026. Source: HM Land Registry, UK and overseas companies that own property in England and Wales, September 2026 release.
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30 Grosvenor Square London W1K 6AN
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Council archive
American Embassy 24 - 31 Grosvenor Square London W1K 6AH
Variation of conditions 1 and 46 of planing permission dated 18.02.2021 (RN: 20/06601/FULL) which varied condition 1 and 9 of (RN: 18/03520/FULL) and 16/06423/FULL) for the: '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…
- Received
- 26 Jul 2024
- Outcome
- Pending
- Type
- Full
American Embassy 24 - 31 Grosvenor Square London W1K 6AH
Variation of condition 1 of planning permission dated 21.5.20 (RN:19/07406/FULL), which itself varied condition 1 and 9 of planning permission dated 20.11.18 (RN: 18/03520/FULL) which itself varied condition 1 of planning permission dated 12 September 2017 (RN: 16/06423/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…
- Received
- 19 Oct 2020
- Decided
- 3 Feb 2021
- Outcome
- Approved
- Type
- Full
