Planning application
30 Grosvenor Square London W1K 6AN
Works: Extension Demolition Trees
Still open. Anyone can comment while the consultation period runs, and comments go to the council rather than to us.
Proposal
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.
As published by the council, reference 26/03111/NMA
Application record
- Reference
- 26/03111/NMA
- Type
- Non-material amendments
- Status
- Pending
- Received
- 12 May 2026
- Validated
- 12 May 2026
- Ward
- West End
- Postcode
- W1K 6AN
Site history
Applications at this address on the Westminster register
This site has had 14 applications since 2025: 9 approved, 0 refused.
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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.
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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).
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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)
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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)
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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).
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26/00408/FULL Awaiting decision
30 Grosvenor Square London W1K 6AN
Installation of permanent external planter boxes at ground floor level on the Upper Grosvenor Square elevation and associated works.
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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).
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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).
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25/09270/FULL Granted
30 Grosvenor Square London W1K 6AN
Installation of permanent external planter boxes at ground floor level on the Upper Brook Street elevation and associated works.
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25/09397/ADLBC Granted
30 Grosvenor Square London W1K 6AN
Detailed drawings of external signage for Retail Unit 5 (R5) pursuant to Condition 4 part 2 of listed building consent dated 18 February 2021 (RN 21/00012/LBC)
Timeline
Dates from the published record
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12 May 2026
Received by Westminster
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21 Jul 2026
Added to PlanIndex
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Decision
Awaiting decision
Decision expected by 7 July 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.
Who's behind it
Company information only, from the register and Companies House
Newmark LLP Agent
921 applications on PlanIndex · across 40 councils · 97% granted
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Plans, drawings, consultee responses and the officer's report
7 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.
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Open the documentsWhat happens while it is decided
This application is with Westminster for determination, against a statutory target of eight weeks. Over the last year Westminster decided amendment applications in a median of 54 days. More in our guide to how long planning decisions take.
About amendment applications
An amendment application makes limited changes to a permission that already exists; anything beyond modest adjustment needs a fresh application. More in our guide to planning application types.
Nearby applications
Within 0.3 miles
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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 Amendments -
30 Grosvenor Square London W1K 6AN
89% historically approved · decision due ~4 Sep
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 -
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 (2) of planning permission dated 7th April 2025 (RN:24/05111/FULL)
Granted Full applications 11 docs -
30 Grosvenor Square London W1K 6AN
Details of alterations at ground floor level including shopfronts and signs pursuant to Condition 4 (2) (Part) of Listed Building Consent dated 18 February 2021 (RN21/00012/LBC), namely details of signage for retail unit 4.
Granted Conditions 6 docs -
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).
Granted Full applications 18 docs -
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).
Granted Full applications 4 docs
Other amendment applications
In Westminster
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26/06232/NMA Awaiting decision
37 Trevor Place London SW7 1LE
Amendments to planning permission dated 17th July 2026 (RN 26/03030/FULL) for the Alterations including enlargement of louvres and installation of new plant in basement; landscaping of roof terrace; second floor windows replaced with door sets; partial demolition at ground and first floor levels to create new lightwell and landscaped courtyard. NAMELY, addition of a free-standing sauna to the second-floor roof terrace.
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26/06256/NMA Awaiting decision
Queens Court Queensway London W2 4QN
Amendments to planning permission dated 21st May 2026 (RN:25/05013/FULL) for Variation of conditions 1, 3, 8, 9 and 17 of planning permission dated 11th May 2022 (RN 18/09765/FULL) for the Change of use of rear part of Queensway Market to Retail, Financial and Professional services, Office and Restaurant (within Class E) use and 5 residential units facing Princes Court, reconfiguration of retail units along Queensway including introduction of Retail uses at Nos.23 and 33 (current entrances to Queensway Market) and use of Nos.25 and 41-43 Queensway as Restaurant uses, installation of new shopfronts to Nos.23 to 43 Queensway 23-43, erection of infill extension to rear at ground floor level, erection of two new pavilion structures for Retail use and associated new hard and soft landscaping on land between Queens Court and Princes Court, installation of green roofs, rooflights and mechanical plant within enclosures to first floor level roofs between projecting rear wings of Queens Court installation of kitchen extract ducts to rear elevations, and associated cycle parking, waste storage, plant and other ancillary alterations ('Application 2'). Namely, to vary the hours of operation for the refrigeration plant controlled by condition 6.
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26/06251/NMA Awaiting decision
19 Cumberland Street London SW1V 4LS
Amendments to planning permission dated 20th March 2026 (RN:25/08960/FULL) for Lower ground floor rear infill extension with terrace above, replacement of rear first floor conservatory, new roof level rear single dormer with access to third floor roof terrace, alterations to windows and external refurbishment, namely the change of conservatory gable roof to a flat GRP roof.
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26/06201/NMA Awaiting decision
Almack House 28 King Street St James's London SW1Y 6QW
Amendments to planning permission dated 16th April 2026 (RN:26/01487/FULL) for Installation of a mechanical plant at lower ground floor and installation of two grilles to two lower ground floor windows, namely change to approved grille.
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26/06212/NMA Awaiting decision
10 - 11 Lancaster Gate London W2 3LH
Amendment to Condition 12 (Whole Life Carbon) of planning permission dated 19th April 2024 (RN 23/04044/FULL) for Change of use from hotel to residential use (Class C3) with associated internal alterations to create 11 new units and external alterations comprising reconfiguration and recladding of the rear extension and restoration of the existing building. Namely to include additional requirement to evidence and justify where benchmarks cannot be achieved, consider mitigation measures and if none, evidence that all mitigation measures have been exhausted. (Linked with RN 26/06213/ADFULL)