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 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
-
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)
-
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.
-
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).
-
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)
-
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)
-
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).
-
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.
-
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).
-
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).
Timeline
Dates from the published record
-
12 May 2026
Received by Westminster
-
21 Jul 2026
Added to PlanIndex
-
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 91 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
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
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.
Watch members (£5 a month) open the document list from here.
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 81 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
-
30 Grosvenor Square London W1K 6AN
88% historically approved · decision due ~23 Nov
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)
Awaiting decision Full applications -
30 Grosvenor Square London W1K 6AN
88% historically approved · decision due ~9 Dec
Installation of temporary weather screens within the external planters across the ground floor exterior terraces
Awaiting decision Full applications -
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
Other amendment applications
In Westminster
-
26/07459/NMA Awaiting decision
1 Hanover Square London W1S 1HA
Amendments to planning pemrission dated 10 October 2025 (RN: 25/01558/FULL) for the: Partial demolition, refurbishment and extension of the existing building to provide a sub-basement, basement, ground plus eight storey building; infilling and stepped rear extension; excavation of a new sub-basement level; installation of new plant equipment at basement and roof level; terraces at fourth, fifth, sixth, seventh and eighth floor levels; soft and hard landscaping; reprovision of car parking; new cycle parking facilities; and associated external works. Use of the building for retail and/or restaurant (Class E) on part ground floor and office (Class E) on all other floors. NAMELY, to allow alterations to the design of the ground floor frontages on Hanover Square and St George Street.
-
26/07438/NMA Awaiting decision
29 - 31 Hill Street London W1J 5LS
Amendments to planning permission dated 1st July 2025 (RN 25/01006/FULL) for the external alterations at roof level including the creation of Level 04 roof terrace for use in association with existing office (Class E), replacement and installation of new plant and landscaping, replacement of windows, introduction of louvres, removal and replacement of rooflights, installation of new rooflight and other associated works. NAMELY, for alterations comprising of the removal of window sash boxes and weights, changes to the window mullion arrangement, the removal of two sash windows, the installation of secondary glazing, the removal of existing chamber hatch and installation of extract vent and integrated bench, the external replacement of rainwater goods and hoppers, the removal of bricks and installation of airbricks, minor demolition works, replacement of roof covering, removal of ductwork, roof plant rearrangement, the installation of a new external door to plant area, minor layout alterations and other associated works.
-
26/07389/NMA Decided
Flat 1 5 Grittleton Road London W9 2DD
Amendments to planning permission dated 04 June 2025 (RN: 25/02022/FULL), NAMELY, amendment of Condition 4 to correct the property address from 9 Aldridge Road Villas to Flat 1 5 Grittleton Road.
-
26/07377/NMA Awaiting decision
60 Ledbury Road London W11 2AJ
Amendments to planning permission dated 2nd October 2025 (RN 25/04018/FULL) for the Partial demolition, refurbishment, and erection of a mansard roof extension to form a new third floor with dormers to front, side and rear elevations; to form 6 flats (Class C3) on upper floors; external plant equipment and ductwork; lower ground floor excavation to increase floor to ceiling height; replacement windows; cycle parking and associated external alterations; use of the part ground floor and lower ground floor as retail and restaurant (Class E). Site includes 60-68 Ledbury Road) NAMELY, An amendment to the basement and ground floor drawing reference numbers; amendment to the description of development, in reference to restaurant and or retail use; and amendments to C
-
26/07375/NMA Awaiting decision
77 Hereford Road London W2 5BB
Amendments to planning permission dated 4th August 2026 (RN 26/03970/FULL) for the Replacement of roof terrace access stair with glazed hatch, new timber decking and front and rear roof railings to roof terrace, with infilling side window of closet wing. NAMELY, Hinged hatch access substituted by sliding hatch.