Planning application
Marble Arch At Marble Arch London W1H 7DX
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 18th February 2026 (RN:25/06615/FULL) for Use of part of Marble Arch Island as a temporary theatre event space with associated structures and works. Namely, small decrease in the overall length of the building, small increase in its overall height and width, addition of a small 'service yard' at the rear of the building, change to material/construction of upper façade.
As published by the council, reference 26/02375/NMA
Application record
- Reference
- 26/02375/NMA
- Type
- Non-material amendments
- Status
- Pending
- Received
- 10 Apr 2026
- Validated
- 10 Apr 2026
- Ward
- Hyde Park
- Postcode
- W1H 7DX
Site history
Applications at this address on the Westminster register
This site has had 5 applications since 2025: 1 approved, 0 refused.
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26/02924/ADFULL Awaiting decision
Marble Arch At Marble Arch London W1H 7DX
Detailed deconstruction and disassembly strategy pursuant to condition 12 of planning permission dated 18th February 2026 (RN:25/06615).
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26/02671/ADV Awaiting decision
Marble Arch At Marble Arch London W1H 7DX
Display of one internally illuminated fascia sign measuring 5m x 1.8m; two internally illuminated lightboxes measuring 5m x 1.8m; one LED screen measuring 4.8m x 3.6m; two externally illuminated panel signs measuring 10m x 0.6m; two externally illuminated fascia signs measuring 5m x 1.8m; two internally illuminated light trays measuring 1.3m x 0.75m; ten internally illumnated poster boxes measuring 0.3m x 0.42m; and an internally illuminated fascia sign measuring 1.4m x 1.4m.
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26/01963/ADFULL Awaiting decision
Marble Arch At Marble Arch London W1H 7DX
Details of Construction Logistics Plan pursuant to discharge of condition 11 of planning permission dated 18th February 2026 (RN:25/06615/FULL ).
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25/06615/FULL Granted
Marble Arch At Marble Arch London W1H 7DX
Use of part of Marble Arch Island as a temporary theatre event space with associated structures and works.
Timeline
Dates from the published record
-
10 Apr 2026
Received by Westminster
-
21 Jul 2026
Added to PlanIndex
-
Decision
Awaiting decision
Decision expected by 5 June 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
Reed Watts Architects Agent, an architecture practice
27 applications on PlanIndex · across 7 councils · 100% 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
16 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
-
Marble Arch At Marble Arch London W1H 7DX
88% historically approved · decision due ~20 May
Details of Construction Logistics Plan pursuant to discharge of condition 11 of planning permission dated 18th February 2026 (RN:25/06615/FULL ).
Awaiting decision Full applications 4 docs -
Marble Arch At Marble Arch London W1H 7DX
88% historically approved · decision due ~29 Jun
Detailed deconstruction and disassembly strategy pursuant to condition 12 of planning permission dated 18th February 2026 (RN:25/06615).
Awaiting decision Full applications 4 docs -
Proposed Development At 1-4 Marble Arch And 1 - 1A Great Cumberland Place London W1H 7AL
Details of a supplementary acoustic report pursuant to Condition 13 of planning permission dated 24th August 2018 (RN:18/05362/FULL)
Granted Full applications 8 docs -
1 Marble Arch London W1H 7EJ
Display of Christmas light surrounds to shopfront windows for a temporary period from 26 November 2025 to 9 January 2026.
Granted Advertising Windows or glazing 11 docs -
Cumberland Hotel Great Cumberland Place London W1H 7DL
Display of an internally illuminated wall sign measuring 150cm x 270cm and an internally illuminated high level fascia sign measuring 100cm x 1200cm. [Split decision with 23/03614/ADV]
Granted Advertising 19 docs -
Unit 3 6 Marble Arch London W1H 7EJ
82% historically approved · decision due ~14 Oct
Display of X1 internally illuminated projecting sign and X1 internally illuminated fascia sign measuring 0.6m x 0.6m and 0.57m x 0.87m
Awaiting decision Advertising 9 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.
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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.
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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
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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.