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 66 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 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
-
Marble Arch At Marble Arch London W1H 7DX
87% 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
87% 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 -
Unit 3 6 Marble Arch London W1H 7EJ
84% 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 -
Unit 1 5 Marble Arch London W1H 7EJ
Display of one non-illuminated fascia sign measuring 0.93m x 1.4m and one non-illuminated projecting sign measuring 0.6m x 0.6m
Decided Advertising 9 docs
Other amendment applications
In Westminster
-
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.
-
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.
-
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.
-
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)