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Marble Arch At Marble Arch London W1H 7DX

26/02375/NMAApproved

Approved on 24 April 2026

Council decision: Application Permitted

Site boundary (council red line)

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.

Received
10 April 2026
  1. Received10 Apr
  2. Validated10 Apr
  3. Consult.
  4. Target
  5. Decided24 Apr

Decided in 14 days

About this application

This is a planning application at Marble Arch At Marble Arch London W1H 7DX. Westminster has handled 27,108 applications of this type. This one was decided in 14 days, 5 weeks quicker than Westminster's typical decision time. The site is in the Royal Parks conservation area, with 2 listed buildings nearby. There have been 4 other applications at this address. We hold 896 applications in total for the W1H postcode area.

Application details

Postcode
W1H 7DX

Planning application dates

Date validated
10 April 2026

Site constraints

Checking the site
2/3
Council recordsAppealsFlood risk

Designations that overlap or adjoin the site outline.

  • Conservation area: Royal Parks
  • Listed building: Grade I: The Marble ArchOn or next to this site
  • Article 4 direction: Article 4 Basement Development Permitted Rights Removed+1 more
  • Flood zone 1: Low probability (rivers and sea)
Also checked, none recorded (21)

flood storage areas, tree preservation orders, green belt, scheduled monuments, World Heritage Sites, World Heritage Site buffer zones, registered parks and gardens, registered battlefields, Heritage at Risk entries, nutrient neutrality catchments, national parks, National Landscapes, SSSIs, Special Areas of Conservation, Special Protection Areas, Ramsar sites, ancient woodland, national nature reserves, local nature reserves, heritage coasts and brownfield registers.

A guide only, from official open data; it is not a planning search. Flood zones cover rivers and sea, not surface water.

Data © Crown copyright and others · sources and licences

Contains public sector information from planning.data.gov.uk (MHCLG and local planning authorities), licensed under the Open Government Licence v3.0. © Crown copyright and database right 2026.

© Historic England 2026. Contains Ordnance Survey data © Crown copyright and database right 2026. The Historic England GIS Data contained in this material was obtained on 2026-11-03. The most publicly available up to date Historic England GIS Data can be obtained from HistoricEngland.org.uk.

© Natural England copyright. Contains Ordnance Survey data © Crown copyright and database right 2026.

© Environment Agency copyright and/or database right 2026. All rights reserved. Flood Map for Planning, Open Government Licence v3.0.

Contains Ordnance Survey data © Crown copyright and database right 2026.

Source: Office for National Statistics licensed under the Open Government Licence v.3.0. Contains OS data © Crown copyright and database right 2026.

Source: Westminster

Contains public sector information from the Planning London Datahub, licensed under the Open Government Licence v3.0.

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