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12, Great Portland Street, W1W 8QN

25/00312/ADFULLApproval of details reserved by a condition (discharge)Approved
Discharge / amendments

Approved on 11 March 2025

Approximate site (title boundary)
Boundary © HM Land Registry, © Ordnance Survey · details

This information is subject to Crown copyright and database rights 2026 and is reproduced with the permission of HM Land Registry. The polygons (including the associated geometry, namely x, y co-ordinates) are subject to Crown copyright and database rights 2026 Ordnance Survey AC0000851063. Conditions of use.

Proposal

Details of a delivery and operational management plan pursuant to Condition 8 of planning permission dated 9th January 2025 (RN:24/05110/FULL)

Submitted
17 January 2025
  1. Received17 Jan
  2. Validated
  3. Consult.
  4. Target
  5. Decided11 Mar

Decided in 53 days (council typically 49)

About this application

This is a planning application at 12, Great Portland Street, W1W 8QN. Westminster has handled 1,733 applications of this type. This one was decided in 53 days, 4 days longer than Westminster's typical decision time. The site is in the East Marylebone conservation area, with 2 listed buildings nearby. There has been 1 other application at this address. In the past year there have been 465 applications across WEW_22. We hold 251 applications in total for the W1W postcode area.

89% of approval of details reserved by a condition (discharge) applications at City of Westminster were approved. Across all application types, the council typically decides in about 7 weeks (median).

Based on decided applications received in the last 3 years.See what's approved near your address

Application details

Postcode
W1W 8QN
Application type
Approval of details reserved by a condition (discharge)

Site constraints

Checking the site
2/3
Council recordsAppealsFlood risk

Designations that overlap or adjoin the site outline.

  • Conservation area: East Marylebone
  • Article 4 direction: Article 4 Basement Development Permitted Rights Removed+1 more
  • Flood zone 1: Low probability (rivers and sea)
Also checked, none recorded (22)

flood storage areas, listed buildings, 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.

Associated applications

  1. 2025
    3 Jun

    Variation of Condition 3 of planning permission dated 9th January 2025 (RN:24/05110/FULL

    ApprovedVariation of conditions (s73)25/03551/FULL
  2. 2025
    17 Jan

    Details of a delivery and operational management plan pursuant to Condition 8 of planning permission dated…

    This applicationApprovedDischarge of conditions25/00312/ADFULL
  3. 2024
    26 Jul

    Use of ground and lower ground floor levels from Sui Generis (specifically Show Room use) to Class E.

    PendingFull Planning Permission ApplicationPart of24/05110/FULL

Source: Westminster

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

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