20, 22, Mortimer Street, W1T 3JW

25/06818/ADFULLApproval of details reserved by a condition (discharge)Approved

Discharge / amendments

Approved on 6 November 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

Detailed drawings (1:5 and 1:20) of the proposed plant enclosure pursuant to Condition 8 of planning permission dated 21 August 2024 (RN24/04062/FULL)

Submitted: 6 October 2025
Council: City of Westminster

ReceivedSubmitted6 Oct
ValidatedValidated
Consult.Consultation
TargetTarget Date
DecidedDecided6 Nov

Decided in 31 days (council typically 49)

About this application

This is a planning application at 20, 22, Mortimer Street, W1T 3JW. Westminster has handled 1,733 applications of this type. This one was decided in 31 days, 3 weeks quicker than Westminster's typical decision time. The site is in the East Marylebone conservation area, with 5 listed buildings nearby. There have been 4 other applications at this address. In the past year there have been 469 applications across WEW_22. We hold 323 applications in total for the W1T 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.Planning something similar? See what gets approved on your street

Application details

Postcode: W1T 3JW
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
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.

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.

Planning history at this site

5 other applications at this property, newest first.

Source: Westminster

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

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