20 - 22 Mortimer Street London W1T 3JW
Approved on 21 September 2026
Proposal
Details of noise report; pursuant to condition 9 of planning permission dated 21 August 2024 (RN 24/04062/FULL)
- Received
- 7 May 2026
- Council
- City of Westminster
- Ward
- West End
- Agent
- Savills (UK) Ltd
- ReceivedReceived7 May
- ValidatedValidated7 May
- Consult.Consultation
- TargetTarget Date2 Jul
- DecidedDecided21 Sep
Decided in 137 days (council typically 49)
About this application
This is an application to discharge conditions at 20 - 22 Mortimer Street London W1T 3JW. Westminster has handled 3,063 applications of this type. This one was decided in 137 days, 13 weeks longer than Westminster's typical decision time. The site is in the East Marylebone conservation area, with 5 listed buildings nearby. There are no previous applications recorded at this address. In the past year there have been 484 applications across West End. We hold 323 applications in total for the W1T postcode area.
92% of conditions 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 (Full PP)
- Scale / size
- Small
Planning application dates
- Date validated
- 7 May 2026
- Target decision date
- 2 July 2026
Applicant and agent
- Agent
- Savills (UK) Ltd
- Agent address
- 33 Margaret Street London W1G 0JD
Planning decision
- Statutory period
- 56 days
Site constraints
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.
© 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.
Planning history at this site
5 other applications at this property, newest first.
- 202517 Dec
Detailed drawings of new shopfront, windows and doors showing openability pursuant to condition 4 of planning…
ApprovedDischarge of conditions25/09120/ADFULL - 20256 Oct
Detailed drawings (1:5 and 1:20) of the proposed plant enclosure pursuant to Condition 8 of planning…
ApprovedDischarge of conditions25/06818/ADFULL - 202518 Jul
Registering address details for five office units and confirmation of postcode , to 20-22 Mortimer Street…
PendingAll OtherSNN25/00048 - 202513 Jun
Replacement of rear elevation windows within existing openings; Installation of a new glazed terrace door at…
ApprovedFull planning permission25/03114/FULL - 202514 Jan
Variation of condition 1 of planning permission dated 15 August 2024 (RN 24/04247/FULL
WithdrawnVariation of conditions (s73)24/08788/FULL
Source: Westminster
Contains public sector information from the Planning London Datahub, licensed under the Open Government Licence v3.0.
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Around this site
Nearby applications
- 16 Mortimer Street London W1T 3JL23/07589/FULL · FullAwaiting decision0.0 mi
- 30 - 32 Mortimer Street London W1W 7RE25/01023/FULL · FullApproved0.0 mi
- Swan Court 1 Booth's Place London W1T 3AF23/08838/FULL · FullApproved0.0 mi
- Green Man 36 Riding House Street London W1W 7EP26/00855/FULL · FullApproved0.0 mi
- Newlands House 37 - 40 Berners Street London W1T 3NA26/01866/ADFULL · ConditionsApproved0.1 mi
For applicants and trades
Consultants on this application
- Savills (UK) Ltd · Agent for this application
Contractors near this project
- Atlas South Technical Service LimitedVerifiedLondonProperty MaintenanceHandyman0.4 mi
- Avent Roofing ServicesVerifiedWestminsterRoofing0.7 mi
- Orient Construction Consultancy LimitedVerifiedLondon3.5 mi
- Building Services LondonVerifiedLondonExtensionsLoft Conversions5.3 mi
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