36, 38, Mortimer Street, W1W 7RG
Proposal
Internal alterations including refurbishment first, second and third floors including new finishes and fittings; WC alterations and inclusions of a shower per floor; New mechanical, electrical and plumbing fit out; Updates to Data it and Fire alarm; New Tea points per floor; New door access between offices; Replacement of existing condenser units. (linked with 25/03702/LBC)
- Received
- 2 June 2025
- Decided
- 7 August 2025
- Council
- City of Westminster
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.
- ReceivedSubmitted2 Jun
- ValidatedValidated
- Consult.Consultation
- TargetTarget Date
- DecidedDecided7 Aug
Decided in 66 days (council typically 49)
This is a planning application at 36, 38, Mortimer Street, W1W 7RG. Westminster has handled 661 applications of this type and approves 88% of them, typically deciding them in 56 days. This one was decided in 66 days, 10 days longer than Westminster's median. 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 369 applications across WEW_22. We hold 241 applications in total for the W1W postcode area.
Application Details
Applicant & Agent
Planning Application Dates
Planning Decision
Publicity
Appeal
Additional Information
Source: Westminster
Contains public sector information from the Planning London Datahub, licensed under the Open Government Licence v3.0.
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Associated applications
- 20252 Jun
Internal alterations including refurbishment first, second and third floors including new finishes and…
This applicationApprovedListed building consent25/03701/FULL - 20252 Jun
Internal alterations including refurbishment first, second and third floors including new finishes and…
ApprovedListed building consentPart of25/03702/LBC
Planning history at this site
3 other applications at this property, newest first.
- 20269 Sep
Removal of two external steel escape platforms at 3rd and 4th floor levels to rear elevation, forming new…
PendingListed building consent26/06020/LBC - 202615 May
Replacement of three air conditioning condensers and installation of four additional air conditioning…
PendingListed building consent26/03217/LBC - 202615 May
Replacement of three air conditioning condensers and installation of four additional air conditioning…
PendingApplication26/03105/FULL
Planning 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 (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 2026-10-09. 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.
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