Development Site At 38-70 Baker Street, 64-66 Blandford Street And 43-45 Dorset Street London
Approved on 18 March 2026
Council decision: Application PermittedDelegated (officer decision)
Proposal
Details of whole life carbon assessment prior to commencement of any work on site including all works of deconstruction and demolition pursuant to Condition 33(a) of planning permission dated 04/04/2025 (RN: 22/08200/FULL).
- Received
- 30 January 2026
- Decision level
- Delegated (officer decision)
- Council
- City of Westminster
- Ward
- Marylebone
- ReceivedReceived30 Jan
- ValidatedValidated30 Jan
- Consult.Consultation
- TargetTarget Date27 Mar
- DecidedDecided18 Mar
Decided in 47 days (council typically 49)
About this application
This is an application to discharge conditions at Development Site At 38-70 Baker Street, 64-66 Blandford Street And 43-45 Dorset Street London. Westminster has handled 3,063 applications of this type. This one was decided in 47 days. The site is in 7 listed buildings nearby. There have been 11 other applications at this address. In the past year there have been 171 applications across Marylebone.
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
- Application type
- Approval of Details (Full PP)
- Scale / size
- Small
Planning application dates
- Date validated
- 30 January 2026
- Target decision date
- 27 March 2026
Applicant and agent
- Agent
- Newmark
- Agent address
- One Fitzroy, 6 Mortimer Street, London W1T 3JJ United Kingdom
Planning decision
- Statutory period
- 56 days
Site constraints
Designations that overlap or adjoin the site outline.
- Article 4 direction: Article 4 Basement Development Permitted Rights Removed+1 more
- Flood zone 1: Low probability (rivers and sea)
Also checked, none recorded (23)
flood storage areas, conservation 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
- 202630 Jan
Details of whole life carbon assessment prior to commencement of any work on site including all works of…
This applicationApprovedDischarge of conditions26/00544/ADFULL - 202630 Jan
Details of mechanical ventilation systems pursuant to Condition 26 of planning permission dated 4 April (Ref…
ApprovedDischarge of conditionsFiled alongside26/00566/ADFULL - 202628 Jan
Details of Circular Economy Statement pursuant to Condition 34a of planning permission dated 4 April 2025…
ApprovedApplicationFiled alongside26/00488/ADFULL
Planning history at this site
14 other applications at this property, newest first.
- 202624 Aug
Detailed Circular Economy Statement pursuant to Condition 34 (B) of planning permission dated 16th July 2026…
ApprovedDischarge of conditions26/05793/ADFULL - 202624 Aug
Details of Whole Life Carbon Assessment pursuant to condition 33 (B) of planning permission dated 16th July…
PendingApplication26/05792/ADFULL - 202620 Aug
Display of low-level non-illuminated advertisement on hoardings fronting Dorset Street measuring 2.44m x…
ApprovedAdvertisement consent26/05720/ADV - 202614 Aug
Amendments to planning permission dated 16th July 2026 (RN 26/02205/FULL
PendingNon-material amendment26/05568/NMA - 202621 May
Detailed completed Appendix A checklist from the Code of Construction Practice, signed by the applicant and…
ApprovedDischarge of conditions26/03376/ADFULL - 20261 Apr
Variation of condition 40 of planning permission dated 4th April 2025 (RN 15/00011/FULL
ApprovedVariation of conditions (s73)26/02205/FULL - 202617 Mar
Request that the City Council agrees not to enforce the provisions of Schedule 1, Clause 1.1 of the legal…
ApprovedDischarge of conditions26/01718/MOD106 - 202619 Feb
Registering to assign address numbering and postcode to post development residential and commercial units…
PendingAll OtherSNN25/00035 - 202627 Jan
Details of tree protection pursuant to Condition 40 of planning permission dated 04 April 2025 (Ref…
ApprovedDischarge of conditions26/00484/ADFULL - 202622 Jan
Removal and reinstatement of street trees to facilitate construction, and associated works.
WithdrawnApplication26/00382/FULL - 202531 Oct
Detailed site investigation pursuant to condition 24 (phase 2 & 3) of planning permission dated 4th April…
ApprovedDischarge of conditions25/07925/ADFULL - 202531 Oct
Amendments to planning permission dated 4th April 2025 (RN:22/08200/FULL
ApprovedNon-material amendment25/07926/NMA - 202511 Aug
Deed of Variation to the Section 106 agreement (Ref: 40020699) pursuant to planning permission dated 4 April…
ApprovedAll Other25/05000/MOD106 - 202524 Jul
Baker Street NMA
ApprovedNon-material amendment25/05167/NMA
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
- Development Site At 38-70 Baker Street, 64-66 Blandford Street And 43-45 Dorset Street London26/00566/ADFULL · ConditionsApproved0.0 mi
- Development Site At 38-70 Baker Street, 64-66 Blandford Street And 43-45 Dorset Street London25/07925/ADFULL · ConditionsApproved0.0 mi
- Development Site At 38-70 Baker Street, 64-66 Blandford Street And 43-45 Dorset Street London26/01718/MOD106 · ConditionsApproved0.0 mi
- Development Site At 38-70 Baker Street, 64-66 Blandford Street And 43-45 Dorset Street London25/07926/NMA · AmendmentApproved0.0 mi
- Development Site At 38-70 Baker Street, 64-66 Blandford Street And 43-45 Dorset Street London26/02205/FULL · FullApproved0.0 mi
For applicants and trades
Contractors near this project
- Atlas South Technical Service LimitedVerifiedLondonProperty MaintenanceHandyman0.7 mi
- Avent Roofing ServicesVerifiedWestminsterRoofing1.0 mi
- Orient Construction Consultancy LimitedVerifiedLondon4.1 mi
- Nova Coat & PlasterVerifiedStreatham, LondonRenovations & RefurbishmentsPlastering5.7 mi
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