1 Marylebone Road London NW1 4AQ
Proposal
Installation of staircase to the external lower ground entrance on the eastern side of the building and removal of adjacent metal railings and reinstatement of stone plinth (retrospective application) (Linked to 26/04428/FULL)
- Received
- 3 July 2026
- Decided
- 18 August 2026
- Council
- City of Westminster
- Ward
- West End
- ReceivedSubmitted3 Jul
- ValidatedValidated3 Jul
- Consult.Consultation
- TargetTarget Date28 Aug
- DecidedDecided18 Aug
Decided in 46 days (council typically 49)
This is a heritage application at 1 Marylebone Road London NW1 4AQ. Westminster has handled 2,686 applications of this type and approves 91% of them, typically deciding them in 65 days. This one was decided in 46 days, 3 weeks quicker than Westminster's median. The site is in the Regent's Park conservation area, with 7 listed buildings nearby. There have been 13 other applications at this address. In the past year there have been 517 applications across West End. We hold 3,114 applications in total for the NW1 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.
Track this application
Get email alerts when there is a planning decision or status change.
Get email alerts near NW1
New planning applications delivered to your inbox weekly.
Associated applications
- 20269 Sep
Detailed drawings and sample of Stone (with quarry specification) for plinth, showing material and finish to…
ApprovedApplicationRelated26/06161/ADFULL - 20263 Jul
Installation of staircase to the external lower ground entrance on the eastern side of the building and…
ApprovedFull Planning Permission ApplicationPart of26/04428/FULL - 20263 Jul
Installation of staircase to the external lower ground entrance on the eastern side of the building and…
This applicationApprovedListed building consent26/04429/LBC
Planning history at this site
8 other applications at this property, newest first.
- 20268 Sep
Detailed drawings and sample of the Stone (with quarry specification) for plinth, showing material and finish…
ApprovedApplication26/06135/ADLBC - 202620 Mar
Installation of staircase to the external lower ground entrance on the eastern side of the building and…
RefusedApplication26/01331/FULL - 20263 Mar
Installation of CCTV camera and door entry pad to the lower ground crypt entrance on the eastern side of the…
ApprovedListed building consent26/01334/LBC - 20263 Mar
Installation of staircase to the external lower ground entrance on the eastern side of the building and…
RefusedListed building consent26/01332/LBC - 20263 Mar
Installation of two air-conditioning units close to the western stair fire-escape exit to the lower-ground…
ApprovedListed building consent26/01336/LBC - 20263 Mar
Installation of two air-conditioning units close to the western stair fire-escape exit to the lower-ground…
ApprovedFull Planning Permission Application26/01335/FULL - 20263 Mar
Installation of CCTV camera and door entry pad to the lower ground crypt entrance on the eastern side of the…
ApprovedFull Planning Permission Application26/01333/FULL - 202630 Jan
Installation of gates within the existing railings fronting Osnaburgh Street
ApprovedFull Planning Permission Application26/00568/FULL
Planning constraints
Designations that overlap or adjoin the site outline.
- Conservation area: Regent's ParkPart of the site
- Article 4 direction: Article 4 Basement Development Permitted Rights Removed+1 more
- Tree Preservation Order: Ref W215Protected tree on or next to this site · +9 more
- Flood zone 1: Low probability (rivers and sea)
Also checked, none recorded (20)
flood storage areas, 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.
What's been approved on your street?
See what the council approved and refused near this address for the project you have in mind, and the rules that apply here.