10 Duchess Street London W1G 9AB
Proposal
Internal alterations.
- Received
- 19 July 2024
- Target decision date
- 13 September 2024
- Council
- City of Westminster
- Ward
- Marylebone
- ReceivedSubmitted19 Jul
- ValidatedValidated19 Jul
- Consult.Consultation
- TargetTarget Date13 Sep
- DecidedDecided
This is a heritage application at 10 Duchess Street London W1G 9AB. Westminster has handled 2,686 applications of this type and approves 91% of them, typically deciding them in 65 days. It was submitted on 19 July 2024 and is still awaiting a decision. The site is in the Harley Street conservation area, with 20 listed buildings nearby. There are no previous applications recorded at this address. In the past year there have been 196 applications across Marylebone. We hold 574 applications in total for the W1G postcode area.
Application Details
Applicant & Agent
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 W1G
New planning applications delivered to your inbox weekly.
Planning constraints
Designations at the address point. Ones next to the site may also apply.
- Conservation area: Harley Street
- 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.
Before the decision
You may need a heritage statement. Heritage & archaeology consultants near this site
This is an application for listed building consent.
Consultants on this application
- The JTS Partnership LLP · Agent for this application
- 0.2 miLondonRTPI
- 0.3 miLondonRTPIRICS Regulated
- 0.4 miLONDONRTPI
Nearest first, within 25 miles of the site. Every firm is listed free.
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.