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Basement Part 10A Chandos Street London W1G 9DQ

26/01962/AD7Advert Application-Regulat. 7 Area (AD7)Approved
Advertisement consent

Approved on 14 April 2026

Site boundary (council red line)

Proposal

Display for a temporary period of six months of a non-illuminated 'to let' board attached to the railings in front of the building at street level and measuring 0.6 x 0.9m.

Received
25 March 2026
Ward
Marylebone
  1. Received25 Mar
  2. Validated25 Mar
  3. Consult.
  4. Target20 May
  5. Decided14 Apr

Decided in 20 days (council typically 49)

About this application

This is an advertising consent application at Basement Part 10A Chandos Street London W1G 9DQ. Westminster has handled 1,279 applications of this type. This one was decided in 20 days, 4 weeks quicker than Westminster's typical decision time. The site is in the Harley Street conservation area, with 13 listed buildings nearby. There are no previous applications recorded at this address. In the past year there have been 171 applications across Marylebone. We hold 590 applications in total for the W1G postcode area.

87% of advertising 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
W1G 9DQ
Application type
Advert Application-Regulat. 7 Area (AD7)
Scale / size
Small

Planning application dates

Date validated
25 March 2026
Target decision date
20 May 2026

Planning decision

Statutory period
56 days

Additional information

Planning Portal ID
PP-14810319
Comments
0
Documents
5

Site constraints

Checking the site
2/3
Council recordsAppealsFlood risk

Designations that overlap or adjoin the site outline.

  • Conservation area: Harley Street
  • Listed building: Grade II: 10a, 11 and 12, Chandos Street W1On or next to this site
  • 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 2026-11-03. 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.

Source: Westminster

Contains public sector information from the Planning London Datahub, licensed under the Open Government Licence v3.0.

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