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66 Chiltern Street London W1U 4EJ

21/01327/FULLApplication for full Planning PermissionApproved
Full

Approved on 28 April 2021

Council decision: Application PermittedDelegated (officer decision)

Approximate location: the centre of the postcode, not the exact property.

Proposal

Use of ground floor level as flexible use for either Restaurant/Retail/Office/Gym [Class E (a)(b)(d)(g)].

Received
3 March 2021
Decision level
Delegated (officer decision)
Ward
Marylebone High Street
  1. Received3 Mar
  2. Validated3 Mar
  3. Consult.
  4. Target28 Apr
  5. Decided28 Apr

Decided in 56 days (council typically 49)

About this application

This is a full planning application at 66 Chiltern Street London W1U 4EJ. Westminster has handled 4,484 applications of this type. This one was decided in 56 days, 7 days longer than Westminster's typical decision time. The site is in 4 listed buildings nearby. There has been 1 other application at this address. We hold 1,070 applications in total for the W1U postcode area.

86% of full 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
W1U 4EJ
Application type
Application for full Planning Permission
Scale / size
Small

Planning application dates

Date validated
3 March 2021
Consultation expiry
7 April 2021
Target decision date
28 April 2021

Applicant and agent

Agent
DP9
Agent address
100 Pall Mall St. James's London SW1Y 5NQ

Planning decision

Statutory period
56 days

Publicity

Last advertised
17 March 2021
Advertisement expiry
7 April 2021
Site notice start
9 March 2021
Site notice end
30 March 2021

Additional information

Planning Portal ID
PP-09562809
Comments
0
Documents
19

Site constraints

Checking the site
2/3
Council recordsAppealsFlood risk

Designations at the address point. Ones next to the site may also apply.

  • Article 4 direction: Article 4 Basement Development Permitted Rights Removed
  • 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.

Source: Westminster

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

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