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Marylebone Institute School House 29 Cosway Street London NW1 6TH

10/02059/COFULFull Application for Council's Own Dev.Approved
Full

Approved on 4 May 2010

Council decision: Application PermittedDelegated (officer decision)

Proposal

Retention of the single storey modular office building for continued use by Westminster Youth Services (measuring 21m width x 15.4m depth x 3.2m height) for a further temporary period of 12 months.

Received
9 March 2010
Decision level
Delegated (officer decision)
Ward
Church Street
Agent
Knight Frank LLP
  1. Received9 Mar
  2. Validated9 Mar
  3. Consult.
  4. Target4 May
  5. Decided4 May

Decided in 56 days (council typically 49)

About this application

This is a full planning application at Marylebone Institute School House 29 Cosway Street London NW1 6TH. 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 the Lisson Grove conservation area, with 4 listed buildings nearby. There have been 4 other applications at this address. In the past year there have been 33 applications across Church Street. We hold 3,181 applications in total for the NW1 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
NW1 6TH
Application type
Full Application for Council's Own Dev.
Scale / size
Small

Planning application dates

Date validated
9 March 2010
Consultation expiry
16 April 2010
Target decision date
4 May 2010

Applicant and agent

Agent
Knight Frank LLP
Agent address
55 Baker Street London W1U 8AN

Planning decision

Statutory period
56 days

Publicity

Last advertised
26 March 2010
Advertisement expiry
16 April 2010

Additional information

Comments
0
Documents
8

Site constraints

Checking the site
2/3
Council recordsAppealsFlood risk

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

  • Conservation area: Lisson Grove
  • Article 4 direction: Article 4 Basement Development Permitted Rights Removed
  • Brownfield land register: Stalbridge Street Proposal site E5 Site bounded by Shroton Street, Cosway Street, Bell St…Register site at or near this address · +1 more
  • Flood zone 1: Low probability (rivers and sea)
Also checked, none recorded (21)

flood storage 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 and heritage coasts.

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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