Christ Church Cosway Street London NW1 5BT
Proposal
Removal of the existing air handling unit and ductwork inside The Bell Tower, removal of the plasterboard ceiling to the underside of the floor supporting the existing air handling unit; instal new air handling unit and ductwork inside The Bell Tower, structural repairs to the floor supporting the new air handling unit and new fire rated plasterboard ceiling/access hatch to the underside of the floor supporting the new air handling unit. (Linked to 25/05258/LBC)
- Received
- 14 August 2025
- Decided
- 10 March 2026
- Council
- City of Westminster
- Ward
- Church Street
Boundary © HM Land Registry, © Ordnance Survey · details
This information is subject to Crown copyright and database rights 2026 and is reproduced with the permission of HM Land Registry. The polygons (including the associated geometry, namely x, y co-ordinates) are subject to Crown copyright and database rights 2026 Ordnance Survey AC0000851063. Conditions of use.
- ReceivedReceived14 Aug
- ValidatedValidated14 Aug
- Consult.Consultation
- TargetTarget Date9 Oct
- DecidedDecided10 Mar
Decided in 208 days (council typically 49)
This is a full planning application at Christ Church Cosway Street London NW1 5BT. Westminster has handled 4,484 applications of this type and approves 85% of them, typically deciding them in 74 days. This one was decided in 208 days, 19 weeks longer than Westminster's median. The site is in the Lisson Grove conservation area, with 2 listed buildings nearby. There have been 6 other applications at this address. In the past year there have been 33 applications across Church Street. We hold 3,130 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.
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Associated applications
- 202514 Aug
Removal of the existing air handling unit and ductwork inside The Bell Tower, removal of the plasterboard…
This applicationWithdrawnFull25/05737/FULL - 202528 Jul
Removal of the existing air handling unit and ductwork inside The Bell Tower, removal of the plasterboard…
ApprovedListed building consentPart of25/05258/LBC
Planning history at this site
7 other applications at this property, newest first.
- 202611 Mar
Internal works associated with creation of new tea point and table tennis store to ground floor. To note the…
ApprovedLBC Applic. Council's Own Dev.26/01736/COLBC - 202517 Jul
Internal alterations at basement level including removal of modern partitions and doors, installation of new…
ApprovedListed building consent25/04949/LBC - 202511 Jun
Installation of replacement joists, ply deck and firrings to existing Bell Street porch roof, and replacement…
ApprovedListed building consent25/03992/LBC - 202530 Apr
Installation of a new steel structure to support the existing reinforced concrete slab on the north, south…
ApprovedListed building consent25/02982/LBC - 202422 Aug
Replacement of north & south flat roof gallery ceilings with new traditional lath & plaster ceiling; new lead…
PendingFull Planning Permission Application24/05855/FULL - 202422 Aug
Replacement of north & south flat roof gallery ceilings with new traditional lath & plaster ceiling; new lead…
PendingListed building consent24/05856/LBC - 202425 Jul
Internal alterations including the removal of the existing modern sprung floor covering, the removal of the…
PendingListed building consent24/05078/LBC
Planning constraints
Designations that overlap or adjoin the site outline.
- Conservation area: Lisson Grove
- Article 4 direction: Article 4 Basement Development Permitted Rights Removed
- Brownfield land register: Marylebone Institute School House 29 Cosway Street London NW1 6THRegister site at or near this address · +1 more
- Flood zone 1: Low probability (rivers and sea)
Also checked, none recorded (20)
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 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 2026-10-09. 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.
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