233 - 237 Old Marylebone Road London NW1 5QT

26/00631/FULLApproved

Approved on 3 July 2026

Council decision: Application Permitted5 conditions

Site boundary (council red line)

Proposal

Erection of a ground floor extension to the front of the building.

Received: 3 February 2026
Council: City of Westminster

ReceivedReceived3 Feb
ValidatedValidated24 Mar
Consult.Consultation
TargetTarget Date
DecidedDecided3 Jul

Decided in 101 days

About this application

This is a planning application for an extension at 233 - 237 Old Marylebone Road London NW1 5QT. Westminster has handled 27,108 applications of this type. This one was decided in 101 days, 7 weeks longer than Westminster's typical decision time. The site is in 6 listed buildings nearby. There have been 8 other applications at this address. We hold 3,180 applications in total for the NW1 postcode area.

Application details

Postcode: NW1 5QT

Planning application dates

Date validated: 24 March 2026

Site constraints

Checking the site

2/3

Council recordsAppealsFlood risk

Designations that overlap or adjoin the site outline.

Listed building: Grade II: 245, Old Marylebone RoadOn or next to this site
Article 4 direction: Article 4 Basement Development Permitted Rights Removed
Brownfield land register: 15 Crawford Place London W1H 4LGRegister site at or near this address
Flood zone 1: Low probability (rivers and sea)

Also checked, none recorded (21)

flood storage areas, conservation 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 2026-11-03. The most publicly available up to date Historic England GIS Data can be obtained from HistoricEngland.org.uk.

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.

Planning history at this site

9 other applications at this property, newest first.

Source: Westminster

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

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