1 Marylebone Road London NW1 4AQ

26/01332/LBCListed Building Consent ApplicationRefused

Listed building consent

Refused on 3 June 2026

Site boundary (council red line)

Proposal

Installation of staircase to the external lower ground entrance on the eastern side of the building and removal of adjacent metal railings and stone plinth (retrospective application). [Linked with 26/01331/FULL].

Received: 3 March 2026
Council: City of Westminster
Ward: West End
Agent: Beacon Planning Services Limited

ReceivedReceived3 Mar
ValidatedValidated20 Mar
Consult.Consultation
TargetTarget Date15 May
DecidedDecided3 Jun

Decided in 75 days (council typically 49)

About this application

This is a heritage application at 1 Marylebone Road London NW1 4AQ. Westminster has handled 2,677 applications of this type. This one was decided in 92 days, 6 weeks longer than Westminster's typical decision time. The site is in the Regent's Park conservation area, with 7 listed buildings nearby. There have been 12 other applications at this address. In the past year there have been 484 applications across West End. We hold 3,176 applications in total for the NW1 postcode area.

93% of heritage 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.See what's approved near your address

Application details

Postcode: NW1 4AQ
Application type: Listed Building Consent Application
Scale / size: Small

Planning application dates

Date validated: 20 March 2026
Consultation expiry: 6 May 2026
Target decision date: 15 May 2026

Applicant and agent

Agent: Beacon Planning Services Limited
Agent address: - - - - - -

Planning decision

Statutory period: 56 days

Publicity

Last advertised: 15 April 2026
Advertisement expiry: 6 May 2026

Additional information

Planning Portal ID: PP-14657056
Comments: 0
Documents: 11

Site constraints

Checking the site

2/3

Council recordsAppealsFlood risk

Designations that overlap or adjoin the site outline.

Conservation area: Regent's ParkPart of the site
Listed building: Grade I: Holy Trinity ChurchOn this site
Article 4 direction: Article 4 Basement Development Permitted Rights Removed+1 more
Tree Preservation Order: Ref W215Protected tree on or next to this site · +9 more
Flood zone 1: Low probability (rivers and sea)

Also checked, none recorded (20)

flood storage areas, 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.

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.

Associated applications

2026
20 Mar
Installation of staircase to the external lower ground entrance on the eastern side of the building and…
RefusedApplicationPart of26/01331/FULL
2026
3 Mar
Installation of staircase to the external lower ground entrance on the eastern side of the building and…
This applicationRefusedListed building consent26/01332/LBC

Planning history at this site

10 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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