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101 St Martin's Lane London WC2N 4AZ

26/01367/FULLFull Planning Permission ApplicationAwaiting decision
Full
Site boundary (council red line)

Proposal

Use of external terrace at 3rd floor level as outdoor amenity space for office, installation of acoustic privacy screen, decking, seating, planters, fixed pergola and associated works.

Received
4 March 2026
Decision due
5 May 2026
Ward
St James's
  1. Received4 Mar
  2. Validated10 Mar
  3. Consult.
  4. Target5 May
  5. Decided

Have your say

Comment on the council's siteDocuments (14)

About this application

This is a full planning application at 101 St Martin's Lane London WC2N 4AZ. Westminster has handled 4,484 applications of this type. It has been with the council since 4 March 2026 and is still awaiting a decision. The site is in the Trafalgar Square conservation area, with 15 listed buildings nearby. There has been 1 other application at this address. In the past year there have been 478 applications across St James's. We hold 300 applications in total for the WC2N 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.See what's approved near your address

Application details

Postcode
WC2N 4AZ
Application type
Full Planning Permission Application
Scale / size
Small

Planning application dates

Date validated
10 March 2026

Applicant and agent

Agent
Newmark
Agent address
One Fitzroy 6 Mortimer Street London W1T 3JJ United Kingdom

Planning decision

Statutory period
56 days

Additional information

Planning Portal ID
PP-14731318
Comments
0
Documents
14

Site constraints

Checking the site
2/3
Council recordsAppealsFlood risk

Designations that overlap or adjoin the site outline.

  • Conservation area: Trafalgar Square+1 more
  • Listed building: Grade II: Duke of York's TheatreOn or next to this site
  • Article 4 direction: Article 4 Basement Development Permitted Rights Removed+1 more
  • Flood zone 1: Low probability (rivers and sea)
Also checked, none recorded (21)

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, 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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Before the decision

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A listed building is on or next to this site.

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