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25 Upper Montagu Street London W1H 1SA

25/08299/LBCListed Building Consent ApplicationAwaiting decision
Listed building consent
Site boundary (council red line)

Proposal

Replacement of existing external staircase within front lightwell. (Linked to 25/07358/FULL)

Received
11 November 2025
Decision due
6 January 2026
Ward
Marylebone
  1. Received11 Nov
  2. Validated11 Nov
  3. Consult.
  4. Target6 Jan
  5. Decided

Have your say

Comment on the council's siteDocuments (3)

About this application

This is a heritage application at 25 Upper Montagu Street London W1H 1SA. Westminster has handled 2,677 applications of this type. It has been with the council since 11 November 2025 and is still awaiting a decision. The site is in the Portman Estate conservation area, with 20 listed buildings nearby. There has been 1 other application at this address. In the past year there have been 168 applications across Marylebone. We hold 896 applications in total for the W1H 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.Planning something similar? See what gets approved on your street

Application details

Postcode
W1H 1SA
Application type
Listed Building Consent Application
Scale / size
Small

Planning application dates

Date validated
11 November 2025

Applicant and agent

Agent
Great Plans
Agent address
75 Holders Hill Avenue Hendon London NW4 1ES United Kingdom

Planning decision

Statutory period
56 days

Additional information

Comments
0
Documents
3

Site constraints

Checking the site
2/3
Council recordsAppealsFlood risk

Designations that overlap or adjoin the site outline.

  • Conservation area: Portman Estate
  • Listed building: Grade II: 25-37, Upper Montagu Street W1On 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.

Associated applications

  1. 2025
    11 Nov

    Replacement of existing external staircase within front lightwell. (Linked to 25/07358/FULL

    This applicationPendingListed building consent25/08299/LBC
  2. 2025
    10 Oct

    Replacement of existing external staircase within front lightwell. (Linked to 25/08299/LBC

    PendingFull Planning Permission ApplicationPart of25/07358/FULL

Source: Westminster

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

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For applicants and trades

Before the decision

You may need a heritage statement. Heritage & archaeology consultants near this site

This is an application for listed building consent.

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Nearest first, within 25 miles of the site. Every firm is listed free.

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