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54A Upper Montagu Street London W1H 1SL

21/02824/LBCListed Building Consent ApplicationApproved
Listed building consent

Approved on 31 August 2021

Council decision: Application PermittedDelegated (officer decision)

Approximate location: the centre of the postcode, not the exact property.

Proposal

Infill of rear lower ground floor courtyard, part excavation of front pavement vaults and the rear courtyard, installation of new metal stair in the front lightwell and internal alterations at lower ground and ground floor levels. Linking the vaults to the lower ground floor flat, formation of a new entrance door and surround to the lower ground floor flat and reinstatement of the original lightwell window.

Received
28 April 2021
Decision level
Delegated (officer decision)
Public comments
4
Ward
Bryanston And Dorset Square
Agent
HUUK Architects Limited
  1. Received28 Apr
  2. Validated23 May
  3. Consult.
  4. Target18 Jul
  5. Decided31 Aug

Decided in 100 days (council typically 49)

About this application

This is a heritage application for window replacement at 54A Upper Montagu Street London W1H 1SL. Westminster has handled 2,677 applications of this type. This one was decided in 125 days, 11 weeks longer than Westminster's typical decision time. The site is in the Portman Estate conservation area, with 20 listed buildings nearby. There has been 1 other application at this address. 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 1SL
Application type
Listed Building Consent Application
Scale / size
Small

Planning application dates

Date validated
23 May 2021
Target decision date
18 July 2021
Decision issued
1 September 2021

Applicant and agent

Agent
HUUK Architects Limited
Agent address
9-10 Jew Street Brighton BN1 1UT

Planning decision

Statutory period
56 days

Additional information

Planning Portal ID
PP-09789693
Documents
13

Site constraints

Checking the site
2/3
Council recordsAppealsFlood risk

Designations at the address point. Ones next to the site may also apply.

  • Conservation area: Portman Estate
  • Listed building: Grade II: 54, Upper Montagu Street W1On or next to this site · +2 more
  • Article 4 direction: Article 4 Basement Development Permitted Rights Removed
  • 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. 2021
    28 Apr

    Infill of rear lower ground floor courtyard, part excavation of front pavement vaults and the rear courtyard…

    ApprovedApplication for full Planning PermissionFiled alongside21/02823/FULL
  2. 2021
    28 Apr

    Infill of rear lower ground floor courtyard, part excavation of front pavement vaults and the rear courtyard…

    This applicationApprovedListed building consent21/02824/LBC

Source: Westminster

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

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