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5, Bryanston Square, W1H 2DH

25/05029/FULLFull planning permissionRefused
Full

Refused on 5 September 2025

Approximate site (title boundary)
Boundary © HM Land Registry, © Ordnance Survey · details

This information is subject to Crown copyright and database rights 2026 and is reproduced with the permission of HM Land Registry. The polygons (including the associated geometry, namely x, y co-ordinates) are subject to Crown copyright and database rights 2026 Ordnance Survey AC0000851063. Conditions of use.

Proposal

Installation of replacement windows, refurbishment of front and rear balconies and railings at first floor level; Internal refurbishments throughout including installation of new electrical and mechanical services to suit; new opening to erect partitions and other associated works. (Linked with 25/03423/LBC)

Submitted
18 July 2025
  1. Received18 Jul
  2. Validated
  3. Consult.
  4. Target
  5. Decided5 Sep

Decided in 49 days (council typically 49)

About this application

This is a planning application for window replacement at 5, Bryanston Square, W1H 2DH. Westminster has handled 804 applications of this type. This one was decided in 49 days. The site is in the Portman Estate conservation area, with 15 listed buildings nearby. There have been 3 other applications at this address. In the past year there have been 191 applications across MBW_22. We hold 896 applications in total for the W1H postcode area.

84% of full planning permission 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 2DH
Application type
Full planning permission

Site constraints

Checking the site
2/3
Council recordsAppealsFlood risk

Designations that overlap or adjoin the site outline.

  • Conservation area: Portman Estate
  • Listed building: Flat 1 10 - 12 Bryanston Square London W1H 2DLOn or next to this site
  • Article 4 direction: Article 4 Basement Development Permitted Rights Removed
  • Flood zone 1: Low probability (rivers and sea)
Also checked, none recorded (22)

flood storage areas, listed buildings, 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
    18 Jul

    Installation of replacement windows, refurbishment of front and rear balconies and railings at first floor…

    RefusedListed building consentPart of25/03423/LBC
  2. 2025
    18 Jul

    Installation of replacement windows, refurbishment of front and rear balconies and railings at first floor…

    This applicationRefusedFull planning permission25/05029/FULL

Planning history at this site

5 other applications at this property, newest first.

  1. 2026
    2 Oct

    Replacement of french doors and glazed side lights, with new leaves to match slimline double glazing. (Linked…

    PendingListed building consent26/06756/LBC
  2. 2026
    2 Oct

    Replacement of french doors and glazed side lights, with new leaves to match slimline double glazing. (Linkde…

    PendingAll Other26/06755/FULL
  3. 2026
    12 Aug

    Removal of defective and partial lath and plaster infill between joist to separating floor to flat below and…

    ApprovedListed building consent26/05471/LBC
  4. 2025
    13 Oct

    Internal alterations including replacement of windows and French Windows; refurbishment of balconies and…

    ApprovedListed building consent25/07211/LBC
  5. 2025
    7 Oct

    Internal alterations including repair, refurbishment and repainting of the windows and french windows…

    ApprovedFull Planning Permission Application25/07257/FULL

Source: Westminster

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

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