27, 29, Glasshouse Street, W1B 5DF

25/03848/FULLFull planning & listed building consentApproved

Full

Approved on 29 July 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

Replacement of the existing steel windows with a new bespoke windows including associated internal and external works.

Submitted: 6 June 2025
Council: City of Westminster

ReceivedSubmitted6 Jun
ValidatedValidated
Consult.Consultation
TargetTarget Date
DecidedDecided29 Jul

Decided in 53 days (council typically 49)

About this application

This is a planning application for window replacement at 27, 29, Glasshouse Street, W1B 5DF. Westminster has handled 666 applications of this type. This one was decided in 53 days, 4 days longer than Westminster's typical decision time. The site is in the Regent Street conservation area, with 8 listed buildings nearby. There have been 9 other applications at this address. In the past year there have been 469 applications across WEW_22. We hold 372 applications in total for the W1B postcode area.

89% of full planning & listed building consent 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: W1B 5DF
Application type: Full planning & listed building consent

Site constraints

Checking the site

2/3

Council recordsAppealsFlood risk

Designations that overlap or adjoin the site outline.

Conservation area: Regent Street
Listed building: Second Floor 84 - 86 Regent Street London W1B 5RROn 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 (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.

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
5 Jan
Amendments to planning permission dated 29th July 2025 (RN:25/03848/FULL
ApprovedNon-material amendmentAmendment25/08572/NMA
2025
6 Jun
Replacement of the existing steel windows with a new bespoke windows including associated internal and…
This applicationApprovedListed building consent25/03848/FULL
2025
6 Jun
Replacement of the existing steel windows with a new bespoke heritage style window system and associated…
ApprovedListed building consentFiled alongside25/03849/LBC

Planning history at this site

20 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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