6 Upper Wimpole Street London W1G 6LG

26/05049/LBCHeritageApproved

Listed building consent

Approved on 22 October 2026

3 conditions

Site boundary (council red line)

Proposal

Installation of replacement timber sash windows at various levels on the front and rear elevations.

Received: 28 July 2026
Public comments: 0 · last counted 1 October 2026
Council: City of Westminster

ReceivedReceived28 Jul
ValidatedValidated28 Jul
Consult.Consultation
TargetTarget Date
DecidedDecided22 Oct

Decided in 86 days (council typically 49)

About this application

This is a heritage application for window replacement at 6 Upper Wimpole Street London W1G 6LG. Westminster has handled 2,677 applications of this type. This one was decided in 86 days, 5 weeks longer than Westminster's typical decision time. The site is in the Harley Street conservation area, with 20 listed buildings nearby. There have been 12 other applications at this address. In the past year there have been 171 applications across Marylebone. We hold 590 applications in total for the W1G 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.See what's approved near your address

Application details

Postcode: W1G 6LG
Application type: Heritage
Scale / size: Small

Planning application dates

Date validated: 28 July 2026

Additional information

Documents: 14

Site constraints

Checking the site

2/3

Council recordsAppealsFlood risk

Designations that overlap or adjoin the site outline.

Conservation area: Harley Street
Listed building: Grade II: 7, Upper Wimpole Street W1On or next to this site · +1 more
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.

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
4 Aug
Details of protection of historic floor pursuant to condition 7 of listed building consent granted at appeal…
ApprovedListed building consentFiled alongside26/05276/ADLBC
2026
28 Jul
Installation of replacement timber sash windows at various levels on the front and rear elevations.
This applicationApprovedListed building consent26/05049/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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