51 Upper Montagu Street London W1H 1FQ
Proposal
Details of Desktop study and Site investigation reports pursuant to partial discharge of Condition 11 (Phase 2 and Phase 3) of planning permission dated 24th October 2025 (RN: 25/03874/FULL).
- Received
- 21 September 2026
- Public comments
- 0 · last counted 12 October 2026
- Council
- City of Westminster
- ReceivedReceived21 Sep
- ValidatedValidated21 Sep
- Consult.Consultation
- TargetTarget Date
- DecidedDecided
Have your say
About this application
This is a planning application at 51 Upper Montagu Street London W1H 1FQ. Westminster has handled 27,140 applications of this type. It has been with the council since 21 September 2026 and is still awaiting a decision. The site is in the Portman Estate conservation area, with 20 listed buildings nearby. There have been 3 other applications at this address. We hold 899 applications in total for the W1H postcode area.
Application details
- Postcode
- W1H 1FQ
Planning application dates
- Date validated
- 21 September 2026
Additional information
- Documents
- 8
Site constraints
Designations that overlap or adjoin the site outline.
- Conservation area: Portman Estate
- 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
- 202621 Sep
Details of Desktop study and Site investigation reports pursuant to partial discharge of Condition 11 (Phase…
This applicationPendingDischarge of conditions26/06443/ADFULL - 202612 Feb
Details of supplementary acoustic report, detailed drawings of all new doors and windows, new first floor…
ApprovedDischarge of conditions26/00898/ADFULL - 20259 Jun
Internal alterations including lowering of the floor level to the lower ground floor; Installation of…
ApprovedListed building consentPart of25/03874/FULL - 20259 Jun
Internal alterations including lowering of the floor level to the lower ground floor; Installation of…
ApprovedListed building consentFiled alongside25/03875/LBC
Planning history at this site
3 other applications at this property, newest first.
- 202623 Oct
Internal alterations to include additional floor lowering within the lower ground floor WC to match the…
PendingListed building consent26/07161/LBC - 202611 Feb
Detailed drawings of new doors, new windows including sections and glazing bar profiles, new skirting, and…
ApprovedListed building consent26/00814/ADLBC - 20242 Oct
Investigative opening up works at all floor levels.
ApprovedListed building consent24/06878/LBC
Source: Westminster
Contains public sector information from the Planning London Datahub, licensed under the Open Government Licence v3.0.
Track this application
Get email alerts when there is a planning decision or status change.
Get email alerts near W1H
New planning applications delivered to your inbox daily.
Around this site
Nearby applications
- 51 Upper Montagu Street London W1H 1FQ26/00898/ADFULL · ConditionsApproved0.0 mi
- 51 Upper Montagu Street London W1H 1FQ26/00814/ADLBC · ConditionsApproved0.0 mi
- 51 Upper Montagu Street London W1H 1FQ24/06878/LBC · HeritageApproved0.0 mi
- 53 Upper Montagu Street London W1H 1SE07/09108/FULL · FullApproved0.0 mi
- 53 Upper Montagu Street London W1H 1SE07/09109/LBC · HeritageApproved0.0 mi
For applicants and trades
Before the decision
You may need a heritage statement. Heritage & archaeology consultants near this site
A listed building is on or next to this site.
- 0.3 miLONDONRTPI
- 0.8 miLondonRTPI
- 1.6 miLondonRTPI
Nearest first, within 25 miles of the site. Every firm is listed free.
Contractors near this project
- Atlas South Technical Service LimitedVerifiedLondonProperty MaintenanceHandyman0.9 mi
- Avent Roofing ServicesVerifiedWestminsterRoofing1.2 mi
- Hillgrove Projects LtdVerifiedLondon4.1 mi
- Orient Construction Consultancy LimitedVerifiedLondon4.2 mi
Planning something similar?
See what the council approved and refused on your street for the project you have in mind. Pick your home and get the evidence before you pay for drawings.