Amisa House 25 York Street London W1U 6PG
Withdrawn on 29 June 2021
Council decision: Application WithdrawnDelegated (officer decision)
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
Retention of railings, door and stairs at rear first floor level in association with the roof terrace. Erection of infill extension to lower ground floor courtyard, demolition of a portion of the rear extension wall on the lower ground floor, installation of replacement rooflight, front door and rear side window. Internal alterations including installation of an internal staircase between the ground floor and lower ground floor, alterations to partitions at lower ground and ground floor, relocation of plant to vaults, installation of a replacement door at lower ground floor, installation of steel glazed door in entrance hall, and replacement of fixtures and fittings throughout (linked to 21/00831/FULL).
- Received
- 11 February 2021
- Decision level
- Delegated (officer decision)
- Council
- City of Westminster
- Ward
- Marylebone High Street
- Agent
- Hugh Cullum Architects Ltd
- ReceivedReceived11 Feb
- ValidatedValidated16 Feb
- Consult.Consultation
- TargetTarget Date13 Apr
- DecidedDecided29 Jun
Decided in 133 days (council typically 49)
About this application
This is a heritage application for demolition at Amisa House 25 York Street London W1U 6PG. Westminster has handled 2,677 applications of this type. It was withdrawn 138 days after it was submitted, before a decision was made. The site is in the Portman Estate conservation area, with 20 listed buildings nearby. There have been 5 other applications at this address. We hold 1,070 applications in total for the W1U 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
- W1U 6PG
- Application type
- Listed Building Consent Application
- Scale / size
- Small
Planning application dates
- Date validated
- 16 February 2021
- Target decision date
- 13 April 2021
Applicant and agent
- Agent
- Hugh Cullum Architects Ltd
- Architect profile
- HUGH CULLUM ARCHITECTS LIMITED
- Agent address
- 61B Judd Street London WC1H 9QT
Planning decision
- Statutory period
- 56 days
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
- 202111 Feb
Retention of railings, door and stairs at rear first floor level in association with the roof terrace. Use of…
WithdrawnApplication for full Planning PermissionPart of21/00831/FULL - 202111 Feb
Retention of railings, door and stairs at rear first floor level in association with the roof terrace…
This applicationWithdrawnListed building consent21/00832/LBC
Planning history at this site
4 other applications at this property, newest first.
- 202114 Jul
Amendment to the lower ground courtyard with partial glazed covering and internal works.
ApprovedApplication for full Planning Permission21/04791/FULL - 202114 Jul
Retention of external terrace door and steps, replacement front door, replacement roof light and internal…
ApprovedListed building consent21/04794/LBC - 202114 Jul
Amendment to the lower ground courtyard with partial glazed covering and internal works
ApprovedListed building consent21/04792/LBC - 202114 Jul
Retention of external terrace door and steps, replacement front door, replacement roof light and internal…
ApprovedApplication for full Planning Permission21/04793/FULL
Source: Westminster
Contains public sector information from the Planning London Datahub, licensed under the Open Government Licence v3.0.
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Around this site
Nearby applications
- Amisa House 25 York Street London W1U 6PG21/04794/LBC · HeritageApproved0.0 mi
- Amisa House 25 York Street London W1U 6PG21/04793/FULL · FullApproved0.0 mi
- Amisa House 25 York Street London W1U 6PG21/04791/FULL · FullApproved0.0 mi
- 25 York Street London W1U 6PG07/08240/FULL · FullApproved0.0 mi
- Amisa House 25 York Street London W1U 6PG21/04792/LBC · HeritageApproved0.0 mi
For applicants and trades
Contractors near this project
Find contractors for extensions near this site- Atlas South Technical Service LimitedVerifiedLondonProperty MaintenanceHandyman0.8 mi
- Avent Roofing ServicesVerifiedWestminsterRoofing1.1 mi
- Orient Construction Consultancy LimitedVerifiedLondon4.2 mi
- Nova Coat & PlasterVerifiedStreatham, LondonRenovations & RefurbishmentsPlastering5.8 mi
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