Flat 44 2 Mansfield Street London W1G 9NF
Approved on 25 October 2023
Council decision: Application PermittedDelegated (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
External configuration of the existing balustrade with new balustrading to match existing at terrace level and the expansion of the terrace.
- Received
- 7 July 2023
- Decision level
- Delegated (officer decision)
- Council
- City of Westminster
- Ward
- Marylebone
- Agent
- Locksley Architects
- ReceivedReceived7 Jul
- ValidatedValidated13 Jul
- Consult.Consultation
- TargetTarget Date7 Sep
- DecidedDecided25 Oct
Decided in 104 days (council typically 49)
About this application
This is a full planning application at Flat 44 2 Mansfield Street London W1G 9NF. Westminster has handled 4,484 applications of this type. This one was decided in 110 days, 9 weeks longer than Westminster's typical decision time. The site is in the Harley Street conservation area, with 18 listed buildings nearby. There are no previous applications recorded at this address. In the past year there have been 168 applications across Marylebone. We hold 590 applications in total for the W1G postcode area.
86% of full 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
- W1G 9NF
- Application type
- Full Planning Permission Application
- Scale / size
- Small
Planning application dates
- Date validated
- 13 July 2023
- Consultation expiry
- 16 August 2023
- Target decision date
- 7 September 2023
Applicant and agent
- Agent
- Locksley Architects
- Architect profile
- LOCKSLEY ARCHITECTS LIMITED
- Agent address
- 11 Pembridge Mews Notting Hill London W11 3EQ
Planning decision
- Statutory period
- 56 days
Publicity
- Last advertised
- 26 July 2023
- Advertisement expiry
- 16 August 2023
- Site notice start
- 19 July 2023
- Site notice end
- 9 August 2023
Site constraints
Designations that overlap or adjoin the site outline.
- Conservation area: Harley Street
- Listed building: Grade II: No 2 and Attached Railings No 4 and Attached RailingsOn this site · +4 more
- 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.
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
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