4 Bryanston Street London W1H 7BY Data via plota.co.uk
Proposal
Installation of a replacement extract duct on the rear elevation of a building fronting Portman Street to terminate at roof level. (Linked to 25/07844/LBC) Data via plota.co.uk
Application progress
Approved on 30 Apr 2026 · Delegated Decision · Last checked 17 Oct 2026
Documents 33
Decision & officer reports 2
Statements & assessments 4
Plans & drawings 10
Application forms 1
Consultation & comments 4
Other documents 12
Site constraints 12
Show all 13 with distances
- 11 mNorthern Part of Mostyn HotelGrade II
- 35 m10, Portman Street W1Grade II
- 59 m11-19, SEYMOUR STREET W1 (See details for further address information)Grade II
- 64 m10-20, Seymour Street W1Grade II
- 95 m1, New Quebec Street W1Grade II
- 104 m4, New Quebec Street W1Grade II
- 106 m22-36, Seymour Street W1Grade II
- 111 m21-25, New Quebec Street W1Grade II
- 111 mChurch of the AnnuciationGrade II*
- 111 mMarylebone War MemorialGrade II
- 121 m7, New Quebec Street W1Grade II
- 138 m14-19, New Quebec Street W1Grade II
- 143 mWestern Marble Arch Synagogue (1 Wallenberg Place and 13 Quebec Mews), 24 Great Cumberland Place and 38 Seymour Street, with area railings, and standard lanterns to 38 Seymour StreetGrade II
Checked on 2 November 2026. Historic England, the Environment Agency, Natural England, the Planning Inspectorate, Transport for London (public transport access levels, Powered by TfL Open Data, OGL v3.0, contains OS data © Crown copyright and database right 2025) and council datasets, Open Government Licence. A boundary can run through a site and the council holds the definitive record: confirm with the council before relying on this.
Building
From the energy performance certificate lodged in March 2020, the latest held for this property. The building may have changed since. View the certificate
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Important details
- Council
- Westminster
- Application type
- Full Planning Permission Application
- Postcode
- W1H 7BY
- Received
- 29 Oct 2025
- Validated
- 29 Oct 2025
- Ward
- West End
- Case officer
- Show
- Target decision
- 24 Dec 2025
- Decision
- Application Permitted
- Decision date
- 30 Apr 2026
- Decision level
- Delegated Decision
- Agent
- Firstplan
How this decision compares
Decided in 183 days from validation, 107 days slower than Westminster's median of 76 for full applications. Approved, as 86% of full applications here are.
Plota live figures for full applications decided by Westminster in the last twelve months, from validation. Westminster decision record →
Public comments
No public comments yet.
72 neighbours consulted · Last counted 17 Oct 2026
Consultation & key dates
- Alt. reference
- PP-14447842
- Planning Portal ref
- PP-14447842
- Comments by
- 26 Nov 2025
- Site or press notice
- 5 Nov 2025
- Env. assessment
- No
Historical activity at this location
40 previous applications on record - archival context, not part of the live application.
Previous applications at this address
Nearby activity
Westminster is slower than most councils at deciding householder applications, ranking #258 out of 296. Only 28% of applications have the time limit extended, well below the 41% national average - the council usually decides on time. Westminster is also one of the strictest councils - it refuses more householder applications than almost any other, with only 81% approved vs 90% nationally.
Energy performance: Energy performance certificates from the Energy Performance of Buildings Register, Ministry of Housing, Communities and Local Government. Contains public sector information licensed under the Open Government Licence v3.0. © Crown copyright 2026.
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4 Bryanston Street London W1H 7BY
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