26 Seymour Street London W1H 7JA Data via plota.co.uk
Proposal
Removal of existing fixed door and reinstatement of new fire rated timber door. Data via plota.co.uk
Application progress
Approved on 4 Sept 2026 · Delegated Decision · Last checked 10 Sept 2026
Documents 13
Decision & officer reports 2
Statements & assessments 2
Plans & drawings 6
Application forms 1
Site constraints 12
Show the other 23 with distances
- 4 m21-25, New Quebec Street W1Grade II
- 17 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
- 28 m11-19, SEYMOUR STREET W1 (See details for further address information)Grade II
- 30 m1, New Quebec Street W1Grade II
- 30 m10-20, Seymour Street W1Grade II
- 36 m4, New Quebec Street W1Grade II
- 37 mChurch of the AnnuciationGrade II*
- 44 m14-19, New Quebec Street W1Grade II
- 51 mThe Montcalm Hotel (2 Wallenberg Place) and 42 Great Cumberland Place, with area railingsGrade II
- 52 m7, New Quebec Street W1Grade II
- 55 mMarylebone War MemorialGrade II
- 68 m66-69, Upper Berkeley Street W1Grade II
- 101 m11 and 12, Upper Berkeley Street W1Grade II
- 101 mNorthern Part of Mostyn HotelGrade II
- 103 m35A, GREAT CUMBERLAND PLACE W1 (See details for further address information)Grade II
- 108 m13 to 15, Upper Berkeley Street W1Grade II
- 114 m16, Upper Berkeley Street W1Grade II
- 119 mVad Ladies ClubGrade II
- 136 m53-60, Upper Berkeley Street W1Grade II
- 139 m37a, Great Cumberland Place W1Grade II
- 145 m20, Montagu Street W1Grade II
- 145 m37, Great Cumberland Place W1Grade II
- 148 m19-27, Upper Berkeley StreetGrade II
Checked on 6 October 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.
Every application in Westminster - and every UK council - as a live feed, an API, or a bulk CSV export.
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Important details
- Council
- Westminster
- Application type
- Listed Building Consent Application
- Postcode
- W1H 7JA
- Received
- 17 Aug 2026
- Validated
- 17 Aug 2026
- Ward
- Marylebone
- Case officer
- Show
- Target decision
- 12 Oct 2026
- Decision
- Application Permitted
- Decision date
- 4 Sept 2026
- Decision level
- Delegated Decision
- Applicant
- Show
- Agent
- Project and Building Consultancy
How this decision compares
Decided in 18 days from validation, 37 days faster than Westminster's median of 55 for extensions. Approved, as 88% of extensions here are.
Plota live figures for extensions decided by Westminster in the last twelve months, from validation. Westminster decision record →
Public comments
No public comments yet.
Last counted 10 Sept 2026
Consultation & key dates
- Alt. reference
- PP-15163412
- Planning Portal ref
- PP-15163412
- Env. assessment
- No
Historical activity at this location
25 nearby applications on record - archival context, not part of the live application.
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.
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26 Seymour Street London W1H 7JA
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