21 New Quebec Street London W1H 7SA Data via plota.co.uk
Proposal
Formation of new openings in the structural party walls between Nos. 21 and 22 at basement and ground floor levels to create a continuous retail unit. New dumbwaiter to 22. Reinstatement of historic nibs and downstands. No. 21, Replacement of stair balustrades. Plastering and decoration of exposed brickwork in 22 basement. Refurbishment of existing timber floor boards. No. 21 and 22: Installation of new more efficient mechanical and electrical services. Removal of non-original partitions and finishes. Repair and redecoration of existing suspended ceilings at ground floor level. Refurbishment of existing timber sash and casement windows with addition of internal security bars and internal shopfront security barriers. Works to vaults to allow dry storage. Installation of security and fire safety systems to allow safe operation across all three properties. [Linked to 26/04622/FULL] [SITE INCLUDES 20 AND 22 NEW QUEBEC STREET] Data via plota.co.uk
Application progress
Approved on 17 Sept 2026 · Delegated Decision · Last checked 18 Sept 2026
Documents 63
Decision & officer reports 2
Statements & assessments 4
Plans & drawings 48
Application forms 1
Consultation & comments 5
Associated applications 2
- Listed buildingFormation of new openings in the structural party walls between Nos. 21 and 22 at basement…This application26/04623/LBC
Site constraints 12
Show the other 31 with distances
- 14 m14-19, New Quebec Street W1Grade II
- 19 m4, New Quebec Street W1Grade II
- 21 m22-36, Seymour Street W1Grade II
- 23 m7, New Quebec Street W1Grade II
- 26 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
- 27 m1, New Quebec Street W1Grade II
- 32 m10-20, Seymour Street W1Grade II
- 40 m66-69, Upper Berkeley Street W1Grade II
- 40 mThe Montcalm Hotel (2 Wallenberg Place) and 42 Great Cumberland Place, with area railingsGrade II
- 54 m11-19, SEYMOUR STREET W1 (See details for further address information)Grade II
- 67 mChurch of the AnnuciationGrade II*
- 74 m11 and 12, Upper Berkeley Street W1Grade II
- 85 mMarylebone War MemorialGrade II
- 86 m13 to 15, Upper Berkeley Street W1Grade II
- 96 m16, Upper Berkeley Street W1Grade II
- 102 mVad Ladies ClubGrade II
- 103 mNorthern Part of Mostyn HotelGrade II
- 105 m35A, GREAT CUMBERLAND PLACE W1 (See details for further address information)Grade II
- 116 m20, Montagu Street W1Grade II
- 122 m19, Montagu Street W1Grade II
- 128 m37a, Great Cumberland Place W1Grade II
- 129 m18, Montagu Street W1Grade II
- 132 m37, Great Cumberland Place W1Grade II
- 132 m53-60, Upper Berkeley Street W1Grade II
- 137 m39, Great Cumberland Place W1Grade II
- 137 m54 and 56, Great Cumberland Place W1Grade II
- 138 m19-27, Upper Berkeley StreetGrade II
- 141 m41, Great Cumberland Place W1Grade II
- 146 m43, Great Cumberland Place W1Grade II
- 148 mRoyal Intitute of British Architects Drawings CollectionGrade I
- 149 m58-68, Great Cumberland Place W1Grade 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.
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Important details
- Council
- Westminster
- Application type
- Listed Building Consent Application
- Postcode
- W1H 7SA
- Received
- 10 Jul 2026
- Validated
- 20 Jul 2026
- Ward
- Marylebone
- Case officer
- Show
- Target decision
- 17 Sept 2026
- Decision
- Application Permitted
- Decision date
- 17 Sept 2026
- Decision level
- Delegated Decision
- Applicant
- Show
- Agent
- Studio Malaqueen ltd
How this decision compares
Decided in 59 days from validation, about the council's usual 57 days. Approved, as 83% of changes of use here are.
Plota live figures for changes of use decided by Westminster in the last twelve months, from validation. Westminster decision record →
Public comments
Last counted 18 Sept 2026
Consultation & key dates
- Alt. reference
- PP-15073188
- Planning Portal ref
- PP-15073188
- Comments by
- 19 Aug 2026
- Site or press notice
- 29 Jul 2026
- 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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21 New Quebec Street London W1H 7SA
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