20 New Quebec Street London W1H 7SF Data via plota.co.uk
Proposal
Details of the external acoustic enclosures, the external CCTV cameras, including details of any external wiring, works to vaults to allow dry storage, final design details of floor levelling to rear extension, and final layout of ventilation at lower ground floor pursuant to condition 2 of listed building consent dated 17 September 2026 (RN: 26/04623/LBC). (Linked with 26/06881/ADFULL) Data via plota.co.uk
Application progress
Under consideration
No decision has been issued yet. A decision is expected by 3 Dec 2026.
Documents 18
Plans & drawings 14
Application forms 1
Associated applications 4
- Listed buildingFormation of new openings in the structural party walls between Nos. 21 and 22 at basement…26/04623/LBC
Conditions 2 awaiting decision
- ConditionsDetails of the external acoustic enclosures, the external CCTV cameras, including details…This application26/06931/ADLBC
Show 1 more · 1 pending
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 14 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
- Approval of Details (ADLBC)
- Postcode
- W1H 7SF
- Received
- 8 Oct 2026
- Validated
- 8 Oct 2026
- Ward
- Marylebone
- Case officer
- Show
- Target decision
- 3 Dec 2026
- Applicant
- Show
- Agent
- Target Carbon Management Ltd
Public comments
No public comments yet.
Last counted 14 Oct 2026
Consultation & key dates
- 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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20 New Quebec Street London W1H 7SF
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