34 Grosvenor Square London W1K 2HD Data via plota.co.uk
Proposal
Replacement of existing external terrace in a new configuration and repositioning of entrance and steps Data via plota.co.uk
Application progress
Approved on 2 Nov 2026 · Delegated Decision · Last checked 2 Nov 2026
Documents 20
Decision & officer reports 2
Statements & assessments 2
Plans & drawings 6
Application forms 1
Consultation & comments 1
Other documents 8
Licence at this address
Licensed hours are what the licence permits, not opening times.
Site constraints 11
Show all 37 with distances
- 5 m48, Upper Grosvenor Street W1Grade II
- 28 mUnited States of America EmbassyGrade II
- 29 m45, Upper Grosvenor Street W1Grade II
- 38 m44, Upper Grosvenor Street W1Grade II
- 50 m45, Reeves Mews W1Grade II
- 60 m38, Grosvenor Square W1Grade II*
- 65 m6, Upper Grosvenor Street W1Grade II
- 72 m7, Upper Grosvenor Street W1Grade II
- 81 m34-42, SOUTH AUDLEY STREET W1 (See details for further address information)Grade II
- 83 m9, Upper Grosvenor Street W1Grade II
- 94 m45-52, Mount Street W1Grade II
- 98 m44-50 Park Street and 37 Upper Grosvenor StreetGrade II
- 109 m4, Culross Street W1Grade II
- 111 m12, Upper Grosvenor Street W1Grade II
- 112 m13-26, Mount Street W1Grade II
- 113 m53, Mount Street W1Grade II
- 114 m36-42, Park Street W1Grade II
- 115 m58, Park Street W1Grade II
- 117 mEagle Squadron MemorialGrade II
- 118 m60, Park Street W1Grade II
- 120 m52, Upper Brook Street W1Grade II
- 124 m34, Park Street W1Grade II
- 128 m54, Mount Street, W1Grade II*
- 129 m53, Upper Brook Street W1Grade II
- 130 mNumber 49 and 50 and Attached RailingsGrade II
- 135 m87-102, MOUNT STREET W1 (See details for further address information)Grade II
- 137 m37-43 Park StreetGrade II
- 137 mPolice Public Callbox to North East of American EmbassyGrade II
- 139 m66 and 68, Park Street W1Grade II
- 141 m7 and 8, Balfour Place W1Grade II
- 142 m70, Park Street W1Grade II
- 144 m79, Mount Street W1Grade II
- 146 m72, Park Street W1Grade II*
- 146 m74, Park Street W1Grade II
- 147 m22 AND 23, GROSVENOR SQUARE W1 (See details for further address information)Grade II
- 147 m78, Mount Street W1Grade II
- 148 m3, Upper Brook Street W1Grade 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.
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
- Full Planning Permission Application
- Postcode
- W1K 2HD
- Received
- 17 Aug 2026
- Validated
- 17 Aug 2026
- Ward
- West End
- Case officer
- Show
- Target decision
- 2 Nov 2026
- Decision
- Application Permitted
- Decision date
- 2 Nov 2026
- Decision level
- Delegated Decision
- Agent
- DP9 Limited
- Leaseholder
- Show
How this decision compares
Decided in 77 days from validation, 22 days slower 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
20 neighbours consulted · Last counted 2 Nov 2026
Consultation & key dates
- Alt. reference
- PP-15152215
- Planning Portal ref
- PP-15152215
- Comments by
- 28 Oct 2026
- Site or press notice
- 28 Sept 2026
- Env. assessment
- No
Historical activity at this location
31 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.
Freehold boundary: © Crown copyright and database rights 2026, HM Land Registry. Polygons © Crown copyright and database rights 2026 Ordnance Survey 100026316. Conditions of use
Leaseholders: Information produced by HM Land Registry. © Crown copyright 2026. Source: HM Land Registry, UK and overseas companies that own property in England and Wales, September 2026 release.
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34 Grosvenor Square London W1K 2HD
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