Flat 11 46 Upper Grosvenor Street London W1K 2NW Data via plota.co.uk
Proposal
Replacement of existing windows. (Flat 11, 46 Upper Grosvenor Street) Data via plota.co.uk
Application progress
Approved on 6 Nov 2025 · Delegated Decision · Last checked 18 Oct 2026
Documents 37
Decision & officer reports 2
Statements & assessments 4
Plans & drawings 12
Application forms 2
Consultation & comments 3
Other documents 14
Associated applications 3
- Replacement of existing windows. (Flat 11, 46 Upper Grosvenor Street)
Conditions 2 refused
Site constraints 11
Show all 45 with distances
- 5 m45, Upper Grosvenor Street W1Grade II
- 13 m44, Upper Grosvenor Street W1Grade II
- 14 m48, Upper Grosvenor Street W1Grade II
- 28 mUnited States of America EmbassyGrade II
- 42 m6, Upper Grosvenor Street W1Grade II
- 42 m45, Reeves Mews W1Grade II
- 49 m7, Upper Grosvenor Street W1Grade II
- 59 m9, Upper Grosvenor Street W1Grade II
- 73 m44-50 Park Street and 37 Upper Grosvenor StreetGrade II
- 85 m38, Grosvenor Square W1Grade II*
- 87 m12, Upper Grosvenor Street W1Grade II
- 92 m58, Park Street W1Grade II
- 93 m4, Culross Street W1Grade II
- 93 m45-52, Mount Street W1Grade II
- 94 m34-42, SOUTH AUDLEY STREET W1 (See details for further address information)Grade II
- 95 m60, Park Street W1Grade II
- 95 m36-42, Park Street W1Grade II
- 101 m53, Mount Street W1Grade II
- 108 m52, Upper Brook Street W1Grade II
- 110 m34, Park Street W1Grade II
- 113 m37-43 Park StreetGrade II
- 115 mNumber 49 and 50 and Attached RailingsGrade II
- 115 m54, Mount Street, W1Grade II*
- 119 m53, Upper Brook Street W1Grade II
- 119 m66 and 68, Park Street W1Grade II
- 123 m70, Park Street W1Grade II
- 128 m72, Park Street W1Grade II*
- 128 m13-26, Mount Street W1Grade II
- 129 m74, Park Street W1Grade II
- 131 m15, Upper Grosvenor Street W1Grade II
- 135 m76, Park Street W1Grade II
- 136 m7 and 8, Balfour Place W1Grade II
- 137 m79, Mount Street W1Grade II
- 139 m78, Mount Street W1Grade II
- 140 mEagle Squadron MemorialGrade II
- 141 m16, Upper Grosvenor Street W1Grade II
- 142 m78, Park Street W1Grade II
- 143 m48, Upper Brook Street W1Grade II
- 144 m87-102, MOUNT STREET W1 (See details for further address information)Grade II
- 145 mPolice Public Callbox to North East of American EmbassyGrade II
- 147 m47, Upper Brook Street W1Grade II
- 147 m3, Upper Brook Street W1Grade II
- 149 m7, Upper Brook Street W1Grade II
- 149 m17, Upper Grosvenor Street W1Grade II
- 150 m22 AND 23, GROSVENOR SQUARE W1 (See details for further address information)Grade 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.
Sales history 1
Last sold for £163,164 in August 2000. Flat or maisonette, leasehold.
Sale prices from HM Land Registry's price paid record, matched to this application by its address.
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 2NW
- Received
- 30 Jul 2025
- Validated
- 10 Sept 2025
- Ward
- West End
- Case officer
- Show
- Target decision
- 7 Nov 2025
- Decision
- Application Permitted
- Decision date
- 6 Nov 2025
- Decision level
- Delegated Decision
- Applicant
- Show
- Agent
- Chirag Desai Architects
- Leaseholder
- Show
How this decision compares
Decided in 57 days from validation, 19 days faster 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.
32 neighbours consulted · Last counted 18 Oct 2026
Consultation & key dates
- Alt. reference
- PP-14206156
- Planning Portal ref
- PP-14206156
- Comments by
- 15 Oct 2025
- Site or press notice
- 17 Sept 2025
- 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.
Sale prices: Contains HM Land Registry data © Crown copyright and database right 2026. This data is licensed under the Open Government Licence v3.0.
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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Flat 11 46 Upper Grosvenor Street London W1K 2NW
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Leaseholders, on paid plans
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