41 Upper Grosvenor Street London W1K 2NH Data via plota.co.uk
Proposal
External alterations including rooftop and rear extension at 41 Upper Grosvenor Street; and reconfiguration and amalgamation of existing residential accommodation (comprising 2 x 2bed and 1 x 1 bed) to provide 3 homes (1 x 2 bed and 2 x 3 bed) (Class C3) at 41 Reeves Mews; external alterations including rooftop and rear extension and terrace, loft conversion and new dormers and enlargement of basement at 41 Reeves Mews; and change of use of existing commercial use (Use Class E) to residential (Use Class C3) at lower ground of 41 Reeves Mews to facilitate shared cycle storage, refuse and plant facilities to serve both 41 Upper Grosvenor Street and 41 Reeves Mews; and associated landscaping across the site. [SITE INCLUDES 41 REEVES MEWS] Data via plota.co.uk
Application progress
Approved on 5 Mar 2026 · Delegated Decision · Last checked 14 Oct 2026
Documents 53
Decision & officer reports 2
Statements & assessments 9
Plans & drawings 27
Consultation & comments 2
Other documents 13
Site constraints 11
Show all 44 with distances
- 24 m7, Upper Grosvenor Street W1Grade II
- 24 m6, Upper Grosvenor Street W1Grade II
- 25 m9, Upper Grosvenor Street W1Grade II
- 25 m44, Upper Grosvenor Street W1Grade II
- 27 m44-50 Park Street and 37 Upper Grosvenor StreetGrade II
- 33 m45, Upper Grosvenor Street W1Grade II
- 37 mUnited States of America EmbassyGrade II
- 45 m12, Upper Grosvenor Street W1Grade II
- 52 m45, Reeves Mews W1Grade II
- 54 m58, Park Street W1Grade II
- 59 m48, Upper Grosvenor Street W1Grade II
- 60 m60, Park Street W1Grade II
- 69 m37-43 Park StreetGrade II
- 69 m36-42, Park Street W1Grade II
- 82 m4, Culross Street W1Grade II
- 87 m15, Upper Grosvenor Street W1Grade II
- 89 m53, Mount Street W1Grade II
- 92 m66 and 68, Park Street W1Grade II
- 92 m45-52, Mount Street W1Grade II
- 93 m34, Park Street W1Grade II
- 97 m16, Upper Grosvenor Street W1Grade II
- 100 m54, Mount Street, W1Grade II*
- 101 m70, Park Street W1Grade II
- 102 m52, Upper Brook Street W1Grade II
- 103 mNumber 49 and 50 and Attached RailingsGrade II
- 105 m17, Upper Grosvenor Street W1Grade II
- 106 m72, Park Street W1Grade II*
- 110 m74, Park Street W1Grade II
- 114 m18, Upper Grosvenor Street W1Grade II
- 116 m53, Upper Brook Street W1Grade II
- 117 m76, Park Street W1Grade II
- 123 m78, Park Street W1Grade II
- 125 m19, Upper Grosvenor Street W1Grade II
- 125 m34-42, SOUTH AUDLEY STREET W1 (See details for further address information)Grade II
- 127 m48, Upper Brook Street W1Grade II
- 129 m47, Upper Brook Street W1Grade II
- 130 m38, Grosvenor Square W1Grade II*
- 132 m78, Mount Street W1Grade II
- 133 m79, Mount Street W1Grade II
- 134 m24, Culross Street W1Grade II
- 134 m14-22, PARK STREET W1 (See details for further address information)Grade II
- 134 m7 and 8, Balfour Place W1Grade II
- 143 m21, Upper Grosvenor Street W1Grade II
- 149 m7, 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.
Other new applications on this street
63 Grosvenor Street London W1K 3JG
Display for temporary period of six months of non-illuminated 'to let' board loc...
67 - 68 Grosvenor Street London W1K 3JN
Detailed drawings of a planting scheme which includes the number, size, species ...
49 Grosvenor Street London W1K 3HP
Internal alterations and refurbishment.
33 Grosvenor Street London W1K 4QU
Replacement of fire doors.
Nearby new applications
Flat 1 31 South Audley Street London W1K 2PG
Replacement of windows, Installation of an external condenser to the rear elevat...
Flat 1 31 South Audley Street London W1K 2PG
Replacement of windows, Installation of an external condenser to the rear elevat...
24 - 25 Mount Street London W1K 2RR
Display of Christmas decorations to the front facade at ground floor level for a...
24 - 25 Mount Street London W1K 2RR
Provision of internally illuminated temporary Christmas decoration to front faca...
38 Hill Street London W1J 5JZ
Detailed drawings at scales 1:20 and 1:10 of the reinstated features from the th...
17 - 21 South Audley Street London W1K 2NY
Details of new coordinated service routes pursuant to condition 6 (6) of listed ...
Important details
- Council
- Westminster
- Application type
- Full Planning Permission Application
- Postcode
- W1K 2NH
- Received
- 8 Oct 2025
- Validated
- 22 Oct 2025
- Ward
- West End
- Case officer
- Show
- Target decision
- 6 Mar 2026
- Decision
- Application Permitted
- Decision date
- 5 Mar 2026
- Decision level
- Delegated Decision
- Applicant
- Show
- Agent
- hgh Consulting
How this decision compares
Decided in 134 days from validation, 58 days slower 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.
66 neighbours consulted · Last counted 14 Oct 2026
Consultation & key dates
- Alt. reference
- PP-14297191
- Planning Portal ref
- PP-14297191
- Comments by
- 26 Nov 2025
- Site or press notice
- 29 Oct 2025
- Env. assessment
- No
Historical activity at this location
29 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.
Track this application
41 Upper Grosvenor Street London W1K 2NH
Tracking this application
Not there after a minute? Check your junk folder. It's from alerts@plota.co.uk.
Go to your dashboard →Sign in to view contact details
Applicant and case-officer names are hidden from public view for privacy. Create a free Plota account - or sign back in - and we'll show them, plus you get a dashboard for alerts and tracked applications.
