26 - 28 Mount Row London W1K 3SQ Data via plota.co.uk
Proposal
Rear extension to the building, including creation of balconies at first to fourth floor levels and a new roof terrace, external alterations to the building including new cladding to front and rear facades, together with internal reconfiguration and refurbishment, provision of end of trip facilities in place of basement car park, roof top plant equipment, and other associated works. Data via plota.co.uk
Application progress
This application is under consideration - no decision has been issued yet. Plota predicts a decision between 13 Nov 2026 and 25 Nov 2026, from Westminster's recent commercial and major works. Comments are open until 4 Nov 2026.
Comment on this application ↗Documents 57
Statements & assessments 9
Plans & drawings 37
Application forms 1
Consultation & comments 1
Other documents 9
Site constraints 8
Show all 28 with distances
- 35 m43, Grosvenor Street W1Grade II
- 35 m46, Grosvenor Street W1Grade II*
- 51 m49, Grosvenor Street W1Grade II
- 56 m12 and 14, Mount Row W1Grade II
- 57 m50, Grosvenor Street W1Grade II
- 67 m51, Grosvenor Street W1Grade II
- 71 m2-8, Carlos Place W1Grade II
- 74 mNumbers 6 to 10 (Even) and Attached RailingsGrade II
- 79 m1, CARLOS PLACE W1 (See details for further address information)Grade II
- 81 m52, Grosvenor Street W1Grade II
- 88 m34, Grosvenor Street W1Grade II*
- 88 mConnaught HotelGrade II
- 92 m4, 5, 5a, 5b, 5c, Mount Street W1Grade II
- 97 m33, Grosvenor Street W1Grade II
- 107 mVestry and PresbyteryGrade II
- 108 m115 and 116, Mount Street W1Grade II
- 109 m117-121, MOUNT STREET W1 (See details for further address information)Grade II
- 113 m125-9, Mount Street W1Grade II
- 117 m4, Grosvenor Square W1Grade II
- 121 m130, MOUNT STREET (See details for further address information)Grade II
- 122 m10-12, Mount Street W1Grade II
- 124 m109-113, Mount Street W1Grade II
- 125 m104-108, Mount Street W1Grade II
- 130 mBourdon HouseGrade II*
- 133 m56 and 57, Grosvenor StreetGrade II
- 140 m35, Berkeley Square W1Grade II
- 146 m27, Three Kings Yard W1Grade II
- 147 m13-26, Mount Street W1Grade II
Checked on 2 October 2026. Historic England, the Environment Agency, Natural England 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
- Full Planning Permission Application
- Postcode
- W1K 3SQ
- Received
- 24 Sept 2026
- Validated
- 24 Sept 2026
- Ward
- West End
- Case officer
- Show
- Target decision
- 19 Nov 2026
- Agent
- Turley
- Leaseholder
- Show
Decision outlook
Day 11 of the 56-day target. Westminster usually decides commercial and major works by day 56.
Plota live figures for commercial and major works decided by Westminster in the last twelve months, from validation. Westminster decision record →
Public comments
No public comments yet.
74 neighbours consulted · Last counted 2 Oct 2026
Consultation & key dates
- Alt. reference
- PP-15191123
- Comments by
- 4 Nov 2026
- Site or press notice
- 14 Oct 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.
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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26 - 28 Mount Row London W1K 3SQ
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Leaseholders, on paid plans
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