9 Carlos Place London W1K 3AT Data via plota.co.uk
Proposal
Installation of two ASHP units located in the ground floor rear courtyard area within an new acoustic enclosure at No. 9/10 Carlos Place; installation of three ASHP units located underneath the fire escape stairs on the lower ground floor level within a new acoustic screen at No. 11 Carlos Place and installation and replacement of existing ventilation/extract louvres/grilles on the rear elevation of Nos. 9-11 Carlos Place facing into the buildings rear lightwell. (Site includes 9, 10 and 11 Carlos Place). Data via plota.co.uk
Application progress
Approved on 10 Sept 2025 · Delegated Decision · Last checked 19 Oct 2026
Documents 23
Decision & officer reports 2
Statements & assessments 4
Plans & drawings 9
Application forms 1
Consultation & comments 1
Other documents 6
Site constraints 10
Show all 30 with distances
- 19 m43, Grosvenor Street W1Grade II
- 29 m46, Grosvenor Street W1Grade II*
- 40 m2-8, Carlos Place W1Grade II
- 53 mConnaught HotelGrade II
- 58 m49, Grosvenor Street W1Grade II
- 69 m50, Grosvenor Street W1Grade II
- 78 m10-12, Mount Street W1Grade II
- 81 m12 and 14, Mount Row W1Grade II
- 81 m1, CARLOS PLACE W1 (See details for further address information)Grade II
- 82 m51, Grosvenor Street W1Grade II
- 93 m52, Grosvenor Street W1Grade II
- 93 mNumbers 6 to 10 (Even) and Attached RailingsGrade II
- 95 m34, Grosvenor Street W1Grade II*
- 97 m4, Grosvenor Square W1Grade II
- 102 m115 and 116, Mount Street W1Grade II
- 102 m4, 5, 5a, 5b, 5c, Mount Street W1Grade II
- 103 mVestry and PresbyteryGrade II
- 104 m109-113, Mount Street W1Grade II
- 104 m117-121, MOUNT STREET W1 (See details for further address information)Grade II
- 106 m33, Grosvenor Street W1Grade II
- 106 m13-26, Mount Street W1Grade II
- 111 m104-108, Mount Street W1Grade II
- 120 m125-9, Mount Street W1Grade II
- 123 mEagle Squadron MemorialGrade II
- 135 mChurch of the Immaculate ConceptionGrade II*
- 138 m87-102, MOUNT STREET W1 (See details for further address information)Grade II
- 139 m130, MOUNT STREET (See details for further address information)Grade II
- 142 m38, Grosvenor Square W1Grade II*
- 149 mThe Savile ClubGrade II*
- 149 m27, Three Kings Yard W1Grade II
Checked on 1 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.
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Important details
- Council
- Westminster
- Application type
- Full Planning Permission Application
- Postcode
- W1K 3AT
- Received
- 1 Jul 2025
- Validated
- 22 Jul 2025
- Ward
- West End
- Case officer
- Show
- Target decision
- 16 Sept 2025
- Decision
- Application Permitted
- Decision date
- 10 Sept 2025
- Decision level
- Delegated Decision
- Applicant
- Show
- Agent
- Designsplus Architects
- Leaseholder
- Show
How this decision compares
Decided in 50 days from validation, 26 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
35 neighbours consulted · Last counted 19 Oct 2026
Consultation & key dates
- Alt. reference
- PP-14116594
- Planning Portal ref
- PP-14116594
- Comments by
- 3 Sept 2025
- Site or press notice
- 1 Aug 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.
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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9 Carlos Place London W1K 3AT
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