6 Carlos Place London W1K 3AP Data via plota.co.uk
Proposal
Replacement of four existing external air conditioning units to rear fourth floor flat roof with four new air conditioning units (Linked with 26/06410/LBC) Data via plota.co.uk
Application progress
This application is under consideration - no decision has been issued yet. Plota predicts a decision between 10 Nov 2026 and 20 Nov 2026, from Westminster's recent utility and infrastructure works.
Documents 9
Statements & assessments 3
Plans & drawings 3
Associated applications 2
- Replacement of four existing external air conditioning units to rear fourth floor flat roof with four new air conditioning units…
Site constraints 8
Show all 28 with distances
- 33 m2-8, Carlos Place W1Grade II
- 52 mConnaught HotelGrade II
- 52 mVestry and PresbyteryGrade II
- 55 m115 and 116, Mount Street W1Grade II
- 56 m1, CARLOS PLACE W1 (See details for further address information)Grade II
- 60 m117-121, MOUNT STREET W1 (See details for further address information)Grade II
- 74 m109-113, Mount Street W1Grade II
- 76 m104-108, Mount Street W1Grade II
- 76 m125-9, Mount Street W1Grade II
- 79 m4, 5, 5a, 5b, 5c, Mount Street W1Grade II
- 83 m12 and 14, Mount Row W1Grade II
- 84 m43, Grosvenor Street W1Grade II
- 88 m46, Grosvenor Street W1Grade II*
- 89 m10-12, Mount Street W1Grade II
- 96 mChurch of the Immaculate ConceptionGrade II*
- 100 mNumbers 6 to 10 (Even) and Attached RailingsGrade II
- 100 m130, MOUNT STREET (See details for further address information)Grade II
- 103 m49, Grosvenor Street W1Grade II
- 108 m50, Grosvenor Street W1Grade II
- 114 m35, Berkeley Square W1Grade II
- 115 m51, Grosvenor Street W1Grade II
- 115 m13-26, Mount Street W1Grade II
- 124 mFountainGrade II
- 126 m52, Grosvenor Street W1Grade II
- 140 m34, Grosvenor Street W1Grade II*
- 141 mBourdon HouseGrade II*
- 144 mThe Punch Bowl Public HouseGrade II
- 148 m33, Grosvenor Street W1Grade II
Checked on 26 September 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.
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
Connaught Hotel Carlos Place London W1K 2AL
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9 Carlos Place London W1K 3AT
Installation of a new front door at No.10 Carlos Place.
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Important details
- Council
- Westminster
- Application type
- Full Planning Permission Application
- Postcode
- W1K 3AP
- Received
- 18 Sept 2026
- Validated
- 18 Sept 2026
- Ward
- West End
- Case officer
- Show
- Target decision
- 13 Nov 2026
- Applicant
- Show
- Agent
- Bolton Chalklin Architects
- Leaseholder
- Show
Decision outlook
Day 17 of the 56-day target. Westminster usually decides utility and infrastructure works by day 57.
Plota live figures for utility and infrastructure works decided by Westminster in the last twelve months, from validation. Westminster decision record →
Public comments
No public comments yet.
Last counted 26 Sept 2026
Consultation & key dates
- Alt. reference
- PP-15232245
- Env. assessment
- No
Historical activity at this location
26 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.
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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6 Carlos Place London W1K 3AP
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Leaseholders, on paid plans
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