14 Cavendish Square London W1G 9DB Data via plota.co.uk
Proposal
Details of photographs and specification of facing materials; external doors, windows, sliding roof lights, and railings; and all sides of roof access pursuant to conditions 21, 25 and 26 of planning permission dated 11 March 2026 (RN: ). (Linked with 26/05855/ADLBC) Data via plota.co.uk
Application progress
This application is under consideration - no decision has been issued yet. A decision is expected by 20 Oct 2026.
Associated applications 2
Part of
Conditions 21, 25, 26 awaiting decision
- ConditionsDetails of photographs and specification of facing materials; external doors, windows, sliding…This application26/05840/ADFULL
Site constraints 9
Show the other 30 with distances
- 15 mBridgeGrade II*
- 23 m16, Cavendish Square W1Grade II
- 28 m2, Harley Street W1Grade II
- 29 m4, Harley Street W1Grade II
- 47 m6-14, Harley Street W1Grade II
- 58 m1, 3 and 5, Harley StreetGrade II
- 63 m13, Harley Street W1Grade II*
- 69 m15 and 17, Harley StreetGrade II
- 69 m17, Cavendish Square W1Grade II
- 72 m10a, 11 and 12, Chandos Street W1Grade II
- 75 m18, Cavendish Square W1Grade II*
- 83 m14 Cavendish PlaceGrade II
- 85 m21, Harley Street W1Grade II
- 95 m12, Cavendish Place W1Grade II
- 97 mHarcourt HouseGrade II
- 98 m25, Harley Street W1Grade II
- 103 mNumber 7 and Attached RailingsGrade II
- 108 mStatue of Lord George Bentinck (at South End of Square Garden)Grade II
- 110 m29, Harley StreetGrade II
- 112 m5, Cavendish Square W1Grade II
- 117 m9-13, Queen Anne Street W1Grade II
- 120 mRoyal College of NursingGrade II
- 120 m4, Cavendish Square W1Grade II
- 128 mThe Langham HiltonGrade II
- 129 m3, Cavendish Square W1Grade II*
- 136 m2-6, Chandos Street W1Grade II
- 137 m5 and 6, Wimpole Street W1Grade II
- 139 m7, Wimpole Street W1Grade II
- 139 m24, WIGMORE STREET W1 (See details for further address information)Grade II
- 148 m10, Wimpole Street W1Grade II
Checked on 11 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.
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Important details
- Council
- Westminster
- Application type
- Approval of Details (Full PP)
- Postcode
- W1G 9DB
- Received
- 25 Aug 2026
- Validated
- 25 Aug 2026
- Ward
- Marylebone
- Case officer
- Show
- Target decision
- 20 Oct 2026
- Applicant
- Show
- Agent
- Sanchez Benton Architects Ltd
Public comments
No public comments yet.
Last counted 11 Sept 2026
Consultation & key dates
- Alt. reference
- PP-15184726
- Env. assessment
- No
Historical activity at this location
40 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.
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14 Cavendish Square London W1G 9DB
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Referenced application
Council archive
14 Cavendish Square London W1G 9DB
Refurbishment of 14 Cavendish Square, including modest internal and external alterations, and amendments to use comprising the re-location of a residential unit (Class C3) and increased museum floorspace (Class F1). (Linked to 25/07887/LBC)
- Received
- 30 Oct 2025
- Outcome
- Pending