14 Cavendish Square London W1G 9DB Data via plota.co.uk
Proposal
Details of doors (external) showing adjoining fabric and key details, windows showing adjoining fabric and key details, sliding roof lights above stair leading to roof terrace showing adjoining fabric and key details, works to the vaults, including any tanking and all sides of roof access leading to roof top terrace to be solid not glazed pursuant to conditions 3 (Part 1,2,3 and 6) and Condition 9 of Listed Building Consent dated 11th March 2026 (RN: ). Data via plota.co.uk
Application progress
Approved on 8 Sept 2026 · Delegated Decision · Last checked 8 Sept 2026
Documents 32
Decision & officer reports 2
Statements & assessments 1
Plans & drawings 20
Application forms 1
Other documents 8
Associated applications 4
Part of
Conditions 3, 9 discharged
- ConditionsDetails of doors (external) showing adjoining fabric and key details, windows showing…This application26/05855/ADLBC
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 (ADLBC)
- Postcode
- W1G 9DB
- Received
- 26 Aug 2026
- Validated
- 26 Aug 2026
- Ward
- Marylebone
- Case officer
- Show
- Target decision
- 21 Oct 2026
- Decision
- Application Permitted
- Decision date
- 8 Sept 2026
- Decision level
- Delegated Decision
- Applicant
- Show
- Agent
- Sanchez Benton Architects Ltd
Public comments
No public comments yet.
Last counted 8 Sept 2026
Consultation & key dates
- Alt. reference
- PP-15185755
- 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 25/07886/FULL)
- Received
- 30 Oct 2025
- Outcome
- Pending
- Type
- Heritage