1 Cavendish Square London W1G 0LA Data via plota.co.uk
Proposal
Variation of Condition 13 of planning permission dated 20th April 2023 (RN: ) for the Opening up to basement areas, lowering of floor in pavement vaults and corridors to increase the useable space, additional opening up to eastern ground floor area, forming of services voids to accommodate plant and equipment, reopening of existing skylight apertures to existing pitched roof for ventilation of services, alterations to eastern facade to accommodate a new plant deck, WC accommodation and small terrace, in -connection with the use of building as a restaurant/drinking establishment (Sui Generis) namely, to extend hours of opening. Application under S73 of the Act Data via plota.co.uk
Application progress
Approved on 27 Oct 2025 · Delegated Decision · Last checked 18 Oct 2026
Documents 19
Decision & officer reports 3
Application forms 2
Consultation & comments 1
Other documents 13
Associated applications 2
Part of
Conditions 13 varied
- VariationVariation of Condition 13 of planning permission dated 20th April 2023 (RN)This application25/06203/FULL
Site constraints 11
Show the other 25 with distances
- 19 m3, Cavendish Square W1Grade II*
- 32 m4, Cavendish Square W1Grade II
- 37 m289-305 and 313-319 Regent Street W1 and 3 Cavendish PlaceGrade II
- 42 mUniversity of Westminster (formerly Regent Street Polytechnic)Grade II
- 45 m5, Cavendish Square W1Grade II
- 68 mNumber 7 and Attached RailingsGrade II
- 73 m273, 275, 275A AND 281A, REGENT STREET W1 (See details for further address information)Grade II
- 77 mStatue of Lord George Bentinck (at South End of Square Garden)Grade II
- 104 m261-271, REGENT STREET W1 (See details for further address information)Grade II
- 105 m12, Cavendish Place W1Grade II
- 105 m14 Cavendish PlaceGrade II
- 108 m302-312, REGENT STREET W1 (See details for further address information)Grade II
- 111 mWalmar HouseGrade II
- 118 m314-326, REGENT STREET W1 (See details for further address information)Grade II
- 120 mBridgeGrade II*
- 122 mVentilation Standard on Island North of Oxford CircusGrade II
- 128 m14 and 15, Langham Place W1Grade II
- 129 mThe Langham HiltonGrade II
- 133 m10a, 11 and 12, Chandos Street W1Grade II
- 135 mPeter RobinsonGrade II
- 136 m2 Lamp Standards in Middle of Road Between Junctions With John Princes Street and Hollies StreetGrade II
- 139 mRoyal College of NursingGrade II
- 141 mWinged Figure, including plinth and applied letteringGrade II*
- 141 mHarcourt HouseGrade II
- 144 m15, Cavendish Square W1Grade II
Checked on 2 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.
Building
From the energy performance certificate lodged in September 2022, the latest held for this property. The building may have changed since. View the certificate
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Important details
- Council
- Westminster
- Application type
- Full Planning Permission Application
- Postcode
- W1G 0LA
- Received
- 1 Sept 2025
- Validated
- 1 Sept 2025
- Ward
- West End
- Case officer
- Show
- Target decision
- 28 Oct 2025
- Decision
- Application Permitted
- Decision date
- 27 Oct 2025
- Decision level
- Delegated Decision
- Applicant
- Show
- Agent
- Osel Architecture Ltd.
Public comments
No public comments yet.
40 neighbours consulted · Last counted 18 Oct 2026
Consultation & key dates
- Alt. reference
- PP-14287522
- Planning Portal ref
- PP-14287522
- Comments by
- 8 Oct 2025
- Site or press notice
- 8 Sept 2025
- Env. assessment
- No
Historical activity at this location
50 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.
Energy performance: Energy performance certificates from the Energy Performance of Buildings Register, Ministry of Housing, Communities and Local Government. Contains public sector information licensed under the Open Government Licence v3.0. © Crown copyright 2026.
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1 Cavendish Square London W1G 0LA
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Referenced application
Council archive
1 Cavendish Square London W1G 0LA
Opening up to basement areas, lowering of floor in pavement vaults and corridors to increase the useable space, additional opening up to eastern ground floor area, forming of services voids to accommodate plant and equipment, reopening of existing skylight apertures to existing pitched roof for ventilation of services, alterations to eastern facade to accommodate a new plant deck, WC accommodation and small terrace, in -connection with the use of building as a restaurant/drinking establishment (Sui Generis)
- Received
- 11 Nov 2022
- Decided
- 20 Apr 2023
- Outcome
- Approved