1 Great Portland Street London W1W 8PZ Data via plota.co.uk
Proposal
External changes to the building including installation of mechanical plant at roof level, demolition and replacement of ground floor revolving entry door with a new door set, glazing of 2 windows to be replaced with louvres, modification to the roof terrace arrangement, new signage and internal alterations. (Linked to 25/05878/LBC) Data via plota.co.uk
Application progress
Approved on 19 Feb 2026 · Delegated Decision · Last checked 1 Nov 2026
Documents 67
Decision & officer reports 2
Statements & assessments 8
Plans & drawings 47
Application forms 1
Consultation & comments 1
Other documents 8
Associated applications 4
- External changes to the building including installation of mechanical plant at roof level, demolition and replacement of ground…
- External changes to the building including installation of mechanical plant at roof level, demolition and replacement of ground…
Conditions 3 discharged
Site constraints 10
Show the other 18 with distances
- 50 mOxford Circus Underground Station at the north-east corner of Argyll Street and Oxford Street, including offices aboveGrade II
- 60 mOxford Circus Underground Station entrance on north-west corner of Argyll Street and Oxford StreetGrade II
- 66 mWalmar HouseGrade II
- 66 mNo. 219 Oxford StreetGrade II
- 69 m250-270, REGENT STREET W1 (See details for further address information)Grade II
- 73 mThe Argyll Public HouseGrade II*
- 83 mVentilation Standard on Island North of Oxford CircusGrade II
- 92 m261-271, REGENT STREET W1 (See details for further address information)Grade II
- 101 m273, 275, 275A AND 281A, REGENT STREET W1 (See details for further address information)Grade II
- 110 m249-259, Regent Street W1Grade II
- 111 mThe London Palladium TheatreGrade II*
- 112 mPair of K6 Telephone Kiosks in Argyll Street, LondonGrade II
- 115 m164-182, Oxford Street W1Grade II
- 117 m302-312, REGENT STREET W1 (See details for further address information)Grade II
- 128 mDickins and JonesGrade II
- 139 m21, Little Portland Street W1Grade II
- 141 m289-305 and 313-319 Regent Street W1 and 3 Cavendish PlaceGrade II
- 147 m19-21, Great Marlborough Street 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.
Building
From the energy performance certificate lodged in April 2025, 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
- W1W 8PZ
- Received
- 19 Aug 2025
- Validated
- 19 Aug 2025
- Case officer
- Show
- Target decision
- 20 Feb 2026
- Decision
- Application Permitted
- Decision date
- 19 Feb 2026
- Decision level
- Delegated Decision
- Applicant
- Show
- Agent
- Iceni Projects
How this decision compares
Decided in 184 days from validation, 108 days slower 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
No public comments yet.
4 neighbours consulted · Last counted 1 Nov 2026
Consultation & key dates
- Alt. reference
- PP-14250316
- Planning Portal ref
- PP-14250316
- Comments by
- 23 Sept 2025
- Site or press notice
- 2 Sept 2025
- Env. assessment
- No
Historical activity at this location
31 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 Great Portland Street London W1W 8PZ
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