Radiant House 36 - 38 Mortimer Street London W1W 7RG Data via plota.co.uk
Proposal
Removal of two external steel escape platforms at 3rd and 4th floor levels to rear elevation, forming new protected escape route at second floor and additional internal alterations. Data via plota.co.uk
Application progress
Approved on 19 Oct 2026 · Delegated Decision · Last checked 19 Oct 2026
Documents 12
Decision & officer reports 2
Statements & assessments 1
Plans & drawings 3
Other documents 6
Site constraints 10
Show the other 19 with distances
- 31 m42 AND 44, MORTIMER STREET W1 (See details for further address information)Grade II
- 89 m23, Nassau Street W1Grade II
- 92 mAll Saints Church and Numbers 7 and 8: All Saints Church House and Vestry, Including Railings to Basement Area and Attached Pair of Lamp StandardsGrade I
- 93 m26, Nassau Street W1Grade II
- 97 m20, Nassau Street W1Grade II
- 106 m21, Little Portland Street W1Grade II
- 106 mAudley HouseGrade II
- 118 m10, Mortimer Street W1Grade II
- 119 m37, Foley Street W1Grade II
- 119 m78 and 80, Great Portland Street W1Grade II
- 125 mBelmont HouseGrade II
- 128 m42, Langham Street W1Grade II
- 129 mGeorge Public HouseGrade II
- 132 m40, Langham Street W1Grade II
- 136 m38, Langham Street W1Grade II
- 138 m43, GREAT PORTLAND STREET W1 (See details for further address information)Grade II
- 140 m59 and 61, Riding House Street W1Grade II*
- 145 mTower HouseGrade II
- 148 mMaitland Cook (the London Private Hospital)Grade II
Checked on 6 October 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.
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Important details
- Council
- Westminster
- Application type
- Listed Building Consent Application
- Postcode
- W1W 7RG
- Received
- 3 Sept 2026
- Validated
- 9 Sept 2026
- Ward
- West End
- Case officer
- Show
- Target decision
- 4 Nov 2026
- Decision
- Application Permitted
- Decision date
- 19 Oct 2026
- Decision level
- Delegated Decision
- Applicant
- Show
- Agent
- DG Architecture
- Leaseholder
- Show
How this decision compares
Decided in 40 days from validation, 15 days faster than Westminster's median of 55 for extensions. Approved, as 88% of extensions here are.
Plota live figures for extensions decided by Westminster in the last twelve months, from validation. Westminster decision record →
Public comments
No public comments yet.
Last counted 19 Oct 2026
Consultation & key dates
- Alt. reference
- PP-15201602
- Planning Portal ref
- PP-15201602
- Comments by
- 14 Oct 2026
- Site or press notice
- 23 Sept 2026
- Env. assessment
- No
Historical activity at this location
27 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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Radiant House 36 - 38 Mortimer Street London W1W 7RG
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Leaseholders, on paid plans
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