Kenilworth House 79 - 80 Margaret Street London W1W 8TA Data via plota.co.uk
Proposal
Extension of existing rear external steel fire escape staircase by one floor to service 5th floor, alterations to openings and internal alterations. Data via plota.co.uk
Application progress
Approved on 15 Sept 2026 · Delegated Decision · Last checked 16 Sept 2026
Documents 14
Decision & officer reports 2
Statements & assessments 1
Plans & drawings 5
Application forms 1
Consultation & comments 1
Site constraints 11
Show all 12 with distances
- 8 mConvent Chapel to Rear of Numbers 82 and 83 (All Saints House)Grade II
- 16 mThe Welsh Baptist ChapelGrade II
- 22 m84, Margaret Street W1Grade II*
- 25 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
- 36 mAudley HouseGrade II
- 62 m164-182, Oxford Street W1Grade II
- 70 mSt Margaret's HouseGrade II
- 86 mThe Champion Public HouseGrade II
- 88 m156-162, Oxford Street W1Grade II*
- 90 mSanderson Hotel (formerly Sanderson House)Grade II*
- 139 m34-38, Mortimer StreetGrade II
- 142 m21, Little Portland Street W1Grade 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
- Full Planning Permission Application
- Postcode
- W1W 8TA
- Received
- 28 Jul 2026
- Validated
- 28 Jul 2026
- Ward
- West End
- Case officer
- Show
- Target decision
- 22 Sept 2026
- Decision
- Application Permitted
- Decision date
- 15 Sept 2026
- Decision level
- Delegated Decision
- Applicant
- Show
- Agent
- Contour Planning
- Freehold owner
- Show
How this decision compares
Decided in 49 days from validation, 7 days faster than Westminster's median of 56 for commercial and major works. Approved, as 92% of commercial and major works here are.
Plota live figures for commercial and major works decided by Westminster in the last twelve months, from validation. Westminster decision record →
Public comments
No public comments yet.
19 neighbours consulted · Last counted 16 Sept 2026
Consultation & key dates
- Alt. reference
- PP-15116892
- Planning Portal ref
- PP-15116892
- Comments by
- 9 Sept 2026
- Site or press notice
- 10 Aug 2026
- Env. assessment
- No
Historical activity at this location
32 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.
Freehold owner and 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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Kenilworth House 79 - 80 Margaret Street London W1W 8TA
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Freehold owner and leaseholders, on paid plans
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