Flat 4 St Davids House 16 New Cavendish Street London W1G 8UP Data via plota.co.uk
Proposal
Alterations to the uppermost storey of Flat 4, involving the removal of two existing rear dormers and the construction of a single replacement rear dormer, like-for-like replacement of existing roof terrace railings and decking, and internal alterations including the replacement of existing modern kitchen fittings and associated joinery. Data via plota.co.uk
Application progress
Approved on 22 May 2026 · Delegated Decision · Last checked 8 Jul 2026
Documents 23
Decision & officer reports 2
Statements & assessments 4
Plans & drawings 5
Application forms 2
Consultation & comments 5
Other documents 5
Site constraints 6
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
- Listed Building Consent Application
- Postcode
- W1G 8UP
- Received
- 23 Mar 2026
- Validated
- 23 Mar 2026
- Ward
- Marylebone
- Case officer
- Show
- Target decision
- 18 May 2026
- Decision
- Application Permitted
- Decision date
- 22 May 2026
- Decision level
- Delegated Decision
- Applicant
- Show
- Agent
- Bonnystreet (Town) Planning Limited
How this decision compares
Decided in 60 days from validation, 7 days slower than Westminster's median of 53 for extensions. Approved, as 87% of extensions here are.
Plota live figures for extensions decided by Westminster in the last twelve months, from validation. Westminster decision record →
Consultation & key dates
- Alt. reference
- PP-14624036
- Site or press notice
- 29 Apr 2026
- Env. assessment
- No
Historical activity at this location
25 nearby applications on record - archival context, not part of the live application.
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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Flat 4 St Davids House 16 New Cavendish Street London W1G 8UP
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