Flat 5 Merchant House 184 - 186 Sutherland Avenue London W9 1HR Data via plota.co.uk
Proposal
Enclosure of an existing roof terrace with a single storey extension to rear first floor level. (Linked with 26/00021/LBC) Data via plota.co.uk
Application progress
Approved on 1 Jul 2026 · Delegated Decision · Last checked 24 Sept 2026
Documents 18
Decision & officer reports 2
Statements & assessments 3
Plans & drawings 3
Application forms 2
Consultation & comments 1
Other documents 7
Associated applications 4
- Enclosure of an existing roof terrace with a single storey extension to rear first floor level. (Linked with)
Conditions 4 refused
- Listed buildingEnclosure of an existing roof terrace with a single storey extension to rear first floor level…26/00021/LBC
Conditions 3 refused
Show 1 more · 1 refused
Site constraints 9
Show the other 5 with distances
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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.
Building
From the energy performance certificate lodged in December 2013, 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
- W9 1HR
- Received
- 5 Jan 2026
- Validated
- 4 Feb 2026
- Ward
- Little Venice
- Case officer
- Show
- Target decision
- 1 Jul 2026
- Decision
- Application Permitted
- Decision date
- 1 Jul 2026
- Decision level
- Delegated Decision
- Applicant
- Show
- Agent
- ME Architects LTD
- Freehold owner
- Show
How this decision compares
Decided in 147 days from validation, 92 days slower 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.
29 neighbours consulted · Last counted 24 Sept 2026
Consultation & key dates
- Alt. reference
- PP-14600386
- Planning Portal ref
- PP-14600386
- 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.
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.
Freehold owner: 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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Flat 5 Merchant House 184 - 186 Sutherland Avenue London W9 1HR
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