15 - 16 Cornwall Terrace London NW1 4QP Data via plota.co.uk
Proposal
Internal alterations including reconfiguration of loft floor, new opening to non-original partition to hallway and adjustment of risers to accommodate increased capacity for services. Data via plota.co.uk
Application progress
Approved on 17 Nov 2025 · Delegated Decision · Last checked 16 Oct 2026
Documents 21
Decision & officer reports 2
Statements & assessments 2
Plans & drawings 9
Application forms 1
Consultation & comments 3
Site constraints 12
Show the other 9 with distances
- 43 mForecourt Garden Railings to Numbers 20 and 21Grade I
- 54 m13, Allsop PlaceGrade II
- 62 m47, YORK TERRACE WEST NW1 (See details for further address information)Grade I
- 67 m35-46, YORK TERRACE WEST NW1 (See details for further address information)Grade I
- 67 m34, YORK TERRACE WEST NW1 (See details for further address information)Grade I
- 71 mGarden Railings to Park Front of Numbers 34 to 47Grade I
- 96 m1-33, YORK TERRACE WEST NW1 (See details for further address information)Grade I
- 143 mDrinking Fountain at Junction of Allsop Place and Baker StreetGrade II
- 147 m231-243, Baker Street Nw1Grade II
Checked on 2 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 September 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
- Listed Building Consent Application
- Postcode
- NW1 4QP
- Received
- 10 Oct 2025
- Validated
- 10 Oct 2025
- Ward
- Regent's Park
- Case officer
- Show
- Target decision
- 5 Dec 2025
- Decision
- Application Permitted
- Decision date
- 17 Nov 2025
- Decision level
- Delegated Decision
- Agent
- Montagu Evans LLP
How this decision compares
Decided in 38 days from validation, 19 days faster than Westminster's median of 57 for listed building works. Approved, as 90% of listed building works here are.
Plota live figures for listed building works decided by Westminster in the last twelve months, from validation. Westminster decision record →
Public comments
No public comments yet.
Last counted 16 Oct 2026
Consultation & key dates
- Alt. reference
- PP-14399215
- Planning Portal ref
- PP-14399215
- Comments by
- 12 Nov 2025
- Site or press notice
- 22 Oct 2025
- Env. assessment
- No
Historical activity at this location
29 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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15 - 16 Cornwall Terrace London NW1 4QP
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