Dorset House Gloucester Place London NW1 5AH Data via plota.co.uk
Proposal
Installation of replacement double-glazed windows and doors. (Linked to 25/08280/LBC) Data via plota.co.uk
Application progress
Approved on 20 Mar 2026 · Delegated Decision · Last checked 11 Oct 2026
Documents 45
Decision & officer reports 2
Statements & assessments 5
Plans & drawings 27
Application forms 1
Consultation & comments 3
Other documents 7
Associated applications 2
- Installation of replacement double-glazed windows and doors. (Linked)
Site constraints 9
Show the other 13 with distances
- 75 m29-40, Dorset Square Nw1Grade II
- 80 mWestminster Council HouseGrade II
- 91 m1-8, Dorset Square Nw1Grade II
- 113 m106-118, Gloucester Place W1Grade II
- 115 m113-125, Gloucester Place W1Grade II
- 117 m13, Allsop PlaceGrade II
- 131 mSt Marylebone Library and Health CentreGrade II
- 131 m105-115, Baker Street W1Grade II
- 135 m7-15, Balcombe StreetGrade II
- 146 m22, York Street W1Grade II
- 146 m20, York Street W1Grade II
- 147 m24-28, York Street W1Grade II
- 148 m30, York Street W1Grade 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 October 2021, the latest held for this property. The building may have changed since. View the certificate
Every application in Westminster - and every UK council - as a live feed, an API, or a bulk CSV export.
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Important details
- Council
- Westminster
- Application type
- Full Planning Permission Application
- Postcode
- NW1 5AH
- Received
- 12 Nov 2025
- Validated
- 12 Nov 2025
- Ward
- Regent's Park
- Case officer
- Show
- Target decision
- 20 Mar 2026
- Decision
- Application Permitted
- Decision date
- 20 Mar 2026
- Decision level
- Delegated Decision
- Agent
- Fletcher King
- Freehold owner
- Show
How this decision compares
Decided in 128 days from validation, 52 days slower than Westminster's median of 76 for full applications. Approved, as 86% of full applications here are.
Plota live figures for full applications decided by Westminster in the last twelve months, from validation. Westminster decision record →
Public comments
No public comments yet.
234 neighbours consulted · Last counted 11 Oct 2026
Consultation & key dates
- Alt. reference
- PP-14478207
- Planning Portal ref
- PP-14478207
- Env. assessment
- No
Historical activity at this location
50 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.
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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Dorset House Gloucester Place London NW1 5AH
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Freehold owner, on paid plans
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