Planning application
20 Stanhope Row London W1J 7BT
Works: Windows or glazing
Still open. Anyone can comment while the consultation period runs, and comments go to the council rather than to us.
Proposal
Detailed samples of the facing materials you will use, including glazing, and elevations and roof plans annotated to show where the materials are to be located, the proposed windows/doors and proposed railings pursuant to conditions 4 and 5 of planning permission dated 20th February 2025 (RN:24/07198).
As published by the council, reference 26/02235/ADFULL
Application record
- Reference
- 26/02235/ADFULL
- Type
- Approval of Details (Full PP)
- Status
- Pending
- Received
- 2 Apr 2026
- Validated
- 2 Apr 2026
- Ward
- West End
- Postcode
- W1J 7BT
Timeline
Dates from the published record
-
2 Apr 2026
Received by Westminster
-
21 Jul 2026
Added to PlanIndex
-
Decision
Awaiting decision
Decision expected by 28 May 2026, 8 weeks from validation under the statutory target for most applications. Extensions of time are common and are agreed case by case.
Westminster took a median of 65 days over the applications it decided in the last year.
Who's behind it
Company information only, from the register and Companies House
Platform 5 Architects Agent, an architecture practice registered in London
Active · incorporated 2006 · London
3 applications on PlanIndex · across 3 councils
Trade members see everything this firm has filed, how it was decided, and get an email the day it files again.
See their track recordDocuments
Plans, drawings, consultee responses and the officer's report
11 documents on file for this application
A planning file usually holds the application form, drawings and site plans, consultee responses, the officer's report and the decision notice.
Trade members open them from here.
Open the documentsWhat happens while it is decided
This application is with Westminster for determination, against a statutory target of eight weeks. Over the last year Westminster decided full applications in a median of 89 days. More in our guide to how long planning decisions take.
About full applications
A full application seeks permission for a complete, detailed proposal in one go, with siting, design, access and landscaping all fixed at this stage. More in our guide to planning application types.
Nearby applications
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Development Site At 2-6 Stanhope Row, 16 Stanhope Row, 36-37 Hertford St And 16A, 16B And 17 Market Mews London
Details of a biodiversity management plan pursuant to Condition 42 of planning permission dated 31 October 2025 (RN: 24/05472/FULL)
Granted Full applications 10 docs -
Development Site At 2-6 Stanhope Row, 16 Stanhope Row, 36-37 Hertford St And 16A, 16B And 17 Market Mews London
93% historically approved · decision due ~7 Jan
Amendments to planning permission dated 31st October 2025 (RN 24/05472/FULL ) for the Variation of condition 1 and removal of condition 35 of planning permission dated 24th May 2023 (RN 22/05759/FULL) for the demolition and replacement of existing fifth floor, demolition of existing plant room, and erection of a single storey roof extension at sixth floor to 2-6 Stanhope Row with replacement windows, terraces at fifth and sixth floors and remodelling works; demolition of 16 Stanhope Row, 16a, 16b and 17 Market Mews, excavation at basement level and erection of a four-storey (plus part basement floor) replacement building, all to provide an 82-bedroom hotel (Class C1). Demolition of 37 Hertford Street and erection of replacement building (basement to fourth floor mansard roof plus rooftop plant enclosure); and Internal and external alterations to 36 Hertford Street including demolition and remodelling of existing mansard roof; together with excavation at basement level to 36 and 37 Hertford Street to lower existing basement slab level; all to provide 16 residential dwellings (Class C3) along with provision for cycle parking, terraces, refuse storage and rooftop plant, together with other associated works. NAMELY, NAMELY, to increase the height of the plant enclosure, revised entrance area and a change to the wording of condition 4 relating to the timing of the Whole life carbon assessment.
Awaiting decision Amendments Extension Loft or dormer +2 14 docsSmall domestic -
Development Site At 2-6 Stanhope Row, 16 Stanhope Row, 36-37 Hertford St And 16A, 16B And 17 Market Mews London
Amendments to planning permission dated 31st October 2025 (RN:24/05472/FULL) for Variation of condition 1 and removal of condition 35 of planning permission dated 24th May 2023 (RN 22/05759/FULL) for the demolition and replacement of existing fifth floor, demolition of existing plant room, and erection of a single storey roof extension at sixth floor to 2-6 Stanhope Row with replacement windows, terraces at fifth and sixth floors and remodelling works; demolition of 16 Stanhope Row, 16a, 16b and 17 Market Mews, excavation at basement level and erection of a four-storey (plus part basement floor) replacement building, all to provide an 82-bedroom hotel (Class C1). Demolition of 37 Hertford Street and erection of replacement building (basement to fourth floor mansard roof plus rooftop plant enclosure); and Internal and external alterations to 36 Hertford Street including demolition and remodelling of existing mansard roof; together with excavation at basement level to 36 and 37 Hertford Street to lower existing basement slab level; all to provide 16 residential dwellings (Class C3) along with provision for cycle parking, terraces, refuse storage and rooftop plant, together with other associated works. NAMELY; to enable the introduction of low level external lighting,
Granted Amendments Extension Loft or dormer +2 13 docsSmall domestic -
8 Market Mews London W1J 7BZ
Alterations during the course of construction to a scheme granted planning permission on 23 December 2002 (RN:02/04952) for erection of single storey rear extension and modifications to associated escape staircase, in connection with the enlargement of the single dwelling house namely new rear patio doors at first floor level, use of roof extension as a terrace, removal of rear metal staircase and new lower ground rear extension including excavation.
Granted Full applications Extension Windows or glazing 8 docsSmall domestic -
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90% historically approved · decision due ~10 Dec
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Awaiting decision Heritage and listed buildings New dwelling Extension +3 58 docsSeveral homes -
5 Derby Street London W1J 7AB
87% historically approved · decision due ~10 Dec
Demolition of rear closet wing extension and erection of replacement extension from ground to third floor level, demolition of part of the existing roof structure and erection of a mansard roof extension at fourth floor level; excavation of pavement vaults to increase floor to ceiling heights; external alterations including the installation of replacement windows, railing and step coverings; removal of render and creation of an entrance porch; internal alterations throughout all in connection with the use of the building as four flats (Class C3). (Linked to 25/07469/LBC)
Awaiting decision Full applications New dwelling Extension +3 65 docsSeveral homes
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