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Planning application

20 Stanhope Row London W1J 7BT

Awaiting decision Westminster 26/02235/ADFULL Approval of Details (Full PP)

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

  1. 2 Apr 2026

    Received by Westminster

  2. 21 Jul 2026

    Added to PlanIndex

  3. 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 record

Documents

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 documents

What 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

Within 500 metres

  • Development Site At 2-6 Stanhope Row, 16 Stanhope Row, 36-37 Hertford St And 16A, 16B And 17 Market Mews London

    25/04355/ADFULL Submitted 25 Jun 2025 15m away

    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

    25/08286/NMA Submitted 12 Nov 2025 15m away

    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 docs
    Small domestic
  • Development Site At 2-6 Stanhope Row, 16 Stanhope Row, 36-37 Hertford St And 16A, 16B And 17 Market Mews London

    26/01162/NMA Submitted 24 Feb 2026 26m away

    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 docs
    Small domestic
  • 8 Market Mews London W1J 7BZ

    08/00400/FULL Submitted 7 Jan 2008 31m away

    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 docs
    Small domestic
  • 5 Derby Street London W1J 7AB

    25/07469/LBC Submitted 15 Oct 2025 32m away

    90% 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 25/07468/FULL)

    Awaiting decision Heritage and listed buildings New dwelling Extension +3 58 docs
    Several homes
  • 5 Derby Street London W1J 7AB

    25/07468/FULL Submitted 15 Oct 2025 32m away

    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 docs
    Several homes

In Westminster

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    15 Warwick Way London SW1V 1QT

    Installation of a new shopfront.

    15 Sep 2026 Full applications
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    15 Warwick Way London SW1V 1QT

    Alterations to rear elevation at basement level comprising repolacement window and installation of double opening door.

    15 Sep 2026 Full applications
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    40 Grosvenor Place London SW1X 7HJ

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    11 Sep 2026 Full applications
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    53 Wimpole Street London W1G 8YH

    Removal and Installation of external rear air condensers and associated pipe work to ground floor, including internal works to ground and first floor. (Linked with 26/06250/LBC)

    11 Sep 2026 Full applications
  • 26/03576/FULL Decided

    15A Devonshire Terrace London W2 3DW

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    1 Jun 2026 Full applications