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Planning application

33 St James's Square London SW1Y 4JS

Awaiting decision Westminster 26/02814/FULL Full Planning Permission Application

Works: Extension Demolition

Still open. Anyone can comment while the consultation period runs, and comments go to the council rather than to us.

Proposal

Variation of conditions 1, 11, 16, 24 and 25 of planning permission dated 19 October 2020 (RN: 20/03222/FULL) for the partial demolition and reconstruction of enlarged rear extension with additional storey; formation of terraces at ground, fourth, fifth and sixth floor levels; excavation to extend existing basement level; installation of plant machinery; internal alterations including installation of new grand stair; and associated external alterations in connection with increase in office floorspace (Class B1). NAMELY, to make changes to the approved drawings to allow changes to extend the lift overrun, remodelling of the roofscape, introduction of a secondary external staircase, omission of sixth floor east elevation terrace, minor amendments to elevations, plant reconfiguration and internal design changes. This also includes variations to Condition 11 (Roof Terrace), Condition 16 (Operational Management Plan), Condition 24 (Roof Terrace Hours) and Condition 25 (C`harles II Street crossover). [Linked to 26/02705/LBC]

As published by the council, reference 26/02814/FULL

Application record

Reference
26/02814/FULL
Type
Full Planning Permission Application
Status
Pending
Received
28 Apr 2026
Validated
29 Apr 2026
Ward
St James's
Postcode
SW1Y 4JS

Site history

Applications at this address on the Westminster register

This site has had 4 applications since 2026.

  • 26/06907/ADFULL Awaiting decision

    33 St James's Square London SW1Y 4JS

    Details of a unilaterial undertaking to complete the development work pursuant to condition 7 of planning permission dated 11 September 2026 (26/02814/FULL).

    Submitted 9 Oct 2026
  • 26/03012/ADFULL Awaiting decision

    33 St James's Square London SW1Y 4JS

    Details of unilateral undertaking pursuant to condition 7 of planning permission dated 27th October 2020 (RN: 20/03222/FULL) to ensure that demolition on the site will only occur immediately prior to development of the new building.

    Submitted 7 May 2026 Full applications
  • 26/02705/LBC Awaiting decision

    33 St James's Square London SW1Y 4JS

    Amendment to lift overrun to provide level access to seventh floor in line with building and fire regulation requirements; remodelling of the roofscape, including an amended set back plant enclosure; introduction of a secondary escape stair as required by fire regulations; omission of sixth floor east elevation roof terrace; minor amendments to east elevation; introduction of seventh floor plant well; internal reconfiguration of layouts and core. [Linked to 26/02814/FULL]

    Submitted 23 Apr 2026 Heritage and listed buildings

Timeline

Dates from the published record

  1. 28 Apr 2026

    Received by Westminster

  2. 29 Apr 2026

    Validated

    Checked as complete and ready for consideration.

  3. 21 Jul 2026

    Added to PlanIndex

  4. Decision

    Awaiting decision

    Decision expected by 24 June 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 91 days over the applications it decided in the last year.

Cases linked to this one on the register

1 later application on the register refers to this one:

  • 26/06907/ADFULL Awaiting decision

    33 St James's Square London SW1Y 4JS

    Details of a unilaterial undertaking to complete the development work pursuant to condition 7 of planning permission dated 11 September 2026 (26/02814/FULL).

    Submitted 9 Oct 2026

Who's behind it

Company information only, from the register and Companies House

DP9 Ltd Agent

Active · incorporated 2004

2,658 applications on PlanIndex · across 36 councils · 98% granted

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Documents

Plans, drawings, consultee responses and the officer's report

63 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.

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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 119 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 0.3 miles

  • 33 St James's Square London SW1Y 4JS

    26/02705/LBC Submitted 23 Apr 2026 50 yards away

    90% historically approved · decision due ~24 Jun

    Amendment to lift overrun to provide level access to seventh floor in line with building and fire regulation requirements; remodelling of the roofscape, including an amended set back plant enclosure; introduction of a secondary escape stair as required by fire regulations; omission of sixth floor east elevation roof terrace; minor amendments to east elevation; introduction of seventh floor plant well; internal reconfiguration of layouts and core. [Linked to 26/02814/FULL]

    Awaiting decision Heritage and listed buildings 61 docs

  • 33 St James's Square London SW1Y 4JS

    26/03012/ADFULL Submitted 7 May 2026 50 yards away

    88% historically approved · decision due ~2 Jul

    Details of unilateral undertaking pursuant to condition 7 of planning permission dated 27th October 2020 (RN: 20/03222/FULL) to ensure that demolition on the site will only occur immediately prior to development of the new building.

    Awaiting decision Full applications Demolition 5 docs

  • 33 St James's Square London SW1Y 4JS

    26/06907/ADFULL Submitted 9 Oct 2026 50 yards away

    89% historically approved · decision due ~4 Dec

    Details of a unilaterial undertaking to complete the development work pursuant to condition 7 of planning permission dated 11 September 2026 (26/02814/FULL).

    Awaiting decision

  • Norfolk House 31 St James's Square London SW1Y 4JR

    26/07096/ADFULL Submitted 16 Oct 2026 50 yards away

    89% historically approved · decision due ~11 Dec

    Details of the final BREEAM Excellent rating awarded for the development pursuant to Condition 20 of planning permission dated 3rd November 2017 (RN:16/09591/FULL)

    Decided

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    07/03141/FULL Submitted 5 Apr 2007 50 yards away

    Use of ground and lower ground floors as auction house and art gallery (sui generis).

    Granted Full applications 5 docs

  • 30 Charles II Street London SW1Y 4AE

    03/07090/AD7 Submitted 11 Sep 2003 50 yards away

    Display for a temporary period of six months of a non-illuminated 'To Let'/'For Sale'* board located on the face of the building at a height between 3m and 4.6m above pavement level and measuring 0.9m x 0.6m.

    Granted Advertising 2 docs

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