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Planning application

Third And Fourth Floor Grosvenor Suite 26 - 27 Belgrave Square London SW1X 8QB

Granted Westminster 25/08673/ADFULL Approval of Details (Full PP)

Permission granted. Work must normally begin within three years of the decision or the permission lapses.

Proposal

Details of railings pursuant to Condition 4 (part 1) of planning permission dated 5 July 2024 (RN: 24 /01848/FULL)

As published by the council, reference 25/08673/ADFULL

Application record

Reference
25/08673/ADFULL
Type
Approval of Details (Full PP)
Status
Decided
Decision
Application Permitted
Received
27 Nov 2025
Validated
27 Nov 2025
Decided
12 Jan 2026
Ward
Knightsbridge & Belgravia
Decision by
Delegated Decision
Postcode
SW1X 8QB

Timeline

Dates from the published record

  1. 27 Nov 2025

    Received by Westminster

  2. 12 Jan 2026

    Decision issued: Application Permitted

  3. 20 Jul 2026

    Added to PlanIndex

Who's behind it

Company information only, from the register and Companies House

mcguinness architects Agent, an architecture practice registered in London

Active · incorporated 2019 · London

13 applications on PlanIndex · across 3 councils · 45% granted

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Documents

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

8 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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What this grant of permission means

Westminster granted permission on 12 January 2026, subject to any conditions on the decision notice. Work must normally begin within three years or the permission lapses. More in our guide to what happens after a planning decision.

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

  • 25 Belgrave Square London SW1X 8QD

    25/03115/ADFULL Submitted 7 May 2025 32m away

    Detailed drawings of windows pursuant to condition 4 (part) of Planning Permission dated 12th February 2025 (RN: 24/06912/FULL) (Linked with RN 25/03146/ADLBC)

    Granted Full applications Windows or glazing 8 docs

  • 25 Belgrave Square London SW1X 8QD

    26/01361/ADFULL Submitted 3 Mar 2026 32m away

    87% historically approved · decision due ~28 Apr

    Details of all new windows pursuant to Condition 4 (part) of planning permission dated 12 February 2025 (RN: 24/06912/FULL)

    Awaiting decision Full applications Windows or glazing 4 docs

  • 25 Belgrave Square London SW1X 8QD

    26/01353/ADLBC Submitted 3 Mar 2026 32m away

    91% historically approved · decision due ~28 Apr

    Details of new windows and external doors pursuant to Condition 3 of listed building consent dated 12 February 2025 (RN: 24/06901/LBC)

    Awaiting decision Conditions Windows or glazing 3 docs

  • 25 Belgrave Square London SW1X 8QD

    12/03963/FULL Submitted 19 Apr 2012 32m away

    Installation of two fan coil units within an enclosure to the rear ground floor level. Internal alterations including the blocking up of a door to vaults at lower ground floor level and replacing door with a window and formation of a store and associated alterations at second floor level.

    Granted Full applications Windows or glazing

  • 25 Belgrave Square London SW1X 8QD

    12/04629/LBC Submitted 19 Apr 2012 32m away

    Installation of two fan coil units within an enclosure to the rear ground floor level. Internal alterations including the blocking up of a door to vaults at lower ground floor level and replacing door with a window and formation of a store and associated alterations at second floor level.

    Granted Heritage and listed buildings Windows or glazing

  • 25 Belgrave Square London SW1X 8QD

    10/02439/LBC Submitted 16 Mar 2010 32m away

    Alterations to lightwell including infill extension beneath access bridge, installation of disabled accessible lift with associated works to railings/gates, new fenestration; new skylight to rear extension. Internal alterations at lower ground, ground and second floors.

    Granted Heritage and listed buildings Extension Windows or glazing 2 docs

In Westminster

  • 26/06295/FULL Awaiting decision

    15 Warwick Way London SW1V 1QT

    Installation of a new shopfront.

    15 Sep 2026 Full applications
  • 26/06297/FULL Awaiting decision

    15 Warwick Way London SW1V 1QT

    Alterations to rear elevation at basement level.

    15 Sep 2026 Full applications
  • 26/06234/FULL Awaiting decision

    40 Grosvenor Place London SW1X 7HJ

    Use of lower ground floor of Unit 3 and ground floor of Unit 2 as gym (Class E(d)) and/ or office (Class E(g))

    11 Sep 2026 Full applications
  • 26/06249/FULL Awaiting decision

    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

    Erection of an infill extension to basement courtyard to form new bedroom and internal alterations. (Linked with 26/03577/LBC)

    1 Jun 2026 Full applications