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Planning application

25 Belgrave Square London SW1X 8QD

Awaiting decision Westminster 26/01361/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

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

As published by the council, reference 26/01361/ADFULL

Application record

Reference
26/01361/ADFULL
Type
Approval of Details (Full PP)
Status
Pending
Received
3 Mar 2026
Validated
3 Mar 2026
Ward
Knightsbridge & Belgravia
Postcode
SW1X 8QD

Site history

Applications at this address on the Westminster register

This site has had 6 applications since 2010: 4 approved, 0 refused.

  • 26/01353/ADLBC Awaiting decision

    25 Belgrave Square London SW1X 8QD

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

    Submitted 3 Mar 2026 Conditions
  • 25/03115/ADFULL Granted

    25 Belgrave Square London SW1X 8QD

    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)

    Decided 17 Jun 2025 Full applications
  • 12/03963/FULL Granted

    25 Belgrave Square London SW1X 8QD

    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.

    Decided 16 Oct 2012 Full applications
  • 12/04629/LBC Granted

    25 Belgrave Square London SW1X 8QD

    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.

    Decided 16 Oct 2012 Heritage and listed buildings
  • 10/02439/LBC Granted

    25 Belgrave Square London SW1X 8QD

    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.

    Decided 11 May 2010 Heritage and listed buildings

Timeline

Dates from the published record

  1. 3 Mar 2026

    Received by Westminster

  2. 21 Jul 2026

    Added to PlanIndex

  3. Decision

    Awaiting decision

    Decision expected by 28 April 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 64 days over the applications it decided in the last year.

Who's behind it

Company information only, from the register and Companies House

Savills Limited Agent, registered in London

Active · incorporated 1987 · London

2,107 applications on PlanIndex · across 183 councils · 93% granted

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

4 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

  • 25 Belgrave Square London SW1X 8QD

    25/03115/ADFULL Submitted 7 May 2025 0m 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

    26/01353/ADLBC Submitted 3 Mar 2026 0m 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 0m 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 0m 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 0m 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

  • 1 - 3 Belgrave Mews South London SW1X 8BT

    25/07399/NMA Submitted 13 Oct 2025 20m away

    Amendments to planning permission dated 27th August 2024 (RN:24/03215/FULL) for: Demolition behind retained front facade and construction of replacement house including replacement rear extension and terrace at lower height with new shallow balcony at second floor level; replacement of the fenestration and the roof of the existing mansard to include inset PV panels and an enclosed plant deck; and reposition front door with shallower porch. NAMELY, to allow amendments to ground floor rear fenestration.

    Granted Amendments Extension Loft or dormer +2 4 docs
    Small domestic

In Westminster

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    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
  • 26/03576/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
  • 26/06202/FULL Awaiting decision

    106 Blandford Street London W1U 8AG

    Installation of two roof-mounted anchor posts. (Linked to 26/06203/LBC)

    10 Sep 2026 Full applications
  • 26/04986/FULL Decided

    Inver Court Inverness Terrace London W2 6JB

    Replacement of combustible materials in the render facades; timber decking and plastic soffits/ fascias to terraces with non-combustible materials on the 5th and 6th floors.

    24 Jul 2026 Full applications