Planning application
25 Belgrave Square London SW1X 8QD
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 new windows and external doors pursuant to Condition 3 of listed building consent dated 12 February 2025 (RN: 24/06901/LBC)
As published by the council, reference 26/01353/ADLBC
Application record
- Reference
- 26/01353/ADLBC
- Type
- Approval of Details (ADLBC)
- 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.
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26/01361/ADFULL Awaiting decision
25 Belgrave Square London SW1X 8QD
Details of all new windows pursuant to Condition 4 (part) of planning permission dated 12 February 2025 (RN: 24/06912/FULL)
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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)
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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.
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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.
-
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.
Timeline
Dates from the published record
-
3 Mar 2026
Received by Westminster
-
21 Jul 2026
Added to PlanIndex
-
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 recordDocuments
Plans, drawings, consultee responses and the officer's report
3 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 condition discharge and variation applications in a median of 43 days. More in our guide to how long planning decisions take.
About condition discharge and variation applications
This application deals with conditions on an existing permission, supplying the details a condition requires or asking to vary or remove one, without reopening the permission itself. More in our guide to planning application types.
Nearby applications
Within 500 metres
-
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)
Granted Full applications Windows or glazing 8 docs -
25 Belgrave Square London SW1X 8QD
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
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
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
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
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 docsSmall domestic
Other condition discharge and variation applications
In Westminster
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26/04860/ADLBC Granted
New Zealand House 80 Haymarket London SW1Y 4TE
Details of external and internal signage strategy pursuant to Condition 7(E) of listed building consent dated 12th February 2021 (RN: 19/07816/LBC)
-
26/04843/ADLBC Granted
New Zealand House 80 Haymarket London SW1Y 4TE
Detailed design and specification of new blinds to NZH based on mock-up trials on-site pursuant to Condition 6(m) of listed building consent dated 12th February 2021 (19/07816/LBC).
-
26/05026/ADLBC Awaiting decision
St James's Park The Mall London SW1A 1AA
Details of method statement for re-carving works pursuant to condition 3(i) of listed building consent dated 16 July 2026 (RN: 26/03399/LBC)
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26/04850/ADLBC Awaiting decision
17 Belgrave Square London SW1X 8PG
Detailed drawings of garage doors, roof lantern and any new lighting and flooring in the principal rooms pursuant to condition 6 (iii) (iv) (v) of listed building 18th August 2025 (RN:25/03417/LBC)
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25/07120/ADLBC Granted
72 - 74 Lancaster Gate London W2 3NH
Details of new and altered doors and door architraves, including external faces of lifts (detailed elevations and sections at 1:10) pursuant to Condition 3 (A) of Listed Building Consent dated 14 December 2023 (RN: 23/00772/LBC) (Linked app: 25/07088/ADFULL)