Planning application
10 Spring Gardens London SW1A 2BN
Still open. Anyone can comment while the consultation period runs, and comments go to the council rather than to us.
Proposal
Amendments to planning permission dated 10th July 2025 (RN 25/00695/FULL) for the Use of part-ground, first, sixth, seventh and eighth floor levels as an Embassy (sui generis). Associated external alterations to the ground floor facade on Carlton House Terrace, and part ground floor to Piazza (Spring Gardens) frontage. External alterations to the doors. Installation of roof plant and security screens to the eighth floor. NAMELY, Addition of external attached building signage on West Elevation and South Elevation; Addition of two flagpoles on West Elevation; Addition of a parcel pass through, rather than fixed panel, to door on North Elevation; and omission of smoke vent and replacement with new paving to match existing paving.
As published by the council, reference 26/05886/NMA
Application record
- Reference
- 26/05886/NMA
- Category
- Amendments
- Status
- Pending
- Received
- 27 Aug 2026
- Validated
- 3 Sep 2026
- Postcode
- SW1A 2BN
Timeline
Dates from the published record
-
27 Aug 2026
Received by Westminster
-
3 Sep 2026
Validated
Checked as complete and ready for consideration.
-
6 Sep 2026
Added to PlanIndex
-
Decision
Awaiting decision
Decision expected by 29 October 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 61 days over the applications it decided in the last year.
What happens while it is decided
The process from here
This application is with Westminster for determination. The council publicises it, consults neighbours and technical bodies where required, and weighs the responses against local and national planning policy.
The statutory target is eight weeks for most applications and thirteen for major development, though extensions of time are common. Comments carry most weight while the case is undecided, so check the council portal for the deadline if you want to respond.
About amendments applications
How this application type works
An amendment application changes a permission that already exists. Non-material amendments cover small adjustments with no wider effect, while minor material amendments, usually made by varying a condition, allow modest design changes without a fresh application. Anything beyond that needs a new permission, so the scope here is deliberately narrow.
Nearby applications
Within 500 metres
-
10 Spring Gardens London SW1A 2BN
92% historically approved · decision due ~7 Aug
Amendments to planning permission dated 25 May 2023 (RN: 22/07991/FULL) for: refurbishment of the existing building including relocation and provision of mechanical plant at eighth floor level and roof level, installation of photovoltaic panels and new lift overrun at roof level. Alterations to the Carlton House Terrace elevation to facilitate wheelchair access. Replacement of existing windows on the building and installation of acoustic louvres to the west facade at eighth floor level. Alterations to the building undercroft including a new entrance lobby and facade lighting and CCTV. Provision of a new cycle and waste store and loading bay. External alterations to the adjacent piazza area including the installation of bollards, raised external area and the demised area for external seating and external lighting to the stair and passage to Carlton House Terrace; namely to include a roof step-over ladder and to amend PV panel layout.
Decided Amendments Windows or glazing -
10 Spring Gardens London SW1A 2BN
Display of one halo illuminated fascia sign measuring 0.21m x 1.8m on the 10 Spring Gardens undercroft elevation and one back lit illuminated bike signage panel measuring 0.37m x 0.61m at the cycle store entrance elevation.
Granted Advertising 11 docs -
10 Spring Gardens London SW1A 2BN
T1 1 x Platanus x hispanica: Crown lift by 2m, pruning low hanging branches secondary branches only, leaving a well-balanced crown. Reduce back off adjacent wall/building to give 2m clearance. Reduce Previously reduced, overextended, low lateral branches, growing over the paved area to the East by approximately 1.5-2m shaping into upper crown. Remove Massaria infected branches with a diameter of up to 100mm and remove deadwood. T2 1 x Platanus x hispanica: Crown lift by 2m, pruning low hanging branches secondary branches only, leaving a well-balanced crown. Reduce Previously reduced, overextended, low lateral branches, growing over the paved area to the East by approximately 1.5-2m shaping into upper crown. Remove Massaria infected branches with a diameter of up to 100mm and remove deadwood. T3 1 x Platanus x hispanica: Crown lift by 2m, pruning low hanging branches secondary branches only, leaving a well-balanced crown. Reduce back off adjacent wall/building to give 2m clearance. Reduce Over-extended branch adjacent to the National Insitute for Health Building by 1.5m to balance crown. Remove Massaria infected branches with a diameter of up to 100mm and remove deadwood.
Granted Trees 8 docs -
10 Spring Gardens London SW1A 2BN
87% historically approved · decision due ~13 Feb
New hard and soft landscaping of the piazza area in front of 10 Spring Gardens and partial replacement of the existing steps (towards The Mall) to provide a new ramped access.
Awaiting decision Full applications 54 docs -
2 Spring Gardens London SW1A 2TS
Retention of two flags (1 each on Spring Gardens and Cockspur Street elevations).
Refused Advertising 4 docs -
2 Spring Gardens London SW1A 2TS
Display of three exterior banners inside the fascia portion of the facade to Cockspur Street and Spring Gardens elevations for a temporary period.
Withdrawn Advertising 6 docs
Other amendments applications
In Westminster
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26/05881/NMA Awaiting decision
50A Warlock Road London W9 3LW
Amendments to planning permission dated 11 August 2026 (RN: 26/04158/FULL) for the: Erection of a single-storey rear extension at lower ground floor level; replacement of existing rear window with a door at ground floor level and creation of terrace with associated railings/screening; and associated external alterations. NAMELY, revise the height of the rear elevation kitchen French doors.
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26/05798/NMA Awaiting decision
3 Blenheim Road London NW8 0LU
Amendments to planning permission dated 18th January 2024 (RN:22/04886/FULL) for Excavation of single-storey basement extension with lightwells to front and rear gardens; Erection of single-storey extension to rear and three-storey extension to side; Formation of door to rear at lower ground floor level; Landscaping works; and associated external alterations. Namely, internal alterations and minor adjustment to rooflight position.
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26/05670/NMA Awaiting decision
64 St James's Street London SW1A 1NF
Amendments to planning permission dated 2nd September 2021 (21/02158/FULL) for: Demolition of the existing mansard roof and removal of plant and escape stair; erection of new double mansard roof extension and rear extension for additional commercial floorspace (Use Class E); and installation of new escape stair, rear balconies, roof terrace and associated works namely, amendments to allow for the installation of a condenser unit within the rear lightwell.
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26/05674/NMA Awaiting decision
52 Eaton Place London SW1X 8AL
Amendments to planning permission dated 25 September 2025 (25/05108/FULL) for: Alterations to rear extension at first floor level including creation of rear roof terrace at second floor level; replacement of first and second floor level front windows with double glazed timber sash windows; replacement of front door; reinstatement of period windows and doors namely, to allow replacement of second floor rear full height sash window with set of french doors.
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26/05586/NMA Awaiting decision
York House 23 Kingsway London WC2B 6UJ
Amendments to planning permission dated 21 November 2025 (RN: 25/04455/FULL) for Alteration and refurbishment of the ground floor entrances on both Kingsway and Kean Street; alterations to the 8th floor rear elevation in association with improved access to the external amenity terrace; installation of air conditioning condensers on the rooftop of the building; and replacement of the associated existing plant screen. Namely, the omission of two dormer windows at 8th floor level