Planning application
10 Spring Gardens London SW1A 2BN
Works: Windows or glazing
Decided. The decision notice on the council portal carries the outcome in full, including any conditions.
Proposal
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.
As published by the council, reference 26/03875/NMA
Application record
- Reference
- 26/03875/NMA
- Category
- Amendments
- Status
- Decided
- Received
- 12 Jun 2026
- Validated
- 12 Jun 2026
- Postcode
- SW1A 2BN
Site history
Applications at this address on the Westminster register
This site has had 5 applications since 2025: 2 approved, 0 refused.
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26/05886/NMA Decided
10 Spring Gardens London SW1A 2BN
Amendments to planning permission dated 10 July 2025 (RN: 25/00695/FULL) for: 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 a parcel pass through in place of a fixed panel to the door on the north elevation.
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26/00280/TCA Granted
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.
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25/09212/FULL Awaiting decision
10 Spring Gardens London SW1A 2BN
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.
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25/07676/ADV Granted
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.
Timeline
Dates from the published record
-
12 Jun 2026
Received by Westminster
-
21 Jul 2026
Added to PlanIndex
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9 Aug 2026
Status changed to Decided
Previously Pending.
After the decision
Westminster has decided this application; the outcome above is the register's own wording and the decision notice on the council portal carries the detail. More in our guide to what happens after a planning decision.
About amendment applications
An amendment application makes limited changes to a permission that already exists; anything beyond modest adjustment needs a fresh application. More in our guide to planning application types.
Nearby applications
Within 0.3 miles
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10 Spring Gardens London SW1A 2BN
93% historically approved · decision due ~29 Oct
Amendments to planning permission dated 10 July 2025 (RN: 25/00695/FULL) for: 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 a parcel pass through in place of a fixed panel to the door on the north elevation.
Decided Amendments -
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
88% 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
Installation of a new illuminated canopy to the front entrance of the hotel.
Granted Full applications 21 docs -
2 Spring Gardens London SW1A 2TS
Retention of two flags (1 each on Spring Gardens and Cockspur Street elevations).
Refused Advertising 4 docs
Other amendment applications
In Westminster
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26/07459/NMA Awaiting decision
1 Hanover Square London W1S 1HA
Amendments to planning pemrission dated 10 October 2025 (RN: 25/01558/FULL) for the: Partial demolition, refurbishment and extension of the existing building to provide a sub-basement, basement, ground plus eight storey building; infilling and stepped rear extension; excavation of a new sub-basement level; installation of new plant equipment at basement and roof level; terraces at fourth, fifth, sixth, seventh and eighth floor levels; soft and hard landscaping; reprovision of car parking; new cycle parking facilities; and associated external works. Use of the building for retail and/or restaurant (Class E) on part ground floor and office (Class E) on all other floors. NAMELY, to allow alterations to the design of the ground floor frontages on Hanover Square and St George Street.
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26/07438/NMA Awaiting decision
29 - 31 Hill Street London W1J 5LS
Amendments to planning permission dated 1st July 2025 (RN 25/01006/FULL) for the external alterations at roof level including the creation of Level 04 roof terrace for use in association with existing office (Class E), replacement and installation of new plant and landscaping, replacement of windows, introduction of louvres, removal and replacement of rooflights, installation of new rooflight and other associated works. NAMELY, for alterations comprising of the removal of window sash boxes and weights, changes to the window mullion arrangement, the removal of two sash windows, the installation of secondary glazing, the removal of existing chamber hatch and installation of extract vent and integrated bench, the external replacement of rainwater goods and hoppers, the removal of bricks and installation of airbricks, minor demolition works, replacement of roof covering, removal of ductwork, roof plant rearrangement, the installation of a new external door to plant area, minor layout alterations and other associated works.
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26/07389/NMA Decided
Flat 1 5 Grittleton Road London W9 2DD
Amendments to planning permission dated 04 June 2025 (RN: 25/02022/FULL), NAMELY, amendment of Condition 4 to correct the property address from 9 Aldridge Road Villas to Flat 1 5 Grittleton Road.
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26/07377/NMA Awaiting decision
60 Ledbury Road London W11 2AJ
Amendments to planning permission dated 2nd October 2025 (RN 25/04018/FULL) for the Partial demolition, refurbishment, and erection of a mansard roof extension to form a new third floor with dormers to front, side and rear elevations; to form 6 flats (Class C3) on upper floors; external plant equipment and ductwork; lower ground floor excavation to increase floor to ceiling height; replacement windows; cycle parking and associated external alterations; use of the part ground floor and lower ground floor as retail and restaurant (Class E). Site includes 60-68 Ledbury Road) NAMELY, An amendment to the basement and ground floor drawing reference numbers; amendment to the description of development, in reference to restaurant and or retail use; and amendments to C
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26/07375/NMA Awaiting decision
77 Hereford Road London W2 5BB
Amendments to planning permission dated 4th August 2026 (RN 26/03970/FULL) for the Replacement of roof terrace access stair with glazed hatch, new timber decking and front and rear roof railings to roof terrace, with infilling side window of closet wing. NAMELY, Hinged hatch access substituted by sliding hatch.