10 Spring Gardens London SW1A 2BN

This site has had 5 applications since 2025: 2 approved, 0 refused.

• 26/05886/NMA Awaiting decision

  10 Spring Gardens London SW1A 2BN

  Amendments to planning permission dated 10 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, the addition of external attached building signage on the west elevation and south elevation, addition of two flagpoles on the west elevation, additional of a parcel pass through, rather than a fixed panel to the door on the north elevation and omission of a smoke vent and replacement paving to match existing paving.

  Submitted 27 Aug 2026 Amendments
• 26/03875/NMA Decided

  10 Spring Gardens London SW1A 2BN

  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.

  Submitted 12 Jun 2026 Amendments
• 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.

  Decided 19 Feb 2026 Trees
• 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.

  Decided 12 Feb 2026 Advertising

1. 19 Dec 2025

   Received by Westminster

2. 20 Jul 2026

   Added to PlanIndex

3. Decision

   Awaiting decision

   Decision expected by 13 February 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 66 days over the applications it decided in the last year.

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 91 days. More in our guide to how long planning decisions take.

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.

• 10 Spring Gardens London SW1A 2BN

  25/07676/ADV Submitted 23 Oct 2025 50 yards away

  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

  26/05886/NMA Submitted 27 Aug 2026 50 yards away

  93% historically approved · decision due ~29 Oct

  Amendments to planning permission dated 10 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, the addition of external attached building signage on the west elevation and south elevation, addition of two flagpoles on the west elevation, additional of a parcel pass through, rather than a fixed panel to the door on the north elevation and omission of a smoke vent and replacement paving to match existing paving.

  Awaiting decision Amendments

• 10 Spring Gardens London SW1A 2BN

  26/03875/NMA Submitted 12 Jun 2026 50 yards away

  93% 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

• Admiralty Arch The Mall London SW1A 2WH

  25/07552/LBC Submitted 17 Oct 2025 50 yards away

  Alterations to existing rooflight and chimney and lift extension at Level 06 and to maintenance access requirements at Level 07.

  Granted Heritage and listed buildings Extension Loft or dormer 26 docs

• Admiralty Arch The Mall London SW1A 2WH

  25/07638/ADLBC Submitted 21 Oct 2025 50 yards away

  Details of the new cage lifts, showing appearance and relationship to historic fabric pursuant to condition 4(xiii) of listed building consent dated 21st May 2025 (RN: 25/01971/LBC)

  Granted Conditions 10 docs

• Admiralty Arch The Mall London SW1A 2WH

  25/05646/ADFULL Submitted 12 Aug 2025 50 yards away

  Details of new south block entrance and sample of stone for the new south block entrance pursuant to conditions 30 and 31 of planning permission dated 06 January 2025 (RN: 24/03757/FULL).

  Granted Full applications 9 docs

• 26/06295/FULL Awaiting decision

  15 Warwick Way London SW1V 1QT

  Installation of a new shopfront with Medication Dispensing Outlet.

  Received 15 Sep, published by the council 17 Sep 2026 Full applications
• 26/06297/FULL Awaiting decision

  15 Warwick Way London SW1V 1QT

  Alterations to rear elevation at basement level comprising replacement window and installation of double opening door.

  Received 15 Sep, published by the council 17 Sep 2026 Full applications
• 26/06294/FULL Awaiting decision

  15 Eaton Mews South London SW1W 9HP

  Installation of railings and sliding lantern light at main roof level in connection with the use of the roof as a terrace.

  Received 15 Sep, published by the council 22 Sep 2026 Full applications
• 26/06317/FULL Awaiting decision

  124 Hamilton Terrace London NW8 9UT

  Replacement of existing first-floor sash windows to the front and rear elevations with traditionally detailed painted timber, slim-profile double-glazed sash windows. (Linked to 26/06318/LBC)

  Received 15 Sep, published by the council 22 Sep 2026 Full applications
• 26/06273/FULL Awaiting decision

  9A Grosvenor Square London W1K 5AE

  Installation of natural Portland Stone paving to two front entrances. (Linked to 26/05473/LBC)

  Received 14 Sep, published by the council 22 Sep 2026 Full applications