10 Downing Street London SW1A 2AA

This site has had 16 applications since 2005: 14 approved, 0 refused.

• 26/01372/LBC Awaiting decision

  10 Downing Street London SW1A 2AA

  Removal and replacement of internal doors, typically existing frames and architraves to remain in place. Addition of two new doors at 3rd floor level. Removal of modern timber framed partition and door, replaced with new construction at similar location at 3rd floor. Replacement of a modern security shutter with a fire curtain.

  Submitted 25 Feb 2026 Heritage and listed buildings
• 25/09398/FULL Granted

  10 Downing Street London SW1A 2AA

  Application for External Works to Steps. (Linked app: 25/08032/LBC)

  Decided 31 Mar 2026 Full applications
• 25/08032/LBC Awaiting decision

  10 Downing Street London SW1A 2AA

  Installation of bespoke external platform lift, the removal and replacement of stone step at entrance and adjacent stone pavers.

  Submitted 24 Oct 2025 Heritage and listed buildings
• 25/05863/LBC Granted

  10 Downing Street London SW1A 2AA

  Installation of metal angle to internal stone staircase to prevent further movement.

  Decided 9 Oct 2025 Heritage and listed buildings
• 12/04103/LBC Granted

  10 Downing Street London SW1A 2AA

  Erection of new railings and handrail to existing flight of steps leading from Mountbatten Green to Downing Street.

  Decided 2 Jul 2012 Heritage and listed buildings
• 11/03500/LBC Granted

  10 Downing Street London SW1A 2AA

  Internal alterations involving forming a new aperture in an existing dividing wall.

  Decided 14 Jun 2011 Heritage and listed buildings
• 11/03473/LBC Granted

  10 Downing Street London SW1A 2AA

  Replacement of existing external lighting.

  Decided 14 Jun 2011 Heritage and listed buildings
• 09/08135/LBC Granted

  10 Downing Street London SW1A 2AA

  Brickwork conservation to the Kent block and relaying of paving to the Kent Block Terrace: Repair and conservation of the red coloured brickwork of the North or Kent Block and the black coloured brickwork of west face of the link corridor to the front block with associated repairs to the clay tile roofing and timber cornice below the gutter: Lifting of paving to the terrace to the west of the Kent block, excavation of loose fill, placement of lime concrete fill with hydraulic lime based tanking water resisting layer and reinstatement of the stone paving.

  Decided 2 Dec 2009 Heritage and listed buildings
• 09/00619/LBC Granted

  10 Downing Street London SW1A 2AA

  Refurbishment of existing WC's.

  Decided 1 Apr 2009 Heritage and listed buildings
• 08/03454/LBC Granted

  10 Downing Street London SW1A 2AA

  Installation of CCTV.

  Decided 1 Sep 2008 Heritage and listed buildings

1. 17 Apr 2012

   Received by Westminster

2. 15 May 2012

   Validated

   Checked as complete and ready for consideration.

3. 2 Jul 2012

   Decision issued: Application Permitted

4. 29 Jul 2026

   Added to PlanIndex

Westminster granted permission on 2 July 2012, subject to any conditions on the decision notice. Work must normally begin within three years or the permission lapses. More in our guide to what happens after a planning decision.

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 Downing Street London SW1A 2AA

  11/03500/LBC Submitted 8 Apr 2011 0m away

  Internal alterations involving forming a new aperture in an existing dividing wall.

  Granted Heritage and listed buildings

• 10 Downing Street London SW1A 2AA

  11/03473/LBC Submitted 8 Apr 2011 0m away

  Replacement of existing external lighting.

  Granted Heritage and listed buildings

• 11 Downing Street London SW1A 2AA

  10/06521/LBC Submitted 28 Jul 2010 0m away

  Internal alterations comprising new partition wall and relocation of door leaf.

  Granted Heritage and listed buildings

• 10 Downing Street London SW1A 2AA

  08/03454/LBC Submitted 17 Apr 2008 0m away

  Installation of CCTV.

  Granted Heritage and listed buildings

• 10 Downing Street London SW1A 2AA

  08/03453/FULL Submitted 17 Apr 2008 0m away

  Installation of a CCTV camera.

  Granted Full applications

• 10 Downing Street London SW1A 2AA

  09/08135/LBC Submitted 7 Oct 2009 0m away

  Brickwork conservation to the Kent block and relaying of paving to the Kent Block Terrace: Repair and conservation of the red coloured brickwork of the North or Kent Block and the black coloured brickwork of west face of the link corridor to the front block with associated repairs to the clay tile roofing and timber cornice below the gutter: Lifting of paving to the terrace to the west of the Kent block, excavation of loose fill, placement of lime concrete fill with hydraulic lime based tanking water resisting layer and reinstatement of the stone paving.

  Granted Heritage and listed buildings

• 26/06024/FULL Awaiting decision

  House Of Commons Palace Of Westminster Parliament Square London SW1A 0AA

  Installation of new and replacement electronic equipment within Speaker. (Linked with 26/06025/LBC)

  3 Sep 2026 Full applications
• 26/06017/FULL Awaiting decision

  38 Lauderdale Mansions Lauderdale Road London W9 1NE

  Installation of an external AC Unit / Heat Pump at roof level.

  2 Sep 2026 Full applications
• 26/05938/FULL Awaiting decision

  24 Vincent Square London SW1P 2NJ

  Subdivision of existing residential property to create two self-contained 3-bedroom family homes, along with cycle parking and associated external alterations.

  1 Sep 2026 Full applications
• 26/05935/FULL Awaiting decision

  47 Hereford Road London W2 5AH

  Installation of one number new external condenser unit to the southerly elevation service alley.

  1 Sep 2026 Full applications
• 26/05959/FULL Awaiting decision

  Basement And Ground Floor 50 New Bond Street London W1S 1BJ

  Installation of three new condensers on the roof, within an existing designated plant area.

  1 Sep 2026 Full applications