10 Downing Street London SW1A 2AA

This site has had 16 applications since 2005: 15 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 Granted

  10 Downing Street London SW1A 2AA

  Application for External Works to Steps. (Linked app: 25/09398/FULL)

  Decided 31 Mar 2026 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
• 12/04102/FULL 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 Full applications
• 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
• 08/03454/LBC Granted

  10 Downing Street London SW1A 2AA

  Installation of CCTV.

  Decided 1 Sep 2008 Heritage and listed buildings

1. 23 Jan 2009

   Received by Westminster

2. 1 Apr 2009

   Decision issued: Application Permitted

3. 29 Jul 2026

   Added to PlanIndex

Westminster granted permission on 1 April 2009, 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.

Listed building consent is needed for works that affect the special interest of a listed building, and carrying out such works without it is a criminal offence. More in our guide to planning application types.

• 10 Downing Street London SW1A 2AA

  11/03500/LBC Submitted 8 Apr 2011 50 yards 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 50 yards away

  Replacement of existing external lighting.

  Granted Heritage and listed buildings

• 11 Downing Street London SW1A 2AA

  10/06521/LBC Submitted 28 Jul 2010 50 yards 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 50 yards away

  Installation of CCTV.

  Granted Heritage and listed buildings

• 10 Downing Street London SW1A 2AA

  08/03453/FULL Submitted 17 Apr 2008 50 yards away

  Installation of a CCTV camera.

  Granted Full applications

• 10 Downing Street London SW1A 2AA

  09/08135/LBC Submitted 7 Oct 2009 50 yards 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

• 26/05473/LBC Decided

  9A Grosvenor Square London W1K 5AE

  Installation of natural Portland Stone paving to two front entrances. (Linked to 26/06273/FULL)

  Received 12 Aug, published by the council 22 Sep 2026 Heritage and listed buildings
• 26/07421/LBC Awaiting decision

  1 Upper St Martin's Lane London WC2H 9NY

  Installation of non-illuminated vinyl lettering to the external face of the existing ground-floor shopfront windows for a temporary period. (Linked with 26/07083/ADV)

  Received 30 Oct, published by the council 3 Nov 2026 Heritage and listed buildings
• 26/07416/LBC Awaiting decision

  39 Montagu Square London W1H 2LL

  Amalgamation of Flats 3 and 4 to form one single dwelling including associated internal reconfiguration and refurbishments, alterations to access arrangements and improvements to the existing terrace and private amenity spaces. Together with the removal and alteration of modern partitions, roof replacement, rebuilding of the roof terrace, addition of a new staircase, structural works, new window openings, and other associated works. (Linked with 26/07415/FULL)

  Received 30 Oct, published by the council 3 Nov 2026 Heritage and listed buildings
• 26/07404/LBC Awaiting decision

  Basement Floor And Ground Floor Queen Annes House 34 Queen Anne's Gate London SW1H 9AB

  Refurbishment and enhancement of the building to facilitate its continued use as offices with ancillary residential accommodation, together with associated conservation, restoration, accessibility improvements, building services upgrades, landscaping and ancillary works. Internal and external alterations associated with the repair. (Linked with 26/07403/FULL)

  Received 30 Oct, published by the council 3 Nov 2026 Heritage and listed buildings
• 26/07390/LBC Awaiting decision

  40 Wigmore Street London W1U 2RX

  Installation of a non-illuminated fascia sign measuring 0.29m x 0.79m and two vinyl signs applied to inside face of the glazed shopfront each measuring 0.22m x 0.84m. (Linked with 26/06970/ADV)

  29 Oct 2026 Heritage and listed buildings