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Planning application

10 Downing Street London SW1A 2AA

Granted Westminster 05/01204/1884 Crown Proposal (Circular 1884 Procedure)

Permission granted. Work must normally begin within three years of the decision or the permission lapses.

Proposal

Installation of 2 air condenser units and associated internal works.

As published by the council, reference 05/01204/1884

Application record

Reference
05/01204/1884
Type
Crown Proposal (Circular 1884 Procedure)
Status
Decided
Decision
Granted As published: Application Permitted
Received
15 Feb 2005
Validated
16 Mar 2005
Decided
10 May 2005
Ward
St James's
Decision by
Delegated Decision
Postcode
SW1A 2AA

Site history

Applications at this address on the Westminster register

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
  • 09/00619/LBC Granted

    10 Downing Street London SW1A 2AA

    Refurbishment of existing WC's.

    Decided 1 Apr 2009 Heritage and listed buildings

Timeline

Dates from the published record

  1. 15 Feb 2005

    Received by Westminster

  2. 16 Mar 2005

    Validated

    Checked as complete and ready for consideration.

  3. 10 May 2005

    Decision issued: Application Permitted

  4. 29 Jul 2026

    Added to PlanIndex

What this grant of permission means

Westminster granted permission on 10 May 2005, 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.

About less common application types

This application sits outside the common categories, and the council record linked on this page sets out the specific procedure that applies. More in our guide to planning application types.

Nearby applications

Within 0.3 miles

  • 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

In Westminster

  • 06/01791/1884 Granted

    Norman Shaw North Parliamentary Victoria Embankment London SW1A 2TT

    Internal alterations to provide accommodation for women security officers.

    Received 8 Mar, published by the council 10 Aug 2026 Other
  • 04/00712/1884 Withdrawn

    Sites At 84 - 90 Regent Street; 27 - 29 Glasshouse Street And 74 - 78 Regent Street London W1B 5DF

    Alterations involving partial demolition of internal fabric behind existing facades to provide retail on part bmt, part grd and part 1st floors of 74-78 and 84-90 Regent St/27-29 Glasshouse St. Offices on part ground, part 1st and 2nd-6th floors of 74-78 Regent Street to inc 7th flr plant and office entrance off Air St. Offices on part grd, part 1st, 2nd-6th flrs and part 7th flr, inc roof plant and terrace on 84-90 Regent/27-29 Glasshouse Sts with entrance from Glasshouse St. New off-street servicing bay accessed from 29 Glasshouse St. (Application No.7).

    Received 30 Jan, published by the council 18 Sep 2026 Other
  • 05/06659/1884 Granted

    36 Whitehall London SW1A 2AY

    Installation of railings to rear garden steps.

    Received 16 Aug, published by the council 29 Jul 2026 Other
  • 05/01226/1884 Granted

    37 Belgrave Square London SW1X 8NS

    Installation of a security camera to the front portico of Seaford House at ground floor level.

    Received 16 Feb, published by the council 29 Jul 2026 Other
  • 05/05795/1884 Granted

    Refreshment Kiosk At Ritz Corner Green Park Piccadilly London W1J 9DZ

    Details of litter bins, seating and signage pursuant to Condition 1 (a), (b) and (c) of Circular 18/84 approval dated 10 June 2005 (RN: 05/03193/1884).

    Received 19 Jul, published by the council 10 Aug 2026 Other