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Planning application

10 Downing Street London SW1A 2AA

Awaiting decision Westminster 26/01372/LBC Listed Building Consent Application

Still open. Anyone can comment while the consultation period runs, and comments go to the council rather than to us.

Proposal

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.

As published by the council, reference 26/01372/LBC

Application record

Reference
26/01372/LBC
Type
Listed Building Consent Application
Status
Pending
Received
25 Feb 2026
Validated
25 Feb 2026
Ward
St James's
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.

  • 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
  • 08/03454/LBC Granted

    10 Downing Street London SW1A 2AA

    Installation of CCTV.

    Decided 1 Sep 2008 Heritage and listed buildings

Timeline

Dates from the published record

  1. 25 Feb 2026

    Received by Westminster

  2. 21 Jul 2026

    Added to PlanIndex

  3. Decision

    Awaiting decision

    Decision expected by 22 April 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 65 days over the applications it decided in the last year.

Who's behind it

Company information only, from the register and Companies House

Feilden and Mawson LLP Agent

29 applications on PlanIndex · across 7 councils · 100% granted

Trade members see everything this firm has filed, how it was decided, and get an email the day it files again.

See their track record

What happens while it is decided

This application is with Westminster for determination, against a statutory target of eight weeks. Over the last year Westminster decided heritage and listed building applications in a median of 96 days. More in our guide to how long planning decisions take.

About heritage and listed building applications

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.

Nearby applications

Within 500 metres

  • 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

In Westminster

  • 26/06250/LBC Awaiting decision

    53 Wimpole Street London W1G 8YH

    Removal and Installation of external rear air condensers and associated pipe work to ground floor, including internal works to ground and first floor. (Linked with 26/06249/FULL)

    Received 11 Sep, published by the council 18 Sep 2026 Heritage and listed buildings
  • 26/06203/LBC Awaiting decision

    106 Blandford Street London W1U 8AG

    Installation of two roof-mounted anchor posts. (Linked to 26/06202/FULL)

    Received 10 Sep, published by the council 17 Sep 2026 Heritage and listed buildings
  • 26/06187/LBC Awaiting decision

    4 Shepherd Market London W1J 7QB

    Installation of wall mounted highway street light on to the facade of 4 Shepherd Market.

    Received 10 Sep, published by the council 17 Sep 2026 Heritage and listed buildings
  • 26/06216/LBC Awaiting decision

    208 Regent Street London W1B 5BD

    Strip-out of existing, modern retail unit fixtures, fittings, stair and services, with retention of heritage and listed features, including shopfront and entrances, and ground floor ceiling details and features. Fit-out of new retail fittings, fixtures and services. Retention of shopfront with new 'like-for-like' signage and a new flag pole.

    Received 10 Sep, published by the council 18 Sep 2026 Heritage and listed buildings
  • 26/06176/LBC Awaiting decision

    46 Gloucester Place London W1U 8HG

    Installation of 1,100 mm high protective railings along the existing roof-level access walkway. (Linked to 26/06178/FULL)

    Received 9 Sep, published by the council 17 Sep 2026 Heritage and listed buildings