16 - 18 Connaught Place London W2 2ES

This site has had 2 applications since 2026.

• 26/06171/FULL Awaiting decision

  16 - 18 Connaught Place London W2 2ES

  Retrofit, remodelling and extension of existing office building comprising external and internal alterations, provision of additional office accommodation (Class E), replacement of existing curtain walling and other associated works, provision of roof terraces, external landscaping and other associated internal and external works. (Linked to 26/06172/LBC)

  Submitted 9 Sep 2026 Full applications

1. 9 Sep 2026

   Received by Westminster

2. 22 Sep 2026

   Added to PlanIndex

3. Decision

   Awaiting decision

   Decision expected by 4 November 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 91 days over the applications it decided in the last year.

1 later application on the register refers to this one:

• 26/06171/FULL Awaiting decision

  16 - 18 Connaught Place London W2 2ES

  Retrofit, remodelling and extension of existing office building comprising external and internal alterations, provision of additional office accommodation (Class E), replacement of existing curtain walling and other associated works, provision of roof terraces, external landscaping and other associated internal and external works. (Linked to 26/06172/LBC)

  Submitted 9 Sep 2026 Full applications

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

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.

• 16 - 18 Connaught Place London W2 2ES

  26/06171/FULL Submitted 9 Sep 2026 50 yards away

  88% historically approved · decision due ~4 Nov

  Retrofit, remodelling and extension of existing office building comprising external and internal alterations, provision of additional office accommodation (Class E), replacement of existing curtain walling and other associated works, provision of roof terraces, external landscaping and other associated internal and external works. (Linked to 26/06172/LBC)

  Awaiting decision Full applications Extension Windows or glazing

• Bain House 16 Connaught Place London W2 2ES

  08/06487/FULL Submitted 22 Jul 2008 50 yards away

  Installation of air conditioning equipment to external terraces at rear third floor.

  Granted Full applications 7 docs

• Bain House 16 Connaught Place London W2 2ES

  08/05775/FULL Submitted 4 Jul 2008 50 yards away

  Replacement of eastern wing roof top a/c plant at 16-17. Connaught Place with 15 air conditioning condensers.

  Granted Full applications 8 docs

• Bain House 16 Connaught Place London W2 2ES

  07/03777/FULL Submitted 27 Apr 2007 50 yards away

  Erection of three new air conditioning units within an enclosure at front lower ground floor level.

  Granted Full applications 8 docs

• 17 Connaught Place London W2 2ES

  04/07892/AD7 Submitted 7 Oct 2004 50 yards away

  Display of Estate Agent Board.

  Granted Advertising 2 docs

• Bain House 16 Connaught Place London W2 2ES

  04/06640/AD7 Submitted 20 Aug 2004 50 yards away

  Display of Estate Agent Board. (Resubmission)

  Granted Advertising 3 docs

• 26/07529/LBC Awaiting decision

  69 Eaton Place London SW1X 8DF

  Installation of new cast iron water supply pipe on rear courtyard elevation. (Linked with 26/07528/FULL)

  Received 5 Nov, published by the council 6 Nov 2026 Heritage and listed buildings
• 26/07509/LBC Awaiting decision

  Buckingham Palace The Mall London SW1A 1AA

  Replacement of existing security lighting to the Buckingham Palace Forecourt with 80 compact LED spotlights installed within the lantern clusters across 10 principal piers, with associated concealed cabling and reversible fixings. (Linked with 26/07508/FULL)

  Received 4 Nov, published by the council 5 Nov 2026 Heritage and listed buildings
• 26/07473/LBC Awaiting decision

  Flat 3 82 New Cavendish Street London W1G 9TA

  Replacement windows to second floor level with vacuum, double glazing windows. (Linked with 26/07472/FULL)

  Received 3 Nov, published by the council 6 Nov 2026 Heritage and listed buildings
• 26/07471/LBC Awaiting decision

  12 Queen Anne's Gate London SW1H 9AA

  Excavation of single-storey basement, internal reconfiguration and installation of modern services. (Linked with 26/07470/FULL)

  Received 3 Nov, published by the council 5 Nov 2026 Heritage and listed buildings
• 26/07461/LBC Awaiting decision

  1 Savile Row London W1S 3JR

  Minor internal works comprising redecoration and upgrades to lighting, flooring and bathroom and kitchen facilities, together with external works including new lighting and signage.

  Received 3 Nov, published by the council 5 Nov 2026 Heritage and listed buildings