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Planning application

16 - 18 Connaught Place London W2 2ES

Awaiting decision Westminster 26/06171/FULL Full applications

Works: Extension Windows or glazing

Relates to 26/06172/LBC

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

Proposal

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)

As published by the council, reference 26/06171/FULL

Application record

Reference
26/06171/FULL
Category
Full applications
Status
Pending
Received
9 Sep 2026
Validated
9 Sep 2026
Postcode
W2 2ES

Site history

Applications at this address on the Westminster register

This site has had 2 applications since 2026.

  • 26/06172/LBC 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 26/06171/FULL)

    Submitted 9 Sep 2026 Heritage and listed buildings

Timeline

Dates from the published record

  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 66 days over the applications it decided in the last year.

Cases linked to this one on the register

  • 26/06172/LBC 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 26/06171/FULL)

    Submitted 9 Sep 2026 Heritage and listed buildings

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 full applications in a median of 91 days. More in our guide to how long planning decisions take.

About full applications

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.

Nearby applications

Within 0.3 miles

  • 16 - 18 Connaught Place London W2 2ES

    26/06172/LBC Submitted 9 Sep 2026 50 yards away

    90% 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 26/06171/FULL)

    Awaiting decision Heritage and listed buildings 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

In Westminster

  • 26/06295/FULL Awaiting decision

    15 Warwick Way London SW1V 1QT

    Installation of a new shopfront with Medication Dispensing Outlet.

    Received 15 Sep, published by the council 17 Sep 2026 Full applications
  • 26/06297/FULL Awaiting decision

    15 Warwick Way London SW1V 1QT

    Alterations to rear elevation at basement level comprising replacement window and installation of double opening door.

    Received 15 Sep, published by the council 17 Sep 2026 Full applications
  • 26/06294/FULL Awaiting decision

    15 Eaton Mews South London SW1W 9HP

    Installation of railings and sliding lantern light at main roof level in connection with the use of the roof as a terrace.

    Received 15 Sep, published by the council 22 Sep 2026 Full applications
  • 26/06317/FULL Awaiting decision

    124 Hamilton Terrace London NW8 9UT

    Replacement of existing first-floor sash windows to the front and rear elevations with traditionally detailed painted timber, slim-profile double-glazed sash windows. (Linked to 26/06318/LBC)

    Received 15 Sep, published by the council 22 Sep 2026 Full applications
  • 26/06273/FULL Awaiting decision

    9A Grosvenor Square London W1K 5AE

    Installation of natural Portland Stone paving to two front entrances. (Linked to 26/05473/LBC)

    Received 14 Sep, published by the council 22 Sep 2026 Full applications