31 Cork Street London W1S 3NQ

1. 23 Jun 2026

   Received by Westminster

2. 29 Jun 2026

   Validated

   Checked as complete and ready for consideration.

3. 21 Jul 2026

   Added to PlanIndex

4. Decision

   Awaiting decision

   Decision expected by 24 August 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.

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.

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.

• 17 Clifford Street London W1S 3RQ

  12/05646/LBC Submitted 22 May 2012 50 yards away

  Installation of two air conditioning units attached to the party wall with 16 Clifford Street and one air conditioning unit within the lightwell at first floor level including associated screening and associated internal alterations.

  Granted Heritage and listed buildings 1 doc

• Ground Floor 18 Clifford Street London W1S 3RF

  12/10764/ADFULL Submitted 24 Oct 2012 50 yards away

  Submission of photographs of first floor library sash window where a door is proposed, including the sash box, in the adjacent window opening pursuant to Condition 3 of planning permission dated 16 August 2011 (RN: 11/04825)

  Granted Full applications Windows or glazing 10 docs

• Ground Floor 18 Clifford Street London W1S 3RF

  12/10763/ADLBC Submitted 24 Oct 2012 50 yards away

  Submission of photographs showing the reuse the existing original first floor library sash window pursuant to Conditions 2 and 3 of listed building consent dated 16 August 2011 (RN: 11/04826).

  Granted Conditions Windows or glazing 1 doc

• Ground Floor 18 Clifford Street London W1S 3RF

  12/03720/ADLBC Submitted 4 Apr 2012 50 yards away

  Approval of details pursuant to Condition 5 of listed building consent dated 6 October 2011(RN:11/07884); namely details of the new panelling for the desk.

  Granted Conditions 9 docs

• Ground Floor South A M F Building 25 - 28 Old Burlington Street London W1S 3AN

  25/08630/ADV Submitted 25 Nov 2025 50 yards away

  Installation of sign measuring 1.2m x 0.23m.

  Granted Advertising 8 docs

• 15B Clifford Street London W1S 4JZ

  26/01996/ADV Submitted 26 Mar 2026 50 yards away

  84% historically approved · decision due ~28 May

  Display of a halo illuminated (letters only) fascia sign measuring 0.35m x 4.1m.

  Awaiting decision Advertising 9 docs

• 26/06331/FULL Awaiting decision

  31G Nottingham Place London W1U 5LP

  Installation of a condenser within acoustic enclosure and metal railing on the rear flat roof at third-floor level.

  Received 16 Sep, published by the council 23 Sep 2026 Full applications
• 26/06328/FULL Awaiting decision

  Athena Court 2 Finchley Road London NW8 6DP

  Installation of a multifunctional communication Hub including defibrillator outside Athena Court. (Linked with 26/06329/ADV)

  Received 16 Sep, published by the council 23 Sep 2026 Full applications
• 26/06325/FULL Awaiting decision

  29 Norfolk Road London NW8 6AU

  Hard and soft landscaping works; amendment to railings style to rear garden structures (outbuilding and pergola); external lighting; boundary treatment; refuse storage; and photovoltaic panels. (Linked with 26/06326/LBC)

  Received 16 Sep, published by the council 23 Sep 2026 Full applications
• 26/06340/FULL Awaiting decision

  141 Harley Street London W1G 6BQ

  Variation of Condition 1 of planning permission dated 22 December 2026 (RN: 16/05372/FULL) for: Demolition of mews buildings at 28 and 29 Devonshire Mews West and lower ground and ground floor link building at the rear of 141 Harley Street and the erection of new building to include a three storey basement to the rear of the site in connection with the use of the 141 Harley Street and the lower ground and ground floor of 143 Harley Street for Class D1 medical purposes; installation of a new passenger lift to the rear of 141 Harley Street and installation of plant. (Site includes excavation part way under the pavement of Devonshire Mews West and use swap with 126 Harley Street) namely, to allow creation of party wall openings at basement, ground and first floors; insertion of a platform lift within No. 143 from basement to first floors; partial infilling of the rear basement area; and other minor adjustments to plan form. (Linked with 26/06290/LBC)

  Received 16 Sep, published by the council 23 Sep 2026 Full applications
• 26/06341/FULL Awaiting decision

  141 Harley Street London W1G 6BQ

  Installation of new sesame lift into existing front entrance steps. (Linked with 26/06342/LBC)

  Received 16 Sep, published by the council 23 Sep 2026 Full applications