Flat 4 Carrington House Hertford Street London W1J 7RG

1. 7 May 2026

   Received by Westminster

2. 12 May 2026

   Validated

   Checked as complete and ready for consideration.

3. 21 Jul 2026

   Added to PlanIndex

4. Decision

   Awaiting decision

   Decision expected by 7 July 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.

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.

• Carrington House 6 Hertford Street London W1J 7RE

  13/03910/FULL Submitted 29 Apr 2013 50 yards away

  Variation of Conditions 1, 10, 11 and 17 of planning permission dated 13 October 2011 (RN:11/05288) for use of basement, part ground and part first floors to provide three residential units (1x studio, 1x1 bed and 1x2 bed) (Class C3), private members gymnasium (Class D2), office space (Class B1) and floorspace for use ancillary to a private members' club at 5 Hertford Street (sui generis) and associated works including two storey extension at basement and ground floors to the rear of the building; namely to amend the ancillary floorspace to be private premises club to comprise staff facilities, wine cellar, cigar store and new cold food preparation area and amended servicing hours and management plan.

  Granted Full applications Extension 7 docs

• Carrington House Hertford Street London W1J 7RG

  25/06303/P3JPA Submitted 4 Sep 2025 50 yards away

  Notification for Prior Approval for the change of use of Flat 110 on the First Floor of Carrington House from its current office use to a 2 bed residential apartment under the Town and Country Planning (General Permitted Development) (England) Order 2015 (as amended) Schedule 2, Part 3, Class MA.

  Refused Prior approval 17 docs

• Site At 40 - 43 Hertford Street London W1J 7SP

  02/06809/CAC Submitted 27 Aug 2002 50 yards away

  Demolition of rear of 43 Hertford Street.

  Withdrawn Heritage and listed buildings Demolition 2 docs

• Site At 40 - 43 Hertford Street London W1J 7SP

  02/06808/FULL Submitted 27 Aug 2002 50 yards away

  Demolition of rear of 43 Hertford Street and erection of four storey dwellinghouse with access from Shepherd Street. Continued use of ground and first floors of 40 Hertford Street as offices (beyond expiry of previous permission on 24/6/04)

  Withdrawn Full applications Demolition 6 docs
  Domestic

• 7 Hertford Street London W1J 7RH

  25/06067/FULL Submitted 26 Aug 2025 50 yards away

  Erection of sixth floor/loft extension; external alterations including the addition of a dormer; relocation of mechanical plant into a newly enclosed room at rooftop level; and associated works (Class C3).

  Granted Full applications Extension Loft or dormer 18 docs

• 12 - 14 Shepherd Street London W1J 7JF

  26/02670/FULL Submitted 22 Apr 2026 50 yards away

  87% historically approved · decision due ~17 Jun

  Proposed use of part of the adjoining forecourt to form an outside customer seating area with timber decking and enclosure and planters Use of an area of the public highway and part of the adjoining forecourt measuring 1.45m X 1.535m for the placing of 5 chairs, two tables, enclosure and planters in connection with the existing ground floor use.

  Awaiting decision Full applications 10 docs

• 26/06295/FULL Awaiting decision

  15 Warwick Way London SW1V 1QT

  Installation of a new shopfront.

  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 repolacement window and installation of double opening door.

  Received 15 Sep, published by the council 17 Sep 2026 Full applications
• 26/06234/FULL Awaiting decision

  40 Grosvenor Place London SW1X 7HJ

  Use of lower ground floor of Unit 3 and ground floor of Unit 2 as gym (Class E(d)) and/ or office (Class E(g))

  Received 11 Sep, published by the council 18 Sep 2026 Full applications
• 26/06249/FULL 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 26/06250/LBC)

  Received 11 Sep, published by the council 18 Sep 2026 Full applications
• 26/03576/FULL Decided

  15A Devonshire Terrace London W2 3DW

  Erection of an infill extension to basement courtyard to form new bedroom and internal alterations. (Linked with 26/03577/LBC)

  Received 1 Jun, published by the council 11 Sep 2026 Full applications