1 The Court House 165 Seymour Place London W1H 4PU

1. 3 Aug 2026

   Received by Westminster

2. 26 Aug 2026

   Validated

   Checked as complete and ready for consideration.

3. 28 Aug 2026

   Added to PlanIndex

4. Decision

   Awaiting decision

   Decision expected by 21 October 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.

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 119 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.

• 132 Seymour Place London W1H 1NS

  25/05662/FULL Submitted 12 Aug 2025 50 yards away

  Demolition of existing first floor rear extension and construction of a proposed full width first floor and part width second to third floor rear extension with rear second floor roof terrace, to extend existing flats (ClassC3).

  Granted Full applications New dwelling Extension +1 30 docs

• 17 - 20 Shillibeer Place London W1H 4DL

  06/03976/CAC Submitted 22 May 2006 50 yards away

  Demolition of 17-20 Shilibeer Place and erection of three four-bedroom houses.

  Granted Heritage and listed buildings Demolition 3 docs

• 17 - 20 Shillibeer Place London W1H 4DL

  07/09930/ADCAC Submitted 30 Aug 2007 50 yards away

  Details of archaeological scheme pursuant to Condition 2 of conservation area consent (RN: 06/03976).

  Granted Conditions 2 docs

• 17 - 20 Shillibeer Place London W1H 4DL

  07/07584/ADCAC Submitted 30 Aug 2007 50 yards away

  Details of construction contract and demolition pursuant to Condition 1 of conservation area consent (RN: 06/03976).

  Refused Conditions Demolition 4 docs

• 17 - 20 Shillibeer Place London W1H 4DL

  07/07583/ADFULL Submitted 29 Aug 2007 50 yards away

  Details of disability access into the building pursuant to Condition 4 of planning permission (RN: 06/03184).

  Granted Full applications 7 docs

• 17 - 20 Shillibeer Place London W1H 4DL

  07/09253/ADFULL Submitted 29 Aug 2007 50 yards away

  Details of construction contract and demolition work pursuant to Conditions 14 of planning permission dated 10 October 2006 (RN: 06/03184).

  Refused Full applications Demolition 3 docs

• 26/06234/FULL Decided

  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
• 26/07403/FULL Awaiting decision

  Basement Floor And Ground Floor Queen Annes House 34 Queen Anne's Gate London SW1H 9AB

  Refurbishment and enhancement of the building to facilitate its continued use as offices with ancillary residential accommodation, together with associated conservation, restoration, accessibility improvements, building services upgrades, landscaping and ancillary works. Internal and external alterations associated with the repair. (Linked with 26/07404/LBC)

  Received 30 Oct, published by the council 3 Nov 2026 Full applications
• 26/07415/FULL Awaiting decision

  39 Montagu Square London W1H 2LL

  Amalgamation of Flats 3 and 4 (Use Class C3) to form one single dwelling (Use Class C3) including associated internal reconfiguration and refurbishments, alterations to access arrangements and improvements to the existing terrace and private amenity spaces and other associated works. (Linked with 26/07416/LBC)

  Received 30 Oct, published by the council 3 Nov 2026 Full applications
• 26/06015/FULL Decided

  129 Saltram Crescent London W9 3JT

  Erection of a two-storey rear extension.

  Received 3 Sep, published by the council 11 Sep 2026 Full applications
• 26/07382/FULL Awaiting decision

  90 Gloucester Place London W1U 6HS

  Use of the building as an embassy (sui generis)

  Received 28 Oct, published by the council 2 Nov 2026 Full applications