11 - 17 Seymour Street London W1H 7JW

This site has had 2 applications since 2026.

• 26/03936/LBC Awaiting decision

  11 - 17 Seymour Street London W1H 7JW

  External refurbishment of the Leonard Hotel comprising replacement of existing entrance steps with limestone, alterations to the front entrance doors through the introduction of glazing and panes, erection of a small canopy above the restaurant entrance, and replacement of the existing canopy in burgundy. (Linked to 26/03935/FULL)

  Submitted 15 Jun 2026 Heritage and listed buildings

1. 15 Jun 2026

   Received by Westminster

2. 18 Aug 2026

   Validated

   Checked as complete and ready for consideration.

3. 22 Aug 2026

   Added to PlanIndex

4. Decision

   Awaiting decision

   Decision expected by 13 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 86 days over the applications it decided in the last year.

• 26/03936/LBC Awaiting decision

  11 - 17 Seymour Street London W1H 7JW

  External refurbishment of the Leonard Hotel comprising replacement of existing entrance steps with limestone, alterations to the front entrance doors through the introduction of glazing and panes, erection of a small canopy above the restaurant entrance, and replacement of the existing canopy in burgundy. (Linked to 26/03935/FULL)

  Submitted 15 Jun 2026 Heritage and listed buildings

1 later application on the register refers to this one:

• 26/03936/LBC Awaiting decision

  11 - 17 Seymour Street London W1H 7JW

  External refurbishment of the Leonard Hotel comprising replacement of existing entrance steps with limestone, alterations to the front entrance doors through the introduction of glazing and panes, erection of a small canopy above the restaurant entrance, and replacement of the existing canopy in burgundy. (Linked to 26/03935/FULL)

  Submitted 15 Jun 2026 Heritage and listed buildings

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.

• 11 - 17 Seymour Street London W1H 7JW

  26/03936/LBC Submitted 15 Jun 2026 50 yards away

  90% historically approved · decision due ~13 Oct

  External refurbishment of the Leonard Hotel comprising replacement of existing entrance steps with limestone, alterations to the front entrance doors through the introduction of glazing and panes, erection of a small canopy above the restaurant entrance, and replacement of the existing canopy in burgundy. (Linked to 26/03935/FULL)

  Awaiting decision Heritage and listed buildings Windows or glazing

• 1 Seymour Street London W1H 7JW

  26/05709/ADV Submitted 20 Aug 2026 50 yards away

  82% historically approved · decision due ~30 Oct

  Display of a non illuminated advertisements measuring 2.315m x 1.712m and 12.59m x 0.32m and an internally illuminated advertisement screen meausring 1.24m x 3.27m at ground floor level.

  Decided Advertising

• 16 Bryanston Street London W1H 7EF

  25/05733/FULL Submitted 14 Aug 2025 50 yards away

  Flexible use of part lower ground, ground and first floors as retail, gymnasium, office, medical (Class E); gallery, education, conference (Class F1); Members Club, showroom, or events space (Sui Generis) use. (1-9 Seymour Street).

  Granted Full applications 15 docs

• 4 Bryanston Street London W1H 7BY

  25/07844/LBC Submitted 29 Oct 2025 50 yards away

  Installation of a replacement extract duct on the rear elevation of a building fronting Portman Street to terminate at roof level. (Linked to 25/07843/FULL)

  Granted Heritage and listed buildings 27 docs

• 4 Bryanston Street London W1H 7BY

  25/07843/FULL Submitted 29 Oct 2025 50 yards away

  Installation of a replacement extract duct on the rear elevation of a building fronting Portman Street to terminate at roof level. (Linked to 25/07844/LBC)

  Granted Full applications 33 docs

• 4 Bryanston Street London W1H 7BY

  03/03806/LBC Submitted 13 May 2003 50 yards away

  Part removal and repair of two ceilings damaged by water to the Bryanston Room at first floor level and the Bistro restaurant at ground floor level of the Mostyn Hotel.

  Granted Heritage and listed buildings 6 docs

• 26/05984/FULL Decided

  41 Sutherland Street London SW1V 4JX

  Replacement of front, side and rear windows with double glazed timber framed sash windows and replacement of a door with a double glazed timber framed door.

  Received 2 Sep, published by the council 11 Sep 2026 Full applications
• 26/06134/FULL Decided

  Flat 10H Hyde Park Mansions Cabbell Street London NW1 5BG

  Replacement of front and rear second floor level windows with slim-profile double-glazed panels, retaining the existing window and door frames.

  Received 8 Sep, published by the council 15 Sep 2026 Full applications
• 26/07258/FULL Awaiting decision

  16A Croxley Road London W9 3HL

  Installation of air to air heat pumps to offices and bedrooms.

  Received 22 Oct, published by the council 23 Oct 2026 Full applications
• 26/07193/FULL Awaiting decision

  98 Victoria Street London SW1E 5JL

  Shopfront alterations. (Linked with 26/07194/ADV)

  Received 21 Oct, published by the council 22 Oct 2026 Full applications
• 26/07187/FULL Awaiting decision

  Ground Floor Flat 151 Portnall Road London W9 3BN

  Erection of a single storey rear extension.

  Received 21 Oct, published by the council 22 Oct 2026 Full applications