26 Seymour Street London W1H 7JA

1. 17 Aug 2026

   Received by Westminster

2. 22 Aug 2026

   Added to PlanIndex

3. 11 Sep 2026

   Status changed to Decided

   Previously Pending.

Westminster has decided this application; the outcome above is the register's own wording and the decision notice on the council portal carries the detail. More in our guide to what happens after a planning decision.

Listed building consent is needed for works that affect the special interest of a listed building, and carrying out such works without it is a criminal offence. More in our guide to planning application types.

• 20 New Quebec Street London W1H 7SF

  26/06931/ADLBC Submitted 8 Oct 2026 50 yards away

  89% historically approved · decision due ~3 Dec

  Details of the external acoustic enclosures, the external CCTV cameras, including details of any external wiring, works to vaults to allow dry storage, final design details of floor levelling to rear extension, and final layout of ventilation at lower ground floor pursuant to condition 2 of listed building consent dated 17 September 2026 (RN: 26/04623/LBC). (Linked with 26/06881/ADFULL)

  Awaiting decision Extension

• 20 New Quebec Street London W1H 7SF

  26/06881/ADFULL Submitted 8 Oct 2026 50 yards away

  89% historically approved · decision due ~3 Dec

  Details of noise report, the external acoustic enclosures, the external CCTV cameras, including details of any external wiring pursuant to condition 3 and 7 of planning permission dated 17 September 2026 (RN: 26/04622/FULL). (Linked with 26/06931/ADLBC)

  Awaiting decision

• Basement And Ground Floor 23 New Quebec Street London W1H 7SD

  26/05972/FULL Submitted 1 Sep 2026 50 yards away

  88% historically approved · decision due ~5 Nov

  Use of basement and ground floor unit as flexible retail use (Class E (a)) or food and beverage use (Class E (b)).

  Awaiting decision Full applications

• 34 Seymour Street London W1H 7JE

  20/04235/AD7 Submitted 7 Jul 2020 50 yards away

  Display for a temporary period of six months of a non-illuminated 'to let' board located on the railings at street level and measuring 0.9m x 0.6m.

  Granted Advertising 7 docs

• 34 Seymour Street London W1H 7JE

  20/00212/AD7 Submitted 14 Jan 2020 50 yards away

  Display for a temporary period of six months of a non-illuminated 'to let' board located on the railings at street level and measuring 0.9m x 0.6m.

  Granted Advertising 6 docs

• 34 Seymour Street London W1H 7JE

  19/05347/AD7 Submitted 9 Jul 2019 50 yards away

  Display for a temporary period of six months of a non-illuminated 'to let' board located on the railings at street level and measuring 0.9m x 0.6m.

  Granted Advertising 8 docs

• 26/07202/LBC Awaiting decision

  Basement East And Ground Floor And First Floor 33 Weymouth Street London W1G 7BY

  Replacement of 13 doorsets with fire doors.

  Received 21 Oct, published by the council 23 Oct 2026 Heritage and listed buildings
• 26/07183/LBC Awaiting decision

  306 - 308 Regent Street London W1B 3AT

  Installation of a manually operated retractable fabric awning to the existing shopfront at 308 Regent Street, comprising an orange fabric canopy with discreet printed lettering to the front valance, together with associated supporting framework, mounting brackets and fixings to the existing fa?ade.

  Received 21 Oct, published by the council 22 Oct 2026 Heritage and listed buildings
• 26/07191/LBC Awaiting decision

  6 Wilton Place London SW1X 8RH

  Layout alterations and replacement of internal doors.

  Received 21 Oct, published by the council 22 Oct 2026 Heritage and listed buildings
• 26/07199/LBC Awaiting decision

  49 Queen's Gardens London W2 3AA

  Erection of a mansard roof extension incorporating rooflights and a rear balcony; installation of Juliet balconies at ground and first floor levels to the rear; demolition of the existing courtyard extension and erection of a single-storey infill extension; extension of the rear wing at first floor (mezzanine) and second floor levels; fenestration alterations including the installation of new windows; stucco repairs and partial rebuilding of the rear extensions; and associated internal alterations at all levels. (Linked to 26/07198/FULL)

  Received 21 Oct, published by the council 23 Oct 2026 Heritage and listed buildings
• 26/07192/LBC Awaiting decision

  119 Warwick Way London SW1V 4HS

  Conversion and internal alterations to the ground floor flat (Retrospective)

  Received 21 Oct, published by the council 23 Oct 2026 Heritage and listed buildings