3 Cavendish Square London W1G 0LB

This site has had 3 applications since 2025: 1 approved, 0 refused.

• 26/05885/AD7 Decided

  3 Cavendish Square London W1G 0LB

  Renewal for a temporary period of six months for the display of a non-illuminated 'to let' board attached to the railings in front of the building at street level measuring 0.6m x 0.45m.

  Submitted 27 Aug 2026
• 25/08061/LBC Granted

  3 Cavendish Square London W1G 0LB

  Internal refurbishmnet to modern offices at 4th and 5th floors.

  Decided 13 Feb 2026 Heritage and listed buildings

1. 14 Aug 2026

   Received by Westminster

2. 22 Aug 2026

   Added to PlanIndex

3. 7 Oct 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.

• 3 Cavendish Square London W1G 0LB

  26/05885/AD7 Submitted 27 Aug 2026 50 yards away

  89% historically approved · decision due ~22 Oct

  Renewal for a temporary period of six months for the display of a non-illuminated 'to let' board attached to the railings in front of the building at street level measuring 0.6m x 0.45m.

  Decided 4 docs

• Third Floor 3 Cavendish Square London W1G 0LB

  25/05783/LBC Submitted 15 Aug 2025 50 yards away

  Fit out works to the third floor

  Granted Heritage and listed buildings 22 docs

• 3 Cavendish Square London W1G 0LB

  25/08061/LBC Submitted 5 Nov 2025 50 yards away

  Internal refurbishmnet to modern offices at 4th and 5th floors.

  Granted Heritage and listed buildings 14 docs

• Underground Car Park Cavendish Square London W1G 0PG

  26/05731/ADFULL Submitted 21 Aug 2026 50 yards away

  89% historically approved · decision due ~16 Oct

  Details of Site Environmental Management Plan pursuant to condition 3 of planning permission dated 24 May 2022 (RN: 19/08460/FULL).

  Awaiting decision

• Underground Car Park Cavendish Square London W1G 0PG

  26/05469/NMA Submitted 12 Aug 2026 50 yards away

  93% historically approved · decision due ~13 Oct

  Amendments to planning permission dated 24th May 2022 (RN:19/08460/FULL) for Demolition and erection of above ground structures in conjunction with the use of an underground car park (Sui Generis) as a flexible mixed use commercial development comprising uses within the following use classes A1-A5, B1,B2, B8, C1, C2, D1, and D2 along with the excavation of a 4th basement level, new entrances and associated landscaping and highways works to provide up to 25,953 sqm (GIA) of floorspace. Namely, a series of updated drawings relating to the southern entrance, gardeners pavilion, northeast pavilion, and the extent of pavement lights and grilles.

  Decided Amendments Demolition

• 2 Cavendish Square London W1G 0PA

  26/00992/AD7 Submitted 17 Feb 2026 50 yards away

  Display for a temporary period of six months of a non-illuminated estate agent board attached to the railings in front of the building at street level and measuring 0.6 x 0.45m.

  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