Underground Car Park Cavendish Square London W1G 0PG

This site has had 3 applications since 2026: 1 approved, 0 refused.

• 26/05469/NMA Decided

  Underground Car Park Cavendish Square London W1G 0PG

  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.

  Submitted 12 Aug 2026 Amendments
• 26/02623/NMA Granted

  Underground Car Park Cavendish Square London W1G 0PG

  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, design refinements to Level 04, the South East Pavilion (lifting pavilion), the South West Lift and the North Pavilions.

  Decided 1 May 2026 Amendments

1. 21 Aug 2026

   Received by Westminster

2. 28 Aug 2026

   Added to PlanIndex

3. Decision

   Awaiting decision

   Decision expected by 16 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.

This application is with Westminster for determination, against a statutory target of eight weeks. Over the last year Westminster's median decision took 86 days. More in our guide to how long planning decisions take.

The published feed does not state which type of application this is; the register entry on Westminster's portal will say. Our guide explains the common types.

• 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

• 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

  26/05556/LBC Submitted 14 Aug 2026 50 yards away

  90% historically approved · decision due ~9 Oct

  Internal fit out of office space on the fourth and fifth floor level.

  Decided Heritage and listed buildings

• 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

• 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

• 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