33 St James's Square London SW1Y 4JS

This site has had 3 applications since 2026.

• 26/03012/ADFULL Awaiting decision

  33 St James's Square London SW1Y 4JS

  Details of unilateral undertaking pursuant to condition 7 of planning permission dated 27th October 2020 (RN: 20/03222/FULL) to ensure that demolition on the site will only occur immediately prior to development of the new building.

  Submitted 7 May 2026 Full applications
• 26/02814/FULL Awaiting decision

  33 St James's Square London SW1Y 4JS

  Variation of conditions 1, 11, 16, 24 and 25 of planning permission dated 19 October 2020 (RN: 20/03222/FULL) for the partial demolition and reconstruction of enlarged rear extension with additional storey; formation of terraces at ground, fourth, fifth and sixth floor levels; excavation to extend existing basement level; installation of plant machinery; internal alterations including installation of new grand stair; and associated external alterations in connection with increase in office floorspace (Class B1). NAMELY, to make changes to the approved drawings to allow changes to extend the lift overrun, remodelling of the roofscape, introduction of a secondary external staircase, omission of sixth floor east elevation terrace, minor amendments to elevations, plant reconfiguration and internal design changes. This also includes variations to Condition 11 (Roof Terrace), Condition 16 (Operational Management Plan), Condition 24 (Roof Terrace Hours) and Condition 25 (C`harles II Street crossover). [Linked to 26/02705/LBC]

  Submitted 28 Apr 2026 Full applications

1. 23 Apr 2026

   Received by Westminster

2. 29 Apr 2026

   Validated

   Checked as complete and ready for consideration.

3. 21 Jul 2026

   Added to PlanIndex

4. Decision

   Awaiting decision

   Decision expected by 24 June 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 66 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 heritage and listed building applications in a median of 94 days. More in our guide to how long planning decisions take.

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.

• 33 St James's Square London SW1Y 4JS

  26/02814/FULL Submitted 28 Apr 2026 50 yards away

  87% historically approved · decision due ~24 Jun

  Variation of conditions 1, 11, 16, 24 and 25 of planning permission dated 19 October 2020 (RN: 20/03222/FULL) for the partial demolition and reconstruction of enlarged rear extension with additional storey; formation of terraces at ground, fourth, fifth and sixth floor levels; excavation to extend existing basement level; installation of plant machinery; internal alterations including installation of new grand stair; and associated external alterations in connection with increase in office floorspace (Class B1). NAMELY, to make changes to the approved drawings to allow changes to extend the lift overrun, remodelling of the roofscape, introduction of a secondary external staircase, omission of sixth floor east elevation terrace, minor amendments to elevations, plant reconfiguration and internal design changes. This also includes variations to Condition 11 (Roof Terrace), Condition 16 (Operational Management Plan), Condition 24 (Roof Terrace Hours) and Condition 25 (C`harles II Street crossover). [Linked to 26/02705/LBC]

  Awaiting decision Full applications Extension Demolition 63 docs

• 33 St James's Square London SW1Y 4JS

  26/03012/ADFULL Submitted 7 May 2026 50 yards away

  87% historically approved · decision due ~2 Jul

  Details of unilateral undertaking pursuant to condition 7 of planning permission dated 27th October 2020 (RN: 20/03222/FULL) to ensure that demolition on the site will only occur immediately prior to development of the new building.

  Awaiting decision Full applications Demolition 5 docs

• 30A Charles II Street London SW1Y 4AE

  07/03141/FULL Submitted 5 Apr 2007 50 yards away

  Use of ground and lower ground floors as auction house and art gallery (sui generis).

  Granted Full applications 5 docs

• 30 Charles II Street London SW1Y 4AE

  03/07090/AD7 Submitted 11 Sep 2003 50 yards away

  Display for a temporary period of six months of a non-illuminated 'To Let'/'For Sale'* board located on the face of the building at a height between 3m and 4.6m above pavement level and measuring 0.9m x 0.6m.

  Granted Advertising 2 docs

• 30 Charles II Street London SW1Y 4AE

  04/06970/AD7 Submitted 2 Sep 2004 50 yards away

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

  Granted Advertising 2 docs

• 30A Charles II Street London SW1Y 4AE

  07/05756/ADFULL Submitted 2 Jul 2007 50 yards away

  Refuse and recycling storage pursuant to Condition 1 of planning permission dated 04 June 2007 (RN: 07/03141).

  Granted Full applications 2 docs

• 26/04878/LBC Decided

  34 Grosvenor Street London W1K 4QU

  Internal works to facilitate the subdivision of 34 Grosvenor Street and 3 Three Kings Yard

  Received 21 Jul, published by the council 1 Aug 2026 Heritage and listed buildings
• 26/06299/LBC Awaiting decision

  Apartment 33 24 Park Crescent London W1B 1AA

  Alterations to internal partitions, door openings, doors and floor finishes.

  Received 15 Sep, published by the council 22 Sep 2026 Heritage and listed buildings
• 26/06305/LBC Awaiting decision

  33A Dean Street London W1D 4PP

  Installation of new concrete slab with drainage channels at basement level and new fire surround in B.01.

  Received 15 Sep, published by the council 22 Sep 2026 Heritage and listed buildings
• 26/06318/LBC Awaiting decision

  124 Hamilton Terrace London NW8 9UT

  Replacement of existing first-floor sash windows to the front and rear elevations with traditionally detailed painted timber, slim-profile double-glazed sash windows. (Linked to 26/06317/FULL)

  Received 15 Sep, published by the council 22 Sep 2026 Heritage and listed buildings
• 26/04141/LBC Decided

  80E Randolph Avenue London W9 1BG

  Replacement of sashes in two front windows at 2nd floor level and one rear window with slimline double glazed timber sashes. (Linked with 26/04142/FULL)

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