Sloane Square House, 1 Holbein Place, London, SW1W 8NS

This site has had 3 applications since 2021: 1 approved, 0 refused.

• CL/25/06393 Granted

  Sloane Square House, 1 Holbein Place, London, SW1W 8NS

  Confirmation that works comprising a material operation (demolition and works of construction in the course of the erection of a building) within Section 56(4) of the Town and Country Planning Act 1990 (as amended) have been undertaken, thereby lawfully implementing Full Planning Permission PP/22/05497 (Certificate of Lawful Existing Use or Development).

  Decided 2 Apr 2026 Lawful development
• NMA/25/05416 Decided

  Sloane Square House, 1 Holbein Place, London, SW1W 8NS

  Non-material amendment to planning permission 22/05497 (Erection of two storey rear extension at 1st and 2nd floor level and associated amenity terrace, replacement of existing windows at 1st and 2nd floor level, erection of a new plant enclosure at 7th floor level, and insertion of PV panels to the roof.) to allow the amendment of conditions 3, 4, 5 and 6 and informative 2 so as to permit implementation of the Permission prior to commencement of physical construction of first and second floor rear extension.

  Decided 1 Oct 2025 Amendments

1. 12 Feb 2021

   Received by Kensington and Chelsea

2. 16 Jun 2021

   Validated

   Checked as complete and ready for consideration.

3. 30 Jul 2021

   Decision issued: Withdrawn by Applicant

4. 3 Aug 2026

   Added to PlanIndex

The applicant withdrew this application before Kensington and Chelsea decided it, and is free to submit a revised scheme at any time. More in our guide to what happens after a planning decision.

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.

• Sloane Square House, 1 Holbein Place, London, SW1W 8NS

  CL/25/06393 Submitted 24 Oct 2025 0m away

  Confirmation that works comprising a material operation (demolition and works of construction in the course of the erection of a building) within Section 56(4) of the Town and Country Planning Act 1990 (as amended) have been undertaken, thereby lawfully implementing Full Planning Permission PP/22/05497 (Certificate of Lawful Existing Use or Development).

  Granted Lawful development Demolition 16 docs

• Sloane Square House, 1 Holbein Place, London, SW1W 8NS

  NMA/25/05416 Submitted 3 Sep 2025 2m away

  Non-material amendment to planning permission 22/05497 (Erection of two storey rear extension at 1st and 2nd floor level and associated amenity terrace, replacement of existing windows at 1st and 2nd floor level, erection of a new plant enclosure at 7th floor level, and insertion of PV panels to the roof.) to allow the amendment of conditions 3, 4, 5 and 6 and informative 2 so as to permit implementation of the Permission prior to commencement of physical construction of first and second floor rear extension.

  Decided Amendments Extension Windows or glazing 8 docs

• Haines of Sloane Square Heatherwick Kiosk, Sloane Square, London, SW1W 8AL

  CA/25/05544 Submitted 17 Sep 2025 24m away

  Relocation of kiosk on the pavement outside the Willett Building, Sloane Square in association with public realm improvements; featuring 1no. non-illuminated advertisement board measuring 1.2m x 1.4m; 1no. non-illuminated advertisement sign measuring 1.2m x 0.37m; and 1no. non-illuminated wrap

  Granted Advertising 10 docs

• Haines of Sloane Square Heatherwick Kiosk, Sloane Square, London, SW1W 8AL

  PP/25/05543 Submitted 17 Sep 2025 24m away

  Relocation of kiosk on the pavement outside the Willett Building, Sloane Square in association with public realm improvements

  Granted Full applications 17 docs

• Pavement outside, Royal Court Theatre, Sloane Square, London, SW1W 8AS

  PP/26/01780 Submitted 12 Mar 2026 29m away

  Change of use of K6 telephone boxes outside the Royal Court Theatre, from Sui Generis to flexible Use Class E and flexible Use Class F

  Granted Full applications 12 docs

• K6 Telephone Kiosks, Pavement outside Royal Court Theatre, Sloane Square, London, SW1W 8AS

  CON/26/00282 Submitted 4 Dec 2025 29m away

  Details required by condition 4 (Moving of telephone boxes - protection of fabric) of listed building consent 25/03002 (Repair and relocation of pair of K6 telephone boxes outside Royal Court Theatre)

  Granted Conditions 34 docs

• PP/18/01985 Withdrawn

  Flat 3, 24 Cornwall Gardens, London, SW7 4AW

  Works to second floor flat including erection of rear extension, creation of external roof terrace areas above and to rear of said extension (with perimeter metal railings), together with internal alterations including removal of internal wall between kitchen and living room, and other refurbishment works

  9 Apr 2018 Full applications
• PP/26/03176 Granted

  12 Shawfield Street, London, SW3 4BD

  Replacement windows, new rooflight and replacement lower ground rear rooflights.

  15 Jun 2026 Full applications
• PP/26/03048 Granted

  24 Charles II Place, London, SW3 4NG

  Removal of existing conservatory structure. Construction of a single-storey rear extension at lower ground floor level. Installation of a contemporary three-panel sliding glazed door opening onto rear garden. Internal reconfiguration at lower ground floor level.

  9 Jun 2026 Full applications
• PP/26/03042 Granted

  Flat 7, 7 Egerton Place, London, SW3 2EF

  Installation of air conditioning system including external condenser unit housed within enclosure at roof level. Replacement of roof lantern, rooflight and roof access hatch with flat glazed access hatch and rooflights. Replacement of two rear elevation uPVC windows with timber-framed slimline double-glazed sliding sash windows; and associated external alterations.

  9 Jun 2026 Full applications
• PP/26/02897 Withdrawn

  46 Evelyn Gardens, London, SW7 3BH

  Positioning of two new external heat pump condensers within two separate acoustic enclosures, one on main roof of house and other on rear forth floor roof terrace.

  1 Jun 2026 Full applications