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

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

• 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
• PP/21/00887 Withdrawn

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

  Installation of 12no. antennas (to be mounted on yoke bracket on new steelwork), 6no. radio cabinets, 3no. 300mm transmission dishes, and the addition of ancillary equipment thereto, including but not limited to, 15no. RRH's, 15no. ERS units, and 2no. GPS Modules, all at roof level.***WITHDRAWN***

  Decided 30 Jul 2021 Full applications

1. 24 Oct 2025

   Received by Kensington and Chelsea

2. 2 Apr 2026

   Decision issued: Grant Planning Permission/Consent

3. 20 Jul 2026

   Added to PlanIndex

Kensington and Chelsea granted permission on 2 April 2026, subject to any conditions on the decision notice. Work must normally begin within three years or the permission lapses. More in our guide to what happens after a planning decision.

A lawful development certificate is a legal determination that existing or proposed works do not need planning permission; the merits of the scheme are not considered. More in our guide to planning application types.

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

  PP/21/00887 Submitted 12 Feb 2021 0m away

  Installation of 12no. antennas (to be mounted on yoke bracket on new steelwork), 6no. radio cabinets, 3no. 300mm transmission dishes, and the addition of ancillary equipment thereto, including but not limited to, 15no. RRH's, 15no. ERS units, and 2no. GPS Modules, all at roof level.***WITHDRAWN***

  Withdrawn Full applications 21 docs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

• CL/26/01267 Granted

  1 Bray Place, London, SW3 3LL

  Confirmation that the existing structure at no. 27 Coulson Street / 1 Bray Place was built in the early 1970s as a single development over three floors (basement to first floor) after the demolition of a previous infill building in 1971 (Certificate of Lawful Existing Use)

  9 Mar 2026 Lawful development
• CL/26/02700 Granted

  27 Lansdowne Road, London, W11 3AG

  Provision of lead flashing to parapet/cornice lines and painting of windows and existing painted areas of the building in soft white (Certificate of Proposed Use/Development).

  19 May 2026 Lawful development
• CL/26/02515 Granted

  Flats A and C, 61 Holland Park, London, W11 3SJ

  Reconfiguration of the accommodation at Flat A and Flat C to create one four-bed dwelling and one one-bed dwelling (Certificate of Lawful Proposed Development / Use)

  6 May 2026 Lawful development
• CL/26/03998 Awaiting decision

  87 Addison Road, London, W14 8ED

  Confirmation that the existing A/C Units & Screening to the north and south sides on the flat roofs at ground and first floor levels are lawful (Certificate of Lawful Existing Use/Development)

  23 Jul 2026 Lawful development
• CL/26/04000 Awaiting decision

  191 Freston Road, London, W10 6TH

  Confirmation that the use of the property as Class F1(a) (Education) is lawful (Certificate of Lawful Existing Use/Development)

  23 Jul 2026 Lawful development