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
• PP/21/00887 Withdrawn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 GPS Modules, all at roof level.***WITHDRAWN***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. 3 Sep 2025

   Received by Kensington and Chelsea

2. 1 Oct 2025

   Decision issued: Accept Non-Material Amendment(s)

3. 20 Jul 2026

   Added to PlanIndex

Kensington and Chelsea 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.

An amendment application makes limited changes to a permission that already exists; anything beyond modest adjustment needs a fresh application. More in our guide to planning application types.

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

  PP/21/00887 Submitted 12 Feb 2021 2m 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 GPS Modules, all at roof level.***WITHDRAWN***

  Withdrawn Full applications 21 docs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

  CL/25/06393 Submitted 24 Oct 2025 2m 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

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

  CA/25/05544 Submitted 17 Sep 2025 25m 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 25m 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 28m 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 28m 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

• NMA/26/04056 Awaiting decision

  10 Kensington Palace Gardens, London, W8 4QP

  Non-material amendment to planning permission PP/24/07201 to allow the reintroduction of an internal swimming pool to the lower ground/ undercroft of the main house, including associated works to internal servicing arrangements and spatial arrangement (including the omission of modern piers put forward under the Second Section 73 Application)

  24 Jul 2026 Amendments
• NMA/26/04001 Awaiting decision

  Land adjoining 2 Horbury Crescent, London, W11 3NF

  Non-material amendment to planning permission PP/23/08263 (Construction of a two-bedroom residential dwelling across ground and basement levels.) relocation of stairs and internal partitions. Changes to rooflights and terrace areas.

  23 Jul 2026 Amendments
• NMA/26/03986 Awaiting decision

  30 Brompton Square, London, SW3 2AE

  Non material amendment to planning permission 26/00660 (Variation of condition 2 (compliance with approved drawings) of planning permission 13/05535 (Redevelopment of lower ground floor in garden, excavation of two basement levels, replacement of glass pavilion, re-landscaping of rear garden and associated alterations) to allow for internal and external alterations to the approved scheme including reconfigured layouts, depths, and floor areas at basement levels 1,2, and 3, alterations to lightwells and introduction of a new lightwell; removal of the secondary staircase in the garden pavilion and the bridge over the rear lightwell and introduction of new york stone stairs at ground floor level; and changes to the lightwell and removal of the bridge at first floor level.) to remove the word 'glass' from the description above; i.e. (Variation of condition 2 (compliance with approved drawings) of planning permission 13/05535 (Redevelopment of lower ground floor in garden, excavation of two basement levels, replacement of pavilion, re-landscaping of rear garden and associated alterations) to allow for internal and external alterations to the approved scheme including reconfigured layouts, depths, and floor areas at basement levels 1,2, and 3, alterations to lightwells and introduction of a new lightwell; removal of the secondary staircase in the garden pavilion and the bridge over the rear lightwell and introduction of new york stone stairs at ground floor level; and changes to the lightwell and removal of the bridge at first floor level.)

  22 Jul 2026 Amendments
• NMA/26/02562 Decided

  Treadgold House, 25 Bomore Road, London, W11 4HD

  Non-material amendment to planning permission PP/23/02367 dated 22 November 2022 (Alterations to existing facades including: installation of new external insulation system, replacement of all existing windows, works to balconies including addition of louvred shading, installation of new ground floor communal external doors and canopy; Alterations at roof level including:removal and replacement of roof system and guarding, construction of new parapet upstand, installation of photovoltaic panels; Replacement of all rainwater goods (amended description).) to allow the addition of a 2100 mm Width x 800 mm Deep x 1600 mm Height GRP white enclosure located to the South Elevation at Ground Floor Level; addition of No3 satellite grey dishes 775mm x 775mm with non-penetrating roof mount 1200mm x 1200mm located on the roof; revised ASHP pipework arrangement; and addition of No3 maintenance access step units (galvanised non-combustible stairs.

  8 May 2026 Amendments
• NMA/26/02178 Withdrawn

  17-19 Cottesmore Gardens, London, W8 5PR

  Non-material amendment to planning permission PP/24/01317 to allow design updates, including revisions to the demolition drawings, removal of planters from non-accessible terraces and modifications to skylights and dry riser inlets

  13 Apr 2026 Amendments