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Planning application

3 Sloane Gardens, London, SW1W 8EA

Granted Kensington and Chelsea PP/26/02421 Planning Permission

Works: Extension Loft or dormer Windows or glazing

Permission granted. Work must normally begin within three years of the decision or the permission lapses.

Proposal

Extension of the existing building including a fifth-floor mansard roof extension and rear roof extension to provide 5 additional hotel bedrooms, with alterations to fenestration, installation of associated plant at roof level and associated external works.

As published by the council, reference PP/26/02421

Application record

Reference
PP/26/02421
Type
Planning Permission
Status
Decided
Decision
Grant Planning Permission/Consent
Received
27 Apr 2026
Decided
22 Jun 2026
Ward
Royal Hospital
Parish
16
Postcode
SW1W 8EA

Timeline

Dates from the published record

  1. 27 Apr 2026

    Received by Kensington and Chelsea

  2. 22 Jun 2026

    Decision issued: Grant Planning Permission/Consent

  3. 20 Jul 2026

    Added to PlanIndex

Documents

Plans, drawings, consultee responses and the officer's report

45 documents on file for this application

A planning file usually holds the application form, drawings and site plans, consultee responses, the officer's report and the decision notice.

Trade members open them from here.

Open the documents

What this grant of permission means

Kensington and Chelsea granted permission on 22 June 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.

About full applications

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.

Nearby applications

Within 500 metres

  • 11 Sloane Gardens, London SW1W 8EA

    PP/25/05984 Submitted 15 Oct 2025 0m away

    Replacement of all windows at front and rear elevations with timber double glazed units; upgrades to the facades; installation of new lift overrun at roof level and reactivation of original courtyard to the rear lower ground floor; as well as associated internal works to reconfigure the existing temporary sleeping accommodation

    Granted Full applications Windows or glazing 41 docs
  • 2 Sloane Gardens, London, SW1W 8DL

    LB/25/05745 Submitted 22 Sep 2025 49m away

    Alterations to shopfront including lowering of windows, reinstatement of original entrance doors and fanlight and associated works; internal alterations, including restoration of historic features, removal of non-original partitions, revised ceiling arrangement; and reconfiguration of basement for back-of-house use with retention of historic masonry wall

    Granted Heritage and listed buildings Windows or glazing 99 docs
  • 2 Sloane Gardens, London, SW1W 8DL

    PP/25/05744 Submitted 22 Sep 2025 49m away

    Alterations to shopfront including lowering of windows, reinstatement of original entrance doors and fanlight and associated works; internal alterations, including restoration of historic features, removal of non-original partitions, revised ceiling arrangement; and reconfiguration of basement for back-of-house use with retention of historic masonry wall

    Granted Full applications Windows or glazing 112 docs
  • 2 Sloane Gardens, London, SW1W 8DL

    CON/23/07901 Submitted 29 Nov 2023 51m away

    Details required by condition 4 (Submission of details) of listed building consent (Removal of ATM, existing signage and reinstate materials where required, removal of non-original internal signage, fixtures, fittings, furniture and equipment relating to the operation of this retail bank)

    Withdrawn Conditions 4 docs
  • 2 Sloane Gardens, London, SW1W 8DL

    CON/26/03047 Submitted 9 Jun 2026 51m away

    Details required by condition 3 (Submission of details - (a) details of the waterproofing to the vaults) of listed building consent 25/05745 (Alterations to shopfront including lowering of windows, reinstatement of original entrance doors and fanlight and associated works; internal alterations, including restoration of historic features, removal of non-original partitions, revised ceiling arrangement; and reconfiguration of basement for back-of-house use with retention of historic masonry wall.).

    Withdrawn Conditions Windows or glazing 13 docs
  • Sloane Square House, 1 Holbein Place, London, SW1W 8NS

    NMA/25/05416 Submitted 3 Sep 2025 61m 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

In Kensington and Chelsea

  • 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