Planning application
3 Sloane Gardens, London, SW1W 8EA
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
-
27 Apr 2026
Received by Kensington and Chelsea
-
22 Jun 2026
Decision issued: Grant Planning Permission/Consent
-
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 documentsWhat 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
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11 Sloane Gardens, London SW1W 8EA
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
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
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
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
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
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
Other full applications
In Kensington and Chelsea
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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
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PP/26/03176 Granted
12 Shawfield Street, London, SW3 4BD
Replacement windows, new rooflight and replacement lower ground rear rooflights.
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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.
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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.
-
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.