Planning application
PP/26/00847
Basement/ground Floor Flat, 27 and 28 Lansdowne Crescent, London, W11 2NS
Proposal
Internal alterations and de-amalgamation of existing lateral duplex flat at lower ground and ground floors, to create an additional flat.
As published by the council, reference PP/26/00847
Timeline
Dates from the published record
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2 Feb 2026
Received by Kensington and Chelsea
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20 Jul 2026
Added to PlanIndex
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3 Aug 2026
Status changed to Pre-Determination Stage
Previously Validated and Registered.
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Decision
Awaiting decision
The statutory target is eight weeks for most applications and thirteen for major development. Extensions of time are common.
What happens while it is decided
The process from here
This application is with Kensington and Chelsea for determination. The council publicises it, consults neighbours and technical bodies where required, and weighs the responses against local and national planning policy.
The statutory target is eight weeks for most applications and thirteen for major development, though extensions of time are common. Comments carry most weight while the case is undecided, so check the council portal for the deadline if you want to respond.
About full applications applications
How this application type works
A full application seeks permission for a complete, detailed proposal in one go: siting, design, access and landscaping are all fixed at this stage. It is the standard route for new buildings, conversions and changes of use. The statutory target is eight weeks for smaller schemes and thirteen weeks for major development, though complex cases often take longer by agreement.
Nearby applications
Within 500 metres
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PP/26/01571 Granted
Basement Flat, 26 Lansdowne Crescent, London, W11 2NS
Replacement of non-original timber windows and door to front elevation with traditionally detailed timber double glazed units, including the removal of security bars visible from street level. Installation of Crittall-style windows to rear in place of non-original UPVC doors. Infill of masonry wall to match existing, to reduce glazing to rear of property. Replacement of non-original kitchen. Refurbishment of chimney breast and installation of traditional fireplace. Installation of freestanding joinery units throughout, not disturbingwalls or historic fabric. Installation of metal framed lantern rooflight to rear in place of non-original UPVC lantern.
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LB/26/01572 Granted
Basement Flat, 26 Lansdowne Crescent, London, W11 2NS
Replacement of non-original timber windows and door to front elevation with traditionally detailed timber double glazed units, including the removal of security bars visible from street level. Installation of Crittall-style windows to rear in place of non-original UPVC doors. Infill of masonry wall to match existing, to reduce glazing to rear of property. Replacement of non-original kitchen. Refurbishment of chimney breast and installation of traditional fireplace. Installation of freestanding joinery units throughout, not disturbingwalls or historic fabric. Installation of metal framed lantern rooflight to rear in place of non-original UPVC lantern.
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LB/26/00848 Awaiting decision
Basement/ground Floor Flat, 27 and 28 Lansdowne Crescent, London, W11 2NS
Internal alterations and de-amalgamation of existing lateral duplex flat at lower ground and ground floors, to create an additional flat.
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ARB/25/05770 Granted
14 Lansdowne Crescent, London, W11 2NJ
Prune 1 x Silver Birch (Betula pendula) at front and 1x Beech (Fagus sylvatica at rear
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CON/25/05928 Granted
Basement To First Floor, 100 Lansdowne Road, London, W11 2LS
Details required by condition 3 (submission of details) of planning permission 25/04642 (Replacement of existing stairs and planter in front light-well, and installation of enclosed air-conditioning unit beneath stairs in lower ground floor light-well)
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PP/25/05605 Granted
98 Lansdowne Road, London, W11 2LS
Replacement of single-glazed timber sash and external rear timber door with heritage style timber slimline sash double glazed units and double glazed timber door to rear elevation, matching the existing size, style, and profile
Other full applications 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/26/02078 Granted
Ruskin House, 35A Hyde Park Gate, London, SW7 5DN
Installation of 2no. roof mounted ASHPs including acoustic enclosure / screening.
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PP/26/02247 Withdrawn
41 Halsey Street, London, SW3 2PT
Refinements to lower ground floor conservatory and basement extension through removal of low external wall, installation of full height sliding doors, and reinstatement of larger external steps. Replace glazed flat roof at ground floor level with glass-box extension incorporating solid floor structure and internal walk on rooflight. Installation of glazed sliding doors out to a Juliet balcony with metal railings balustrade. Create access from living room by lowering sill of window to form archway; Single-storey extension to closet wing, aligning depth with No.?40 Halsey Street. New timber-framed glazed doors to the rear of extended wing. Widening opening to half-level study within partition to accommodate new double doors. Sunroom will include full-height sliding doors and Juliet balcony with painted or PPC metal balustrades.
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PP/26/02237 Granted
134 Brompton Road, London, SW3 1HY and 5 Cheval place, London, SW7 1EW
Change of use from Use Class E to Restaurant (Use Class E(b)), new recessed front bifolding doors, awning, and signs at front and rear, replace rooflights to double glazed hipped white UPVC/aluminium painted white, replace rear doors to match existing
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PP/26/02978 Granted
59A Palace Gardens Terrace, London, W8 4RU
Variation of Condition 2 (Compliance with approved drawings) of planning permission Ref. PP/24/07747 dated 28th February 2025, to replace proposed front and rear elevation drawings with new proposed drawings representing modest elevational changes of main building at first floor level only.