Planning application
PP/25/05291
3 Lancaster Road, London, W11 1QL
Proposal
Extension of closet wing across all floors to match rearwards projection of neighbouring properties; lowering of lower ground floor level; erection of a single storey rear extension at lower ground floor level; erection of a rear infill at ground floor level; elevational alterations; replacement of windows with double glazed units; reconfiguration of front entrance steps to create independent access to lower ground floor level; replacement of front railings; internal reconfiguration of two flats and provision of two condenser units within an acoustic enclosure at main roof level. (Works are the same as approved under PP/25/04111 save for the provision of 2no. AC units at main roof level).
As published by the council, reference PP/25/05291
Timeline
Dates from the published record
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8 Sep 2025
Received by Kensington and Chelsea
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14 Oct 2025
Decision issued: Grant Planning Permission/Consent
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20 Jul 2026
Added to PlanIndex
What a grant of permission means
The process from here
Permission has been granted, usually subject to conditions listed on the decision notice, some of which must be discharged before work starts. The decision notice on the council portal sets out exactly what was approved.
Work must normally begin within three years of the decision or the permission lapses. Neighbours cannot appeal a grant; challenging one means judicial review of how the decision was made, within tight time limits.
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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CON/25/05652 Granted
Flats A and B, 3 Lancaster Road, London, W11 1QL
Details required by Condition 6 (Trees and landscaping) of planning permission PP/25/04111 (Extension of closet wing across all floors to match depth of neighbouring properties. Lowering of lower ground floor level. Construction of single storey rear extension at lower ground floor level. Construction of rear infill at ground floor level. New metal doors and Juliet balcony at rear ground and first floor level. Replacement of windows throughout with double glazed timber units. Reconfiguration of front entrance steps to allow access to lower ground floor level. Replacement of front railings. Internal reconfiguration of two flats)
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PP/25/05289 Granted
3 Lancaster Road, London, W11 1QL
Extension of closet wing across all floors to match rearwards projection of neighbouring properties; lowering of lower ground floor level; construction of a single storey rear extension at lower ground floor level; construction of a rear infill at ground floor level; installation of metal doors and Juliet balcony at rear ground and first floor level; replacement of windows throughout with double glazed timber units; reconfiguration of front entrance steps to allow access to lower ground floor level; replacement of front railings; internal reconfiguration of two flats; creation of a roof terrace at main roof level with an openable rooflight to facilitate access.
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CON/25/06439 Decided
3 Lancaster Road, London, W11 1QL
Details required by Condition 6 (Trees and landscaping) of planning permission 25/05291 (Extension of closet wing across all floors to match rearwards projection of neighbouring properties; lowering of lower ground floor level; erection of a single storey rear extension at lower ground floor level; erection of a rear infill at ground floor level; elevational alterations; replacement of windows with double glazed units; reconfiguration of front entrance steps to create independent access to lower ground floor level; replacement of front railings; internal reconfiguration of two flats and provision of two condenser units within an acoustic enclosure at main roof level. (Works are the same as approved under PP/25/04111 save for the provision of 2no. AC units at main roof level))
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CON/25/06438 Decided
3 Lancaster Road, London, W11 1QL
Details required by Condition 6 (Trees and landscaping) of planning permission 25/05289 (Extension of closet wing across all floors to match rearwards projection of neighbouring properties; lowering of lower ground floor level; construction of a single storey rear extension at lower ground floor level; construction of a rear infill at ground floor level; installation of metal doors and Juliet balcony at rear ground and first floor level; replacement of windows throughout with double glazed timber units; reconfiguration of front entrance steps to allow access to lower ground floor level; replacement of front railings; internal reconfiguration of two flats; creation of a roof terrace at main roof level with an openable rooflight to facilitate access)
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PP/26/01743 Granted
Basement Flat, 3 Lancaster Road and 3 Lancaster Road, London, W11 1QL
Lowering of lower ground floor level, construction of single storey rear extension at lower ground floor level, construction of rear infill extension at ground floor level with terrace above, with elevational alterations. Replacement of windows with double glazed units. Reconfiguration of front entrance steps to provide access to lower ground floor level. Replacement of front railings, and front terrace railings with metal balustrade. Internal reconfiguration of the two flats. Creation of a roof terrace with the provision of two condensers within an acoustic enclosure at main roof level.
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NMA/26/00950 Decided
12 St Luke's Road, London, W11 1DP
Non material amendment to planning permission PP/25/04807 (Demolition and replacement of existing rear single storey extension) for removal of rear parapet on extension. Change material of extension roof to metal standing seam roof
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.