Planning application
PP/26/02247
41 Halsey Street, London, SW3 2PT
Proposal
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.
As published by the council, reference PP/26/02247
Timeline
Dates from the published record
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20 Apr 2026
Received by Kensington and Chelsea
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20 Jul 2026
Added to PlanIndex
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29 Jul 2026
Decision issued: Withdrawn by Applicant
What withdrawal means
The process from here
The applicant withdrew this application before the council decided it, so it carries no planning weight and no fee refund is automatic. Withdrawal often follows officer feedback that a refusal was likely.
The applicant is free to submit a revised application at any time, and many withdrawn schemes return in amended form, so the site is worth watching if the proposal affected you.
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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LB/26/02248 Withdrawn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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CON/21/03682 Granted
40 Halsey Street, London, SW3 2PT
Details required by condition 2a and 2b (Submission of details) of listed building consent 21/01576(Reinstatement of rear chimneybreasts at ground and first. Retrospective application for removal of chimneybreasts at rear basement and second floor).
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ARB/26/03970 Granted
14 Halsey Street, London, SW3 2QH
Prune 1 x Fig (rear)
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LB/24/06909 Granted
19 Halsey Street, London, SW3 2QH
Variation of Condition 2 (compliance with drawings) of planning permission LB/23/04473 to replace new/replaced single glazed widows, with double glazed units.
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LB/21/03832 Granted
4 Halsey Street, London, SW3 2QH
Variation of condition 4 (detailed drawings or samples of material) of listed building consent 07/00233 to approval of submitted details post-completion.
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CON/22/04166 Granted
4 Halsey Street, London, SW3 2QH
Details required by condition 3 (submission of details) of listed building consent 21/06540 (Reconstruction of lower ground floor side extension and lowering non original floor finish level by approx. 250mm. Insertion of window to rear of closet wing. Replacement glazing to rear elevation. Alterations to rear garden layout . Insertion of doors and window to front lightwell. Delta membrane system and insulation to be installed. Removal of non original panelling throughout and plain plaster walls to be restored at ground floor. Erection of light-weight side-infill rear extension, accessed from landing. Replacement external stairs to rear garden. Reinstatement of fireplace. Refurbishment of front steps at 1st floor. Original door reinstated. Reinstatement of 2nd and 3rd floor fireplaces. Raise stepped-back parapet creating room with sash window above closet wing. Extension set back behind flat green roof, reducing visual impact. Insertion of openable roof light over stairs. Refurbish staircase throughout and replace non-original spiralled spindles and balustrade with square section spindles and new balustrade. New green roof to closet wing. Internal refurbishment)
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PP/18/01985 Withdrawn
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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
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Installation of 2no. roof mounted ASHPs including acoustic enclosure / screening.
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PP/26/02237 Granted
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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.
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PP/26/02080 Granted
20 Ladbroke Grove, London, W11 3BQ
Internal reconfigurations at lower ground floor including rear infill extension; new internal stair and lift; reconfigured secondary front entrance below entrance staircase. Reconfigurations at ground floor level; Re-orientated external entrance staircase level including new internal stair and lift; internal rear infill extension. Internal reconfigurations at first floor level, including new internal stair and lift; 2no. timber frame French doors to rear with Juliet balconies; 1no. roof light down to ground floor living area. Internal reconfigurations at second floor, including new internal stair and lift; 1no. new timber frame French doors to roof terrace. Extension of front and rear mansards with white-painted timber sash windows. Replacement of slate roof covering and replaced flat roof to match existing. Installation of 3no. roof lights on new main roof.