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Planning application

LB/25/05976

18 Halsey Street, London, SW3 2QH

Granted Kensington and Chelsea Listed Building Consent

Proposal

Erection of glazed enclosure on ground floor terrace. Installation of bore hole to feed ground source heat pump; air conditioning system; black cast iron stairs from ground floor to terrace; and new fenestration.

As published by the council, reference LB/25/05976

Timeline

Dates from the published record

  1. 6 Oct 2025

    Received by Kensington and Chelsea

  2. 27 Mar 2026

    Decision issued: Grant Planning Permission/Consent

  3. 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 heritage and listed buildings applications

How this application type works

Heritage applications concern listed buildings and conservation areas. Listed building consent is needed for works, inside or out, that affect the special interest of a listed building, and carrying out such works without consent is a criminal offence. The council weighs harm to the heritage asset against any public benefit of the proposal.

More on heritage and listed buildings applications in our guide

Nearby applications

Within 500 metres

  • ARB/26/03970 Granted

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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.

    16 Oct 2024 0m away Heritage and listed buildings
  • 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.

    10 Jun 2021 0m away Heritage and listed buildings
  • 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)

    4 Jul 2022 0m away Conditions
  • PP/25/05975 Granted

    18 Halsey Street, London, SW3 2QH

    Erection of glazed enclosure on ground floor terrace. Installation of bore hole to feed ground source heat pump; air conditioning system; black cast iron stairs from ground floor to terrace; and new fenestration.

    6 Oct 2025 0m away Full applications
  • LB/26/02790 Granted

    1 Halsey Street, London, SW3 2QH

    Replacement non-original door with sash window at ground floor. Removal of rear railings on rear terrace. Installation of air conditioning unit in rear reception room in joinery. Remove dropped ceiling in rear reception room and restore original proportions of room. Dividing wall to be relocated to reinstate original proportions of room. Replace fireplace surround with surround in-keeping with period. Additional bathroom in closet wing at second floor. Remove external cement pointing and replace with lime mortar, all masonry paint removed from brickwork and stucco render, and rear render removed. Brick work to be cleaned. Period features to be reinstated where non existing, such as doors, skirting, architraves, cornicing. Gable wall to be internally insulated throughout, insulation fixed to wall. Works to doors on circulation spaces. Alterations to previously approved planning and listed building consent. Retrospective Approval sought for works to rebuild garden walls.

    25 May 2026 0m away Heritage and listed buildings

In Kensington and Chelsea

  • LB/26/02796 Granted

    Flat 8, 89 Onslow Square, London, SW7 3LT

    Strip out entire property for a full refurbishment to include blocking up one entrance into the sitting room, supply and fit new kitchen and appliances, plumb in 2x new bathrooms, supply and fit new radiators where necessary, re-decorate entire property; supply and lay wooden floor in hallway with acoustic insulation.

    26 May 2026 Heritage and listed buildings
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    10 Palace Gate, London, W8 5NF

    Replacement of exsiting defective internal rainwater downpipe.(Retrospective Application)

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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.

    20 Apr 2026 Heritage and listed buildings
  • LB/25/05122 Granted

    Flat 58, Lincoln House, Basil Street, London, SW3 1AW

    Replacement of windows to match existing at 5th floor rear elevation

    19 Aug 2025 Heritage and listed buildings
  • LB/26/02461 Granted

    11 Whitehead's Grove, London, SW3 3HB

    Internal and external works including: full redecoration; replacement kitchen units and rearrangement; new lighting and full electrical rewiring with new consumer unit; replacement radiators and heated towel rails; new sanitaryware in first floor and second floor bathrooms including new vanity unit with Carrara marble top; bespoke joinery including bookshelves, wardrobes and jib doors to bedrooms and hallway; reduction of doorway to sitting room with new door; new fireplace surround to master bedroom; sanding and refinishing of timber floors; new floor tiles to kitchen and bathrooms; new carpet to stairwell and landings; installation of washer/dryer to second floor landing cupboard. External works including rehanging of kitchen stable door to open outwards; installation of secondary glazing; replacement of second floor dormer window to match original design; repointing of brickwork; repainting/varnishing of front door.

    1 May 2026 Heritage and listed buildings