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Planning application

11 Alexander Square, London, SW3 2AY

Granted Kensington and Chelsea LB/23/06528 Listed Building Consent

Works: Extension Windows or glazing

Permission granted. Work must normally begin within three years of the decision or the permission lapses.

Proposal

Construction of extension with partially glazed roof at rear basement level. Enlargement of lightwell and reconfiguration of stairs from basement and ground floor to garden.

As published by the council, reference LB/23/06528

Application record

Reference
LB/23/06528
Type
Listed Building Consent
Status
Decided
Decision
Grant Planning Permission/Consent
Received
9 Oct 2023
Validated
9 Oct 2023
Decided
5 Dec 2023
Ward
Brompton and Hans Town
Parish
02
Postcode
SW3 2AY

Site history

Applications at this address on the Kensington and Chelsea register

This site has had 2 applications since 2023: 2 approved, 0 refused.

  • PP/23/06527 Granted

    11 Alexander Square, London, SW3 2AY

    Construction of extension with partially glazed roof at rear basement level. Enlargement of lightwell and reconfiguration of stairs from basement and ground floor to garden.

    Decided 5 Dec 2023 Full applications

Timeline

Dates from the published record

  1. 9 Oct 2023

    Received by Kensington and Chelsea

  2. 5 Dec 2023

    Decision issued: Grant Planning Permission/Consent

  3. 10 Aug 2026

    Added to PlanIndex

Who's behind it

Company information only, from the register and Companies House

Applicant on file, an architecture practice registered in London

2 applications on PlanIndex

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Documents

Plans, drawings, consultee responses and the officer's report

28 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.

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What this grant of permission means

Kensington and Chelsea granted permission on 5 December 2023, 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 heritage and listed building applications

Listed building consent is needed for works that affect the special interest of a listed building, and carrying out such works without it is a criminal offence. More in our guide to planning application types.

Nearby applications

Within 500 metres

  • 11 Alexander Square, London, SW3 2AY

    PP/23/06527 Submitted 9 Oct 2023 0m away

    Construction of extension with partially glazed roof at rear basement level. Enlargement of lightwell and reconfiguration of stairs from basement and ground floor to garden.

    Granted Full applications Extension Windows or glazing 31 docs
  • 7 Alexander Square, London, SW3 2AY

    PP/26/00181 Submitted 28 Nov 2025 0m away

    Construction of replacement double-glazed infill extension at lower ground and ground floor levels, and associated works including installation of a new rooflight and a roof lantern; lowering of existing floor levels at lower ground floor; installation of replacement external metal staircase in a new covered stair enclosure; installation of new casement window within existing opening to lower ground floor bathroom. enlargement of rear window at third floor level above the closet wing; installation of two external air condensers on main roof level and associated internal service runs; reconfiguration of the internal plan-form; and internal works including refurbishment of mouldings, cornices, skirting boards, and internal doors throughout and installation of joinery units, wet underfloor heating, radiators, electric underfloor heating, AV and security system, drainage system, bathrooms, sanitary-ware and plumbing, electrical wiring. ***WITHDRAWN***

    Withdrawn Full applications Extension Loft or dormer +1 40 docs
  • 7 Alexander Square, London, SW3 2AY

    LB/26/00180 Submitted 3 Mar 2026 0m away

    Construction of replacement double-glazed infill extension at lower ground and ground floor levels, and associated works including installation of a new rooflight and a roof lantern; lowering of existing floor levels at lower ground floor; installation of replacement external metal staircase in a new covered stair enclosure; installation of new casement window within existing opening to lower ground floor bathroom. enlargement of rear window at third floor level above the closet wing; installation of two external air condensers on main roof level and associated internal service runs; reconfiguration of the internal plan-form; and internal works including refurbishment of mouldings, cornices, skirting boards, and internal doors throughout and installation of joinery units, wet underfloor heating, radiators, electric underfloor heating, AV and security system, drainage system, bathrooms, sanitary-ware and plumbing, electrical wiring. ***WITHDRAWN***

    Withdrawn Heritage and listed buildings Extension Loft or dormer +1 28 docs
  • Gardens (part) In Front Of 5/12, Alexander Square, London, SW3 2AY

    ARB/24/06988 Submitted 21 Oct 2024 0m away

    Prune 1x Sycamore in communal garden

    Granted Trees 6 docs
  • 5 Alexander Square, London, SW3 2AY

    ARB/25/06247 Submitted 17 Oct 2025 18m away

    Prune: T1 plum tree (reduce canopy), T6 elm tree (lift lower canopy); T2, 3, 4, 5, 7, 8 & 9 lime trees (prune back to most recent reduction points)

    Granted Trees 5 docs
  • 9 North Terrace, London, SW3 2BA

    CON/26/01372 Submitted 9 Mar 2026 19m away

    Details required by Condition 3 (submission of details - i) new external paving, including sample) of Listed Building consent LB/24/07130 (Renovation of lower ground floor, including replacement lobby doors and dining room external doors to match existing; replacement ground floor garden porch French doors to match existing; overhaul of sash windows, reveal panels to windows and first floor balcony to allow like-for-like finishes and landscaping improvements)

    Granted Conditions Extension Windows or glazing 8 docs
    Small domestic

In Kensington and Chelsea

  • LB/26/03098 Granted

    14 Holland Street, London, W8 4LT

    Removal on non-original furniture, fixtures and fittings. Installation of new coffee shop to include new floor finish over existing screed floor (floor boards retained), new light fittings, new coffee counter, plumbing and services. Limited refurbishment to shop front such as painting and new sign in place of existing.

    10 Jun 2026 Heritage and listed buildings
  • LB/26/02918 Granted

    220 and 222 Earl's Court Road, London, SW5 9QA

    Proposed installation of roof top plant and internal alterations

    2 Jun 2026 Heritage and listed buildings
  • 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
  • LB/26/02366 Withdrawn

    10 Palace Gate, London, W8 5NF

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

    27 Apr 2026 Heritage and listed buildings
  • 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