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Planning application

Flat 4/5, 27 Brompton Square, London, SW3 2AD

Granted Kensington and Chelsea LB/23/05644 Listed Building Consent

Works: Extension Loft or dormer Windows or glazing

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

Proposal

Reconstruction and rear extension of slate-clad fifth floor mansard with 3no. lead-clad front dormers with `3 over 3' timber-framed sash windows, 3no. slim-profile timber-framed glazed French doors on rear elevation, and 2no. fixed conservation-type flat rooflights. Installation of slate-cladding to fourth floor mansard and replacement of 3no. `3 over 3' timber-framed single-glazed sash windows detailed to match existing. Replacement of 3no. timber-framed glazed balcony doors on rear elevation; modifications to rear roof terrace to include removal of metal framework, replacement of painted metal balustrade, and installation of air conditioning external unit in timber-clad acoustic housing. Creation of setback roof terrace with painted metal balustrading, 1no. aluminium-framed, openable conservation-type flat rooflight, and low level timber-clad banquette seating and storage, following the removal of water tank, exhaust vent, metal guardrail, and escape stairs. Erection of frameless glazed partition and door to create new entrance hall on second floor half landing. Internal layout changes to include replacement of 1no. internal staircase, erection of new partitions, formation of new door openings, removal of existing doors, and creation of 1no. additional bedroom and bathroom. Replacement of communal staircase handrails at ground floor level; installation of new joinery; installation of new mechanical and electrical building services; refurbishment and redecoration

As published by the council, reference LB/23/05644

Application record

Reference
LB/23/05644
Type
Listed Building Consent
Status
Decided
Decision
Grant Planning Permission/Consent
Received
24 Aug 2023
Validated
2 Oct 2023
Decided
26 Jan 2024
Ward
Brompton and Hans Town
Parish
02
Postcode
SW3 2AD

Site history

Applications at this address on the Kensington and Chelsea register

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

  • LB/26/02553 Granted

    Flat 4/5, 27 Brompton Square, London, SW3 2AD

    Revisions to LB/23/05644: amended fire protection screens to principal staircase, glazed (in lieu of metal) balustrade to approved rooftop staircase, and minor bathroom layout revisions

    Decided 16 Jul 2026 Heritage and listed buildings

Timeline

Dates from the published record

  1. 24 Aug 2023

    Received by Kensington and Chelsea

  2. 2 Oct 2023

    Validated

    Checked as complete and ready for consideration.

  3. 26 Jan 2024

    Decision issued: Grant Planning Permission/Consent

  4. 19 Aug 2026

    Added to PlanIndex

Cases linked to this one on the register

1 later application on the register refers to this one:

  • LB/26/02553 Granted

    Flat 4/5, 27 Brompton Square, London, SW3 2AD

    Revisions to LB/23/05644: amended fire protection screens to principal staircase, glazed (in lieu of metal) balustrade to approved rooftop staircase, and minor bathroom layout revisions

    Decided 16 Jul 2026 Heritage and listed buildings

Who's behind it

Company information only, from the register and Companies House

Applicant on file, an architecture practice

6 applications on PlanIndex

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Documents

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

25 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 26 January 2024, 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

  • 15 Brompton Square, London, SW3 2AD

    CON/21/03857 Submitted 21 Jun 2021 0m away

    Details required by Condition 4(p) (Submission of details - proposed external vents/extract flues) of Listed Building Consent LB/20/00865 (Redevelopment of property involving the demolition of lower ground and ground rear extension; replacement of lower ground floor slab to rear; construction of mansard roof, basement extension under rear garage and provision of roof terrace to rear garage; construction of lower ground and ground rear extension and new closet wing from lower ground to first floors; and associated internal refurbishment works throughout)

    Granted Conditions Extension Loft or dormer +1 9 docs

  • 16 Brompton Square, London, SW3 2AD

    CON/26/02759 Submitted 19 May 2026 0m away

    Details required by condition 3d, p and q (C.205 submission of details) of listed building consent 24/06983 (Redevelopment involving demolition of lower ground, ground and first floor rear extensions; replacement of roof dormers; addition of a roof window; installation of solar panels on mansard roof; lowering of front vaults; partial basement extension under rear garage; full width extension and provision of roof terrace to rear garage; installation of air handling units in garden; construction of lower ground, ground and first floor replacement rear extensions; and associated internal refurbishment work)***WITHDRAWN***

    Withdrawn Conditions Extension Loft or dormer +2 10 docs

  • 24 Brompton Square, London, SW3 2AD

    PP/26/01628 Submitted 3 Mar 2026 0m away

    Installation of roof extension, rear second floor closet wing extension, rear lower ground bedroom extension, garage with roof terrace to rear garden including family room separated by glass link to lower ground floor level

    Withdrawn Full applications Extension 17 docs

  • 24 Brompton Square, London, SW3 2AD

    LB/26/01629 Submitted 3 Mar 2026 0m away

    Installation of roof extension, rear second floor closet wing extension, rear lower ground bedroom extension, garage with roof terrace to rear garden including family room separated by glass link to lower ground floor level

    Withdrawn Heritage and listed buildings Extension 14 docs

  • Flat 1/2, 27 Brompton Square, London, SW3 2AD

    CON/23/05774 Submitted 30 Aug 2023 0m away

    Details required by condition 3 (a) of listed building consent 23/03521

    Granted Conditions 2 docs

  • Flat 1/2, 27 Brompton Square, London, SW3 2AD

    CON/23/05728 Submitted 30 Aug 2023 0m away

    Details required by condition 3(a) (Submission of details) of planning permission 23/03520 (Internal layout changes to include replacement and relocation of 1no internal staircase, relocation of dwelling entrance from ground floor to first floor and formation of new door openings; replacement of timber framed glazed windows to elevation at first floor level; replacement of flat rooflight with conservation-type openable flat rooflight at first floor level half landing; installation of joinery, mechanical and electrical building services; refurbishment and redecoration)

    Granted Conditions Loft or dormer Windows or glazing 9 docs
    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