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Planning application

21 Princes Gate London SW7 1PT

Decided Westminster 26/05500/LBC Heritage and listed buildings

Decided. The decision notice on the council portal carries the outcome in full, including any conditions.

Proposal

Replacement of floor coverings and floor/ceiling structure at third floor rear balcony, structural strengthening works in rear building wall and works to second floor ceiling under balcony.

As published by the council, reference 26/05500/LBC

Application record

Reference
26/05500/LBC
Category
Heritage and listed buildings
Status
Decided
Received
12 Aug 2026
Validated
19 Aug 2026
Postcode
SW7 1PT

Site history

Applications at this address on the Westminster register

This site has had 2 applications since 2026.

  • 26/04505/CLLB Awaiting decision

    21 Princes Gate London SW7 1PT

    Repair and reinstatement of the existing balcony floor finish to the third floor (rear elevation) following significant water ingress and deterioration. Associated internal ceiling repairs at second-floor level.

    Submitted 7 Jul 2026

Timeline

Dates from the published record

  1. 12 Aug 2026

    Received by Westminster

  2. 19 Aug 2026

    Validated

    Checked as complete and ready for consideration.

  3. 24 Aug 2026

    Added to PlanIndex

  4. 2 Oct 2026

    Status changed to Decided

    Previously Pending.

After the decision

Westminster has decided this application; the outcome above is the register's own wording and the decision notice on the council portal carries the detail. 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 0.3 miles

  • 25 Princes Gate London SW7 1PT

    26/05132/LBC Submitted 30 Jul 2026 50 yards away

    90% historically approved · decision due ~24 Sep

    Replacement of selected external doors, windows, modern concrete structures and non-original roof finishes, with associated waterproofing, drainage and minor internal layout amendments to the 3rd and 4th floor front suites.

    Awaiting decision Heritage and listed buildings Windows or glazing
  • 25 Princes Gate London SW7 1PT

    26/05431/ADFULL Submitted 10 Aug 2026 50 yards away

    89% historically approved · decision due ~5 Oct

    Details of contaminated land assessment and tree protection method statement pursuant to Conditions 8 (Phases 1 & 2) and 12 (Part 1) of planning permission dated 23 July 2026 (RN: 26/01459/FULL)

    Awaiting decision Trees
  • 25 Princes Gate London SW7 1PT

    26/05136/NMA Submitted 30 Jul 2026 50 yards away

    93% historically approved · decision due ~24 Sep

    Amendments to planning permission dated 22 July 2026 (RN: 26/01459/FULL) for excavation of a basement beneath the footprint of lower ground floor, internal and external refurbishment and restoration, and associated works; NAMELY replacement of selected external doors, windows, modern concrete structures and non-original roof finishes, with associated waterproofing, drainage and minor internal layout amendments to the 3rd and 4th floor front suites.

    Awaiting decision Amendments Windows or glazing
  • 25 Princes Gate London SW7 1PT

    26/01459/FULL Submitted 6 Mar 2026 50 yards away

    88% historically approved · decision due ~1 May

    Excavation of a basement beneath the footprint of lower ground floor,internal and external refurbishment and restoration, and associated works. (Linked with 26/01460/LBC)

    Awaiting decision Full applications 81 docs
  • 25 Princes Gate London SW7 1PT

    26/01460/LBC Submitted 6 Mar 2026 50 yards away

    90% historically approved · decision due ~1 May

    Excavation of a basement beneath the footprint of lower ground floor, Internal and external refurbishment and restoration, and associated works.(Linked with 26/01459/FULL)

    Awaiting decision Heritage and listed buildings 2 docs
  • 21 Princes Gate London SW7 1PT

    26/04505/CLLB Submitted 7 Jul 2026 50 yards away

    89% historically approved · decision due ~1 Sep

    Repair and reinstatement of the existing balcony floor finish to the third floor (rear elevation) following significant water ingress and deterioration. Associated internal ceiling repairs at second-floor level.

    Awaiting decision 5 docs

In Westminster

  • 26/07202/LBC Awaiting decision

    Basement East And Ground Floor And First Floor 33 Weymouth Street London W1G 7BY

    Replacement of 13 doorsets with fire doors.

    Received 21 Oct, published by the council 23 Oct 2026 Heritage and listed buildings
  • 26/07183/LBC Awaiting decision

    306 - 308 Regent Street London W1B 3AT

    Installation of a manually operated retractable fabric awning to the existing shopfront at 308 Regent Street, comprising an orange fabric canopy with discreet printed lettering to the front valance, together with associated supporting framework, mounting brackets and fixings to the existing fa?ade.

    Received 21 Oct, published by the council 22 Oct 2026 Heritage and listed buildings
  • 26/07191/LBC Awaiting decision

    6 Wilton Place London SW1X 8RH

    Layout alterations and replacement of internal doors.

    Received 21 Oct, published by the council 22 Oct 2026 Heritage and listed buildings
  • 26/07199/LBC Awaiting decision

    49 Queen's Gardens London W2 3AA

    Erection of a mansard roof extension incorporating rooflights and a rear balcony; installation of Juliet balconies at ground and first floor levels to the rear; demolition of the existing courtyard extension and erection of a single-storey infill extension; extension of the rear wing at first floor (mezzanine) and second floor levels; fenestration alterations including the installation of new windows; stucco repairs and partial rebuilding of the rear extensions; and associated internal alterations at all levels. (Linked to 26/07198/FULL)

    Received 21 Oct, published by the council 23 Oct 2026 Heritage and listed buildings
  • 26/07192/LBC Awaiting decision

    119 Warwick Way London SW1V 4HS

    Conversion and internal alterations to the ground floor flat (Retrospective)

    Received 21 Oct, published by the council 23 Oct 2026 Heritage and listed buildings