Planning application
21 Princes Gate London SW7 1PT
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.
Timeline
Dates from the published record
-
12 Aug 2026
Received by Westminster
-
19 Aug 2026
Validated
Checked as complete and ready for consideration.
-
24 Aug 2026
Added to PlanIndex
-
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
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
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
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
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
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
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
Other heritage and listed building applications
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.
-
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.
-
26/07191/LBC Awaiting decision
6 Wilton Place London SW1X 8RH
Layout alterations and replacement of internal doors.
-
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)
-
26/07192/LBC Awaiting decision
119 Warwick Way London SW1V 4HS
Conversion and internal alterations to the ground floor flat (Retrospective)