Planning application
21 Princes Gate London SW7 1PT
Still open. Anyone can comment while the consultation period runs, and comments go to the council rather than to us.
Proposal
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.
As published by the council, reference 26/04505/CLLB
Application record
- Reference
- 26/04505/CLLB
- Type
- Cert of Law - Prposed works to LB
- Status
- Pending
- Received
- 7 Jul 2026
- Validated
- 7 Jul 2026
- Ward
- Knightsbridge & Belgravia
- Postcode
- SW7 1PT
Site history
Applications at this address on the Westminster register
This site has had 2 applications since 2026.
-
26/05500/LBC Awaiting decision
21 Princes Gate London SW7 1PT
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.
Timeline
Dates from the published record
-
7 Jul 2026
Received by Westminster
-
21 Jul 2026
Added to PlanIndex
-
Decision
Awaiting decision
Decision expected by 1 September 2026, 8 weeks from validation under the statutory target for most applications. Extensions of time are common and are agreed case by case.
Westminster took a median of 65 days over the applications it decided in the last year.
Who's behind it
Company information only, from the register and Companies House
Hamilton Grey Heritage Services Ltd Agent, registered in Birmingham
Active · incorporated 2022 · Birmingham
5 applications on PlanIndex
Trade members see everything this firm has filed, how it was decided, and get an email the day it files again.
See their track recordDocuments
Plans, drawings, consultee responses and the officer's report
5 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.
Watch members (£5 a month) open the document list from here.
Open the documentsWhat happens while it is decided
This application is with Westminster for determination, against a statutory target of eight weeks. Over the last year Westminster's median decision took 65 days. More in our guide to how long planning decisions take.
About this record
The published feed does not state which type of application this is; the register entry on Westminster's portal will say. Our guide explains the common types.
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Awaiting decision Amendments Windows or glazing -
21 Princes Gate London SW7 1PT
90% historically approved · decision due ~14 Oct
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.
Awaiting decision Heritage and listed buildings -
25 Princes Gate London SW7 1PT
87% 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