Planning application
Flat 3 6 Upper Belgrave Street London SW1X 8BD
Works: Windows or glazing
Refused. Only the applicant can appeal, within the statutory time limit, and a revised scheme can be submitted instead.
Proposal
Replacement of a window with timber French doors with new balcony at rear third floor level.
As published by the council, reference 25/06478/FULL
Application record
- Reference
- 25/06478/FULL
- Type
- Full Planning Permission Application
- Status
- Decided
- Decision
- Application Refused
- Received
- 10 Sep 2025
- Validated
- 25 Sep 2025
- Decided
- 13 Feb 2026
- Ward
- Knightsbridge & Belgravia
- Decision by
- Delegated Decision
- Postcode
- SW1X 8BD
Site history
Applications at this address on the Westminster register
This site has had 6 applications since 2025: 1 approved, 3 refused.
-
26/04336/LBC Awaiting decision
Flat 3 6 Upper Belgrave Street London SW1X 8BD
Replacement of the existing condenser and acoustic enclosure with a new unit and enclosure in the same location along with internal alterations to the third and fourth floor maisonette. (Linked with 26/04335/FULL)
-
26/04335/FULL Awaiting decision
Flat 3 6 Upper Belgrave Street London SW1X 8BD
Replacement of the existing condenser and acoustic enclosure with a new unit and enclosure in the same location along with internal alterations to the third and fourth floor maisonette. (Linked with 26/04336/LBC)
-
26/00423/LBC Granted
Flat 3 6 Upper Belgrave Street London SW1X 8BD
Interior fit out to the third and fourth floors.
-
25/06556/LBC Refused
Flat 3 6 Upper Belgrave Street London SW1X 8BD
Internal alterations and creation of new en-suite bathroom at fourth floor level.
-
25/06479/LBC Refused
Flat 3 6 Upper Belgrave Street London SW1X 8BD
Replacement of a window with timber French doors with new balcony at rear third floor level.
Timeline
Dates from the published record
-
10 Sep 2025
Received by Westminster
-
25 Sep 2025
Validated
Checked as complete and ready for consideration.
-
13 Feb 2026
Decision issued: Application Refused
-
21 Jul 2026
Added to PlanIndex
Who's behind it
Company information only, from the register and Companies House
CLINCH DESIGN Agent, a design practice registered in London
Dissolved · incorporated 2008 · London
28 applications on PlanIndex · across 4 councils · 71% granted
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
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.
Trade members open them from here.
Open the documentsWhat this refusal means
Westminster refused this application for the reasons on the decision notice; only the applicant can appeal, and refused schemes often return in revised form. More in our guide to what happens after a planning decision.
About full applications
A full application seeks permission for a complete, detailed proposal in one go, with siting, design, access and landscaping all fixed at this stage. More in our guide to planning application types.
Nearby applications
Within 500 metres
-
Flat 3 6 Upper Belgrave Street London SW1X 8BD
Replacement of a window with timber French doors with new balcony at rear third floor level.
Refused Heritage and listed buildings Windows or glazing 23 docs -
Flat 3 6 Upper Belgrave Street London SW1X 8BD
90% historically approved · decision due ~3 Sep
Replacement of the existing condenser and acoustic enclosure with a new unit and enclosure in the same location along with internal alterations to the third and fourth floor maisonette. (Linked with 26/04335/FULL)
Awaiting decision Heritage and listed buildings 32 docs -
Flat 3 6 Upper Belgrave Street London SW1X 8BD
87% historically approved · decision due ~3 Sep
Replacement of the existing condenser and acoustic enclosure with a new unit and enclosure in the same location along with internal alterations to the third and fourth floor maisonette. (Linked with 26/04336/LBC)
Awaiting decision Full applications 33 docs -
Flat 3 6 Upper Belgrave Street London SW1X 8BD
Internal alterations and creation of new en-suite bathroom at fourth floor level.
Refused Heritage and listed buildings 24 docs -
6 Upper Belgrave Street London SW1X 8BD
Interior fit out to the fourth floor of a new ensuite shower room and new stud walls.
Granted Heritage and listed buildings 17 docs -
Flat 3 6 Upper Belgrave Street London SW1X 8BD
Interior fit out to the third and fourth floors.
Granted Heritage and listed buildings 20 docs
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26/06295/FULL Awaiting decision
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Installation of a new shopfront.
-
26/06297/FULL Awaiting decision
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Alterations to rear elevation at basement level comprising repolacement window and installation of double opening door.
-
26/06234/FULL Awaiting decision
40 Grosvenor Place London SW1X 7HJ
Use of lower ground floor of Unit 3 and ground floor of Unit 2 as gym (Class E(d)) and/ or office (Class E(g))
-
26/06249/FULL Awaiting decision
53 Wimpole Street London W1G 8YH
Removal and Installation of external rear air condensers and associated pipe work to ground floor, including internal works to ground and first floor. (Linked with 26/06250/LBC)
-
26/03576/FULL Decided
15A Devonshire Terrace London W2 3DW
Erection of an infill extension to basement courtyard to form new bedroom and internal alterations. (Linked with 26/03577/LBC)