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Planning application

Flat 3 6 Upper Belgrave Street London SW1X 8BD

Refused Westminster 25/06478/FULL Full Planning Permission Application

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
Refused As published: 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)

    Submitted 1 Jul 2026 Heritage and listed buildings
  • 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)

    Submitted 1 Jul 2026 Full applications
  • 26/00423/LBC Granted

    Flat 3 6 Upper Belgrave Street London SW1X 8BD

    Interior fit out to the third and fourth floors.

    Decided 16 Mar 2026 Heritage and listed buildings
  • 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.

    Decided 6 Oct 2025 Heritage and listed buildings
  • 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.

    Decided 13 Feb 2026 Heritage and listed buildings

Timeline

Dates from the published record

  1. 10 Sep 2025

    Received by Westminster

  2. 25 Sep 2025

    Validated

    Checked as complete and ready for consideration.

  3. 13 Feb 2026

    Decision issued: Application Refused

  4. 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 · 76% 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 record

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.

Watch members (£5 a month) open the document list from here.

Open the documents

What 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 0.3 miles

  • Flat 3 6 Upper Belgrave Street London SW1X 8BD

    25/06479/LBC Submitted 10 Sep 2025 50 yards away

    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

    26/04336/LBC Submitted 1 Jul 2026 50 yards away

    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

    26/04335/FULL Submitted 1 Jul 2026 50 yards away

    88% 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

    25/06556/LBC Submitted 12 Sep 2025 50 yards away

    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

    26/00402/LBC Submitted 23 Jan 2026 50 yards away

    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

    26/00423/LBC Submitted 23 Jan 2026 50 yards away

    Interior fit out to the third and fourth floors.

    Granted Heritage and listed buildings 20 docs

In Westminster

  • 26/06234/FULL Decided

    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))

    Received 11 Sep, published by the council 18 Sep 2026 Full applications
  • 26/06015/FULL Decided

    129 Saltram Crescent London W9 3JT

    Erection of a two-storey rear extension.

    Received 3 Sep, published by the council 11 Sep 2026 Full applications
  • 26/07382/FULL Awaiting decision

    90 Gloucester Place London W1U 6HS

    Use of the building as an embassy (sui generis)

    Received 28 Oct, published by the council 2 Nov 2026 Full applications
  • 26/07363/FULL Awaiting decision

    36 Kilravock Street London W10 4HX

    Demolition of existing rear/side extension and construction of a new extension together with new glazing and doors, and changing the existing rooflights to the rear roof slope with new rooflights.

    Received 28 Oct, published by the council 2 Nov 2026 Full applications
  • 26/07371/FULL Awaiting decision

    8A Randolph Road London W9 1AN

    Amalgamation of two residential units with internal refurbishment and reconfiguration. (Linked with 26/07372/LBC)

    Received 28 Oct, published by the council 2 Nov 2026 Full applications