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Planning application

Flat 5 6 West Halkin Street London SW1X 8JA

Awaiting decision Westminster 25/08069/FULL Full Planning Permission Application

Works: Windows or glazing

Still open. Anyone can comment while the consultation period runs, and comments go to the council rather than to us.

Proposal

Alterations to existing flat roof to form roof terrace at third floor level including replacement of one glazed opening to the rear elevation with glazed access door; installation of terrace deck, privacy screening and planting.

As published by the council, reference 25/08069/FULL

Application record

Reference
25/08069/FULL
Type
Full Planning Permission Application
Status
Pending
Received
5 Nov 2025
Validated
17 Nov 2025
Ward
Knightsbridge & Belgravia
Postcode
SW1X 8JA

Site history

Applications at this address on the Westminster register

This site has had 2 applications since 2025.

  • 25/08070/LBC Awaiting decision

    Flat 5 6 West Halkin Street London SW1X 8JA

    Alterations to existing flat roof to form roof terrace at third floor level including replacement of one glazed opening to the rear elevation with glazed access door; installation of terrace deck; privacy screening and planting.

    Submitted 5 Nov 2025 Heritage and listed buildings

Timeline

Dates from the published record

  1. 5 Nov 2025

    Received by Westminster

  2. 17 Nov 2025

    Validated

    Checked as complete and ready for consideration.

  3. 21 Jul 2026

    Added to PlanIndex

  4. Decision

    Awaiting decision

    Decision expected by 12 January 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 66 days over the applications it decided in the last year.

Who's behind it

Company information only, from the register and Companies House

Studio Act Agent

3 applications on PlanIndex

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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.

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What happens while it is decided

This application is with Westminster for determination, against a statutory target of eight weeks. Over the last year Westminster decided full applications in a median of 91 days. More in our guide to how long planning decisions take.

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 5 6 West Halkin Street London SW1X 8JA

    25/08070/LBC Submitted 5 Nov 2025 50 yards away

    90% historically approved · decision due ~12 Jan

    Alterations to existing flat roof to form roof terrace at third floor level including replacement of one glazed opening to the rear elevation with glazed access door; installation of terrace deck; privacy screening and planting.

    Awaiting decision Heritage and listed buildings Windows or glazing 20 docs

  • 8 West Halkin Street London SW1X 8JE

    06/09800/ADV Submitted 6 Dec 2006 50 yards away

    Display of one illuminated ATM header panel and one non-illuminated ATM panel.

    Granted Advertising 6 docs

  • Payphone Outside 8 West Halkin Street London SW1X 8JE

    12/01103/ADV Submitted 6 Feb 2012 50 yards away

    Single sided vinyl advert measuring 704mm x 1800mm attached to one glazed face of payphone located outside Barclays Bank at 8 West Halkin Street.

    Refused Advertising Windows or glazing 8 docs

  • 8 West Halkin Street London SW1X 8JE

    06/04141/FULL Submitted 30 May 2006 50 yards away

    Installation of an ATM cashpoint machine.

    Granted Full applications 5 docs

  • 11A West Halkin Street London SW1X 8JL

    25/07306/TELNOT Submitted 26 Sep 2025 50 yards away

    Regulation 5 Notice of Intention to Install Fixed Line Broadband Apparatus to a Listed Building.

    Decided Telecoms

  • 3 West Halkin Street London SW1X 8JJ

    26/04464/FULL Submitted 6 Jul 2026 50 yards away

    87% historically approved · decision due ~31 Aug

    Alterations to roof to provide a sunken plant room on the fifth floor attic space. (Linked with 26/04465/LBC)

    Awaiting decision Full applications 20 docs

In Westminster

  • 26/06295/FULL Awaiting decision

    15 Warwick Way London SW1V 1QT

    Installation of a new shopfront with Medication Dispensing Outlet.

    Received 15 Sep, published by the council 17 Sep 2026 Full applications
  • 26/06297/FULL Awaiting decision

    15 Warwick Way London SW1V 1QT

    Alterations to rear elevation at basement level comprising replacement window and installation of double opening door.

    Received 15 Sep, published by the council 17 Sep 2026 Full applications
  • 26/06294/FULL Awaiting decision

    15 Eaton Mews South London SW1W 9HP

    Installation of railings and sliding lantern light at main roof level in connection with the use of the roof as a terrace.

    Received 15 Sep, published by the council 22 Sep 2026 Full applications
  • 26/06317/FULL Awaiting decision

    124 Hamilton Terrace London NW8 9UT

    Replacement of existing first-floor sash windows to the front and rear elevations with traditionally detailed painted timber, slim-profile double-glazed sash windows. (Linked to 26/06318/LBC)

    Received 15 Sep, published by the council 22 Sep 2026 Full applications
  • 26/06273/FULL Awaiting decision

    9A Grosvenor Square London W1K 5AE

    Installation of natural Portland Stone paving to two front entrances. (Linked to 26/05473/LBC)

    Received 14 Sep, published by the council 22 Sep 2026 Full applications