Flat 5 6 West Halkin Street London SW1X 8JA

This site has had 2 applications since 2025.

• 25/08069/FULL 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 Full applications

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.

This application is with Westminster for determination, against a statutory target of eight weeks. Over the last year Westminster decided heritage and listed building applications in a median of 94 days. More in our guide to how long planning decisions take.

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.

• Flat 5 6 West Halkin Street London SW1X 8JA

  25/08069/FULL Submitted 5 Nov 2025 50 yards away

  87% 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 Full applications Windows or glazing 25 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

• 26/04878/LBC Decided

  34 Grosvenor Street London W1K 4QU

  Internal works to facilitate the subdivision of 34 Grosvenor Street and 3 Three Kings Yard

  Received 21 Jul, published by the council 1 Aug 2026 Heritage and listed buildings
• 26/06299/LBC Awaiting decision

  Apartment 33 24 Park Crescent London W1B 1AA

  Alterations to internal partitions, door openings, doors and floor finishes.

  Received 15 Sep, published by the council 22 Sep 2026 Heritage and listed buildings
• 26/06305/LBC Awaiting decision

  33A Dean Street London W1D 4PP

  Installation of new concrete slab with drainage channels at basement level and new fire surround in B.01.

  Received 15 Sep, published by the council 22 Sep 2026 Heritage and listed buildings
• 26/06318/LBC 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 26/06317/FULL)

  Received 15 Sep, published by the council 22 Sep 2026 Heritage and listed buildings
• 26/04141/LBC Decided

  80E Randolph Avenue London W9 1BG

  Replacement of sashes in two front windows at 2nd floor level and one rear window with slimline double glazed timber sashes. (Linked with 26/04142/FULL)

  Received 23 Jun, published by the council 21 Jul 2026 Heritage and listed buildings