1 South Eaton Place London SW1W 9ES

This site has had 2 applications since 2026.

• 26/00876/LBC Awaiting decision

  1 South Eaton Place London SW1W 9ES

  Alterations at basement level, including reconfiguration of existing modern partitions and the upgrading and incorporation of the front pavement vaults into the basement accommodation through floor lowering and internal connection, internal alterations at ground floor level, including a new opening between existing rooms and alterations to the rear outshot at first floor level to provide access to an existing roof area and replacement of modern glazed roof structures [Linked to 26/00989/FULL]

  Submitted 12 Feb 2026 Heritage and listed buildings

1. 17 Feb 2026

   Received by Westminster

2. 17 Mar 2026

   Validated

   Checked as complete and ready for consideration.

3. 21 Jul 2026

   Added to PlanIndex

4. Decision

   Awaiting decision

   Decision expected by 12 May 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.

• 26/00876/LBC Awaiting decision

  1 South Eaton Place London SW1W 9ES

  Alterations at basement level, including reconfiguration of existing modern partitions and the upgrading and incorporation of the front pavement vaults into the basement accommodation through floor lowering and internal connection, internal alterations at ground floor level, including a new opening between existing rooms and alterations to the rear outshot at first floor level to provide access to an existing roof area and replacement of modern glazed roof structures [Linked to 26/00989/FULL]

  Submitted 12 Feb 2026 Heritage and listed buildings

1 later application on the register refers to this one:

• 26/00876/LBC Awaiting decision

  1 South Eaton Place London SW1W 9ES

  Alterations at basement level, including reconfiguration of existing modern partitions and the upgrading and incorporation of the front pavement vaults into the basement accommodation through floor lowering and internal connection, internal alterations at ground floor level, including a new opening between existing rooms and alterations to the rear outshot at first floor level to provide access to an existing roof area and replacement of modern glazed roof structures [Linked to 26/00989/FULL]

  Submitted 12 Feb 2026 Heritage and listed buildings

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.

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.

• 1 South Eaton Place London SW1W 9ES

  26/00876/LBC Submitted 12 Feb 2026 50 yards away

  90% historically approved · decision due ~9 Apr

  Alterations at basement level, including reconfiguration of existing modern partitions and the upgrading and incorporation of the front pavement vaults into the basement accommodation through floor lowering and internal connection, internal alterations at ground floor level, including a new opening between existing rooms and alterations to the rear outshot at first floor level to provide access to an existing roof area and replacement of modern glazed roof structures [Linked to 26/00989/FULL]

  Awaiting decision Heritage and listed buildings Windows or glazing 16 docs

• 58 Eaton Mews West London SW1W 9ET

  25/05654/TCA Submitted 12 Aug 2025 50 yards away

  T1 Palm tree: Fell to ground and treat stump.

  Granted Trees 8 docs

• 1 - 4 Eaton Mews West London SW1W 9ET

  26/01042/ADFULL Submitted 18 Feb 2026 50 yards away

  Signed CoCP Appendix A checklist for Construction Phase pursuant to Condition 3(c) of planning permission dated 31 October 2024 (RN 24/00412/FULL)

  Granted Full applications 9 docs

• Flat B 58 Eaton Square London SW1W 9BG

  26/05094/LBC Submitted 29 Jul 2026 50 yards away

  90% historically approved · decision due ~23 Sep

  Replacement of rear window and doors; removal and reinstatement of rear balcony railing (to enable works); demolition and installation of partitions; removal and installation of kitchen and bathroom fixtures and fittings and fitted joinery; installation of underfloor heating; restoration & repair of existing cornices, skirtings and architectural details where possible; and replacement with new cornices/skirtings in heritage styles where originals were previously removed. (Linked with (Linked with 26/03179/FULL))

  Awaiting decision Heritage and listed buildings Demolition Windows or glazing

• 57 Eaton Square London SW1W 9BG

  26/03176/NMA Submitted 14 May 2026 50 yards away

  93% historically approved · decision due ~13 Jul

  Amendments to planning permission dated 4th August 2014 (RN:14/04167/FULL) for Amalgamation of 2 x 2 bed flats on lower ground and ground floor levels to create a 3 bed maisonette; installation of an external metal spiral staircase on the rear elevation to access the garden from ground floor level, and alterations to rear windows (site includes Flats 57 and 58a). Namely, to omit previously approved rear steel staircase, minor internal wall alterations.

  Awaiting decision Amendments New dwelling Windows or glazing 10 docs

• Flat B 58 Eaton Square London SW1W 9BG

  26/01046/LBC Submitted 18 Feb 2026 50 yards away

  90% historically approved · decision due ~16 Jun

  Refurbishment of the existing apartment with redesigned internal floor layout

  Awaiting decision Heritage and listed buildings 22 docs

• 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