15 Eaton Square London SW1W 9DD

1. 1 Aug 2025

   Received by Westminster

2. 18 Sep 2025

   Decision issued: Application Permitted

3. 21 Jul 2026

   Added to PlanIndex

Westminster granted permission on 18 September 2025, subject to any conditions on the decision notice. Work must normally begin within three years or the permission lapses. More in our guide to what happens after a planning decision.

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.

• 14 - 17 Eaton Square London SW1W 9DD

  26/01847/FULL Submitted 20 Mar 2026 50 yards away

  88% historically approved · decision due ~25 May

  Replacement of the front portico steps. (Linked to RN: 26/01848/LBC)

  Awaiting decision Full applications 5 docs

• 14 - 17 Eaton Square London SW1W 9DD

  26/01848/LBC Submitted 20 Mar 2026 50 yards away

  90% historically approved · decision due ~25 May

  Replacement of the front portico steps. (Linked to RN: 26/01847/FULL)

  Awaiting decision Heritage and listed buildings 5 docs

• 14-17 Flat 16 Eaton Square London SW1W 9DD

  22/05152/ADLBC Submitted 28 Jul 2022 50 yards away

  Details of all new external windows and doors pursuant to condition 3 of listed building permission dated 09 April 2019 (19/00571/LBC).

  Granted Conditions Windows or glazing 6 docs

• 16 Eaton Mews South London SW1W 9HP

  26/01516/FULL Submitted 10 Mar 2026 50 yards away

  88% historically approved · decision due ~5 May

  Variation of condition 1 and removal of condition 4 of planning permission dated 31st July 2025 (RN 25/03034/FULL) for the Creation of a roof terrace with glazed access hatch, rooflights and railings and installation of heatpump and air conditioning units with acoustic enclosure at main roof level. Alterations to the front and rear elevations. NAMELY, variation of condition 1 to allow amendments to the window design and relocation of a rooflight; and removal of condition 4 and instead allow the detailed drawings to pursant to it to be approved under this application.

  Awaiting decision Full applications Loft or dormer Windows or glazing 20 docs

• 16 Eaton Mews South London SW1W 9HP

  26/00367/ADFULL Submitted 22 Jan 2026 50 yards away

  88% historically approved · decision due ~19 Mar

  Details of new windows (including relationship with reveals); new entrance door and sidelights; new garage door and spandrel panel to adjacent window; rooflights (including upstands); acoustic enclosure (specifying materials and finished appearance); railings and Juliette balconies (specifying materials and finished appearance), pursuant to condition 4 of planning permission dated 31 July 2025 (RN: 25/03034/FULL).

  Awaiting decision Full applications Loft or dormer Windows or glazing 20 docs

• 15 Eaton Mews South London SW1W 9HP

  26/06294/FULL Submitted 15 Sep 2026 50 yards away

  88% historically approved · decision due ~10 Nov

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

  Awaiting decision Full applications

• 26/05473/LBC Decided

  9A Grosvenor Square London W1K 5AE

  Installation of natural Portland Stone paving to two front entrances. (Linked to 26/06273/FULL)

  Received 12 Aug, published by the council 22 Sep 2026 Heritage and listed buildings
• 26/07390/LBC Awaiting decision

  40 Wigmore Street London W1U 2RX

  Installation of a non-illuminated fascia sign measuring 0.29m x 0.79m and two vinyl signs applied to inside face of the glazed shopfront each measuring 0.22m x 0.84m. (Linked with 26/06970/ADV)

  29 Oct 2026 Heritage and listed buildings
• 26/07372/LBC Awaiting decision

  8A Randolph Road London W9 1AN

  Amalgamation of two residential units with internal refurbishment and reconfiguration. (Linked with 26/07371/FULL)

  Received 28 Oct, published by the council 2 Nov 2026 Heritage and listed buildings
• 26/07332/LBC Awaiting decision

  Royal Courts Of Justice Strand London WC2A 2LL

  Replacement of one platform lift within the grade 1 listed Royal Court?s of Justice building.

  Received 27 Oct, published by the council 30 Oct 2026 Heritage and listed buildings
• 26/07336/LBC Awaiting decision

  Charing Cross Hotel Strand London WC2N 5HX

  Installation of replacement timber handrail and brackets to one flight of main staircase.

  Received 27 Oct, published by the council 30 Oct 2026 Heritage and listed buildings