Flat 1 23 Eaton Place London SW1X 8BP

This site has had 2 applications since 2026.

• 26/02822/LBC Awaiting decision

  Flat 1 23 Eaton Place London SW1X 8BP

  Erection of single-story rear extension and associated works.

  Submitted 29 Apr 2026 Heritage and listed buildings

1. 29 Apr 2026

   Received by Westminster

2. 21 Jul 2026

   Added to PlanIndex

3. Decision

   Awaiting decision

   Decision expected by 24 June 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 65 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 full applications in a median of 89 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.

• Flat 1 23 Eaton Place London SW1X 8BP

  26/02822/LBC Submitted 29 Apr 2026 0m away

  90% historically approved · decision due ~24 Jun

  Erection of single-story rear extension and associated works.

  Awaiting decision Heritage and listed buildings Extension 14 docs

• 21 Eaton Place London SW1X 8BP

  26/04818/CLLB Submitted 20 Jul 2026 7m away

  89% historically approved · decision due ~21 Sep

  Like for like remedial after exposure works.

  Awaiting decision 16 docs

• Basement And Ground Floor Maisonette 21 Eaton Place London SW1X 8BP

  26/05198/LBC Submitted 31 Jul 2026 8m away

  90% historically approved · decision due ~25 Sep

  Replacement of external door at lower ground floor level.

  Decided Heritage and listed buildings

• Basement And Ground Floor Maisonette 21 Eaton Place London SW1X 8BP

  25/06595/LBC Submitted 15 Sep 2025 9m away

  Internal alterations at lower ground floor level, including installation of damp proofing and secondary glazing to front windows.

  Granted Heritage and listed buildings Windows or glazing 16 docs

• Basement And Ground Floor Maisonette 21 Eaton Place London SW1X 8BP

  26/00152/LBC Submitted 12 Jan 2026 9m away

  Replacement of external door at Lower Ground Floor level and installation of external security gate in front.

  Refused Heritage and listed buildings 14 docs

• 34 Belgrave Mews South London SW1X 8BT

  25/08400/ADFULL Submitted 17 Nov 2025 25m away

  87% historically approved · decision due ~16 Jan

  Details of a validation report pursuant to condition 5 (4) of planning permission dated 8th February 2024 (RN:23/08449/FULL)

  Awaiting decision Full applications 7 docs

• 26/06295/FULL Awaiting decision

  15 Warwick Way London SW1V 1QT

  Installation of a new shopfront.

  15 Sep 2026 Full applications
• 26/06297/FULL Awaiting decision

  15 Warwick Way London SW1V 1QT

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

  15 Sep 2026 Full applications
• 26/06234/FULL Awaiting decision

  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))

  11 Sep 2026 Full applications
• 26/06249/FULL Awaiting decision

  53 Wimpole Street London W1G 8YH

  Removal and Installation of external rear air condensers and associated pipe work to ground floor, including internal works to ground and first floor. (Linked with 26/06250/LBC)

  11 Sep 2026 Full applications
• 26/03576/FULL Decided

  15A Devonshire Terrace London W2 3DW

  Erection of an infill extension to basement courtyard to form new bedroom and internal alterations. (Linked with 26/03577/LBC)

  1 Jun 2026 Full applications