46 Eaton Place London SW1X 8AL

This site has had 4 applications since 2025: 3 approved, 0 refused.

• 25/09311/CLOPUD Granted

  46 Eaton Place London SW1X 8AL

  Confirmation that the planning permission dated 26th April 2023 (RN: 22/05260/FULL) for the 'Use of existing buildings as two separate dwellings with associated alterations and extensions, including new rear courtyard with green living wall at lower ground and ground floor levels, creation of roof terraces at rear upper ground floor and main roof levels, alterations to terrace at first floor level, replacement rear closet wing extension at first and second floor levels, replacement of mansard roof, and replacement of windows and doors on all elevations (site includes 20 Eaton Mews North)' was lawfully implemented prior to the expiration date and that it is lawful to complete the outstanding works.

  Decided 23 Feb 2026 Lawful development
• 25/04439/FULL Granted

  46 Eaton Place London SW1X 8AL

  Erection of extensions at rear lower-ground, ground, first and second floor levels with roof terrace at rear first floor level; replacement mansard roof and facade alterations to mews building; basement extension; roof terrace, plant enclosure and lift overrun at main roof level. Change of use from embassy to two dwellings (Site includes 20 Eaton Mews North).

  Decided 17 Mar 2026 Full applications
• 25/04440/LBC Granted

  46 Eaton Place London SW1X 8AL

  Erection of extensions at rear lower-ground, ground, first and second floor levels with roof terrace at rear first floor level; replacement mansard roof and facade alterations to mews building; basement extension; roof terrace, plant enclosure and lift overrun at main roof level; and associated internal alterations including to plan form and provision of lift (Site includes 20 Eaton Mews North). (Linked with 25/04439/FULL)

  Decided 17 Mar 2026 Heritage and listed buildings

1. 2 Oct 2026

   Received by Westminster

2. 6 Oct 2026

   Added to PlanIndex

3. Decision

   Awaiting decision

   Decision expected by 27 November 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 86 days over the applications it decided in the last year.

• 25/04439/FULL Granted

  46 Eaton Place London SW1X 8AL

  Erection of extensions at rear lower-ground, ground, first and second floor levels with roof terrace at rear first floor level; replacement mansard roof and facade alterations to mews building; basement extension; roof terrace, plant enclosure and lift overrun at main roof level. Change of use from embassy to two dwellings (Site includes 20 Eaton Mews North).

  Decided 17 Mar 2026 Full applications

This application is with Westminster for determination, against a statutory target of eight weeks. Over the last year Westminster's median decision took 86 days. More in our guide to how long planning decisions take.

The published feed does not state which type of application this is; the register entry on Westminster's portal will say. Our guide explains the common types.

• 52 Eaton Place London SW1X 8AL

  26/07131/LBC Submitted 19 Oct 2026 50 yards away

  90% historically approved · decision due ~16 Dec

  Replacement of the approved second-floor rear sash window with painted timber French doors. (Linked with 26/05674/NMA)

  Awaiting decision Heritage and listed buildings Windows or glazing

• 52 Eaton Place London SW1X 8AL

  26/05674/NMA Submitted 19 Aug 2026 50 yards away

  93% historically approved · decision due ~14 Oct

  Amendments to planning permission dated 25 September 2025 (25/05108/FULL) for: Alterations to rear extension at first floor level including creation of rear roof terrace at second floor level; replacement of first and second floor level front windows with double glazed timber sash windows; replacement of front door; reinstatement of period windows and doors, namely to allow replacement of second floor rear full height sash window with set of French doors.

  Decided Amendments Extension Windows or glazing

• 52 Eaton Place London SW1X 8AL

  26/02230/ADLBC Submitted 2 Apr 2026 50 yards away

  89% historically approved · decision due ~28 May

  Detailed elevations and section of the front door and its surrounds, pursuant to condition 4 of Listed Building Consent dated 25th September 2025 (25/05109/LBC)

  Awaiting decision Conditions 4 docs

• 52 Eaton Place London SW1X 8AL

  25/08102/ADFULL Submitted 6 Nov 2025 50 yards away

  Details of the front door pursuant to Condition 4 of planning permission dated 25th September 2025 (RN: 25/05108/FULL).

  Refused Full applications 8 docs

• 46 Eaton Place London SW1X 8AL

  25/09311/CLOPUD Submitted 23 Dec 2025 50 yards away

  Confirmation that the planning permission dated 26th April 2023 (RN: 22/05260/FULL) for the 'Use of existing buildings as two separate dwellings with associated alterations and extensions, including new rear courtyard with green living wall at lower ground and ground floor levels, creation of roof terraces at rear upper ground floor and main roof levels, alterations to terrace at first floor level, replacement rear closet wing extension at first and second floor levels, replacement of mansard roof, and replacement of windows and doors on all elevations (site includes 20 Eaton Mews North)' was lawfully implemented prior to the expiration date and that it is lawful to complete the outstanding works.

  Granted Lawful development Extension Loft or dormer +1 13 docs

• 46 Eaton Place London SW1X 8AL

  25/04439/FULL Submitted 27 Jun 2025 50 yards away

  Erection of extensions at rear lower-ground, ground, first and second floor levels with roof terrace at rear first floor level; replacement mansard roof and facade alterations to mews building; basement extension; roof terrace, plant enclosure and lift overrun at main roof level. Change of use from embassy to two dwellings (Site includes 20 Eaton Mews North).

  Granted Full applications Extension Loft or dormer 144 docs
  Several homes