3 Chesham Close London SW1X 8DN

1. 19 Oct 2026

   Received by Westminster

2. 20 Oct 2026

   Added to PlanIndex

3. Decision

   Awaiting decision

   Decision expected by 14 December 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.

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.

• 67 Eaton Place London SW1X 8DF

  26/00981/FULL Submitted 17 Feb 2026 50 yards away

  Creation of roof terrace on rear mews building including new paving, planting and balustrade.

  Granted Full applications 24 docs

• 2A Lyall Mews London SW1X 8DJ

  26/06136/ADFULL Submitted 8 Sep 2026 50 yards away

  89% historically approved · decision due ~3 Nov

  Detailed drawings showing amended proposals for the first floor front elevation's fenestration, and detailed drawings of the replacement garage door, rooflight, windows other than the first-floor front elevation fenestration, Juliet balconies and associated metalwork and rebuilt front entrance steps, pursuant to condition 4 and 5 of planning permission dated 16 April 2026 (RN:26/01406/FULL)

  Decided Loft or dormer Windows or glazing

• 2A Lyall Mews London SW1X 8DJ

  26/01406/FULL Submitted 5 Mar 2026 50 yards away

  88% historically approved · decision due ~6 May

  External alterations including: lowering of window openings at first floor on the front elevation and introduction of Juliet balconies, replacement of garage door, new rooflight, upgrades to the fenestration to front and rear and rebuilding of front entrance steps.

  Awaiting decision Full applications Loft or dormer Windows or glazing 28 docs

• Maisonette Basement And Ground Floor Flat 59 Eaton Place London SW1X 8DF

  26/02452/ADLBC Submitted 14 Apr 2026 50 yards away

  89% historically approved · decision due ~9 Jun

  Details of fireplaces; floor mounted FCUs, associated joinery and furniture; replacement LG balustrade; plasterwork at ground floor; level changes; and cavity drain system pursuant to condition 4 of listed building consent dated 05 March 2026 (RN: 26/00813/LBC)

  Awaiting decision Conditions 12 docs

• Maisonette Basement And Ground Floor Flat 59 Eaton Place London SW1X 8DF

  26/00813/LBC Submitted 10 Feb 2026 50 yards away

  Internal alterations including removal of modern fabric, amendments to room layout, repairs from water ingress damage and installation of modern services.

  Granted Heritage and listed buildings 16 docs

• 67 Eaton Place London SW1X 8DF

  26/00982/LBC Submitted 17 Feb 2026 50 yards away

  Creation of roof terrace on rear mews building including new paving, planting and balustrade.

  Granted Heritage and listed buildings 18 docs