103 St George's Square Mews London SW1V 3RZ

This site has had 4 applications since 2026.

• 26/05346/CLOPUD Decided

  103 St George's Square Mews London SW1V 3RZ

  Installation of three painted timber sash windows within new openings to the rear elevation.

  Submitted 6 Aug 2026 Lawful development
• 26/01794/FULL Awaiting decision

  103 St George's Square Mews London SW1V 3RZ

  Erection of mansard roof extension, first floor rear extension and roof terrace, alterations to front and rear elevations.

  Submitted 19 Mar 2026 Full applications
• 26/01650/FULL Awaiting decision

  103 St George's Square Mews London SW1V 3RZ

  Erection of a mansard roof extension and alterations to front and rear elevations.

  Submitted 13 Mar 2026 Full applications

1. 9 Sep 2026

   Received by Westminster

2. 17 Sep 2026

   Added to PlanIndex

3. 22 Oct 2026

   Status changed to Decided

   Previously Pending.

Westminster has decided this application; the outcome above is the register's own wording and the decision notice on the council portal carries the detail. More in our guide to what happens after a planning decision.

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.

• 103 St George's Square Mews London SW1V 3RZ

  26/05346/CLOPUD Submitted 6 Aug 2026 50 yards away

  84% historically approved · decision due ~1 Oct

  Installation of three painted timber sash windows within new openings to the rear elevation.

  Decided Lawful development Windows or glazing

• 103 St George's Square Mews London SW1V 3RZ

  26/01650/FULL Submitted 13 Mar 2026 50 yards away

  88% historically approved · decision due ~8 May

  Erection of a mansard roof extension and alterations to front and rear elevations.

  Awaiting decision Full applications Extension Loft or dormer 21 docs

• 103 St George's Square Mews London SW1V 3RZ

  26/01794/FULL Submitted 19 Mar 2026 50 yards away

  88% historically approved · decision due ~14 May

  Erection of mansard roof extension, first floor rear extension and roof terrace, alterations to front and rear elevations.

  Awaiting decision Full applications Extension Loft or dormer 22 docs

• Lower Ground Floor Flat 107 St George's Square London SW1V 3QP

  22/03617/FULL Submitted 31 May 2022 50 yards away

  Alterations to windows and doors and replacement paving finish to front lightwell steps.

  Granted Full applications Windows or glazing 25 docs

• Lower Ground Floor Flat 107 St George's Square London SW1V 3QP

  22/03618/LBC Submitted 31 May 2022 50 yards away

  Alterations to windows and doors, replacement paving finish to front lightwell steps and internal alterations at lower ground floor level.

  Granted Heritage and listed buildings Windows or glazing 25 docs

• Flat 12 89 - 91 St George's Square London SW1V 3QW

  25/06565/LBC Submitted 15 Sep 2025 50 yards away

  Replacement of the fifth floor terrace doors with bi-fold doors and the installation of additional roof insulation.

  Granted Heritage and listed buildings Windows or glazing 15 docs

• 26/07528/FULL Awaiting decision

  69 Eaton Place London SW1X 8DF

  Installation of new cast iron water pipe on rear courtyard elevation. (Linked with 26/07529/LBC)

  Received 5 Nov, published by the council 6 Nov 2026 Full applications
• 26/05200/FULL Decided

  1 The Court House 165 Seymour Place London W1H 4PU

  Installation of waterproofing system to the existing lead flat roofs

  Received 3 Aug, published by the council 28 Aug 2026 Full applications
• 26/07521/FULL Awaiting decision

  Flat 18 Harlequin Court 20 Tavistock Street London WC2E 7NZ

  Installation of one external condenser unit

  Received 4 Nov, published by the council 6 Nov 2026 Full applications
• 26/07508/FULL Awaiting decision

  Buckingham Palace The Mall London SW1A 1AA

  Replacement of existing security lighting to the Buckingham Palace Forecourt with 80 compact LED spotlights installed within the lantern clusters across 10 principal piers, with associated concealed cabling and reversible fixings. (Linked with 26/07509/LBC)

  Received 4 Nov, published by the council 5 Nov 2026 Full applications
• 26/07472/FULL Awaiting decision

  Flat 3 82 New Cavendish Street London W1G 9TA

  Replacement windows to second floor level with vacuum, double glazing windows. (Linked with 26/07473/LBC)

  Received 3 Nov, published by the council 6 Nov 2026 Full applications