The Dukes 34 - 38 St James's Place London SW1A 1NS

This site has had 3 applications since 2025.

• 26/03071/FULL Awaiting decision

  The Dukes 34 - 38 St James's Place London SW1A 1NS

  External alterations including external handrails and lighting to the main entrance step, new plant in the lightwell and roof level, new lifting platform from basement to street level and ductwork from fifth floor up to roof.

  Submitted 11 May 2026 Full applications
• 25/06407/FULL Awaiting decision

  The Dukes 34 - 38 St James's Place London SW1A 1NS

  Excavation of lift pit at basement level. 37 - 38 St James's Place

  Submitted 8 Sep 2025 Full applications

1. 26 Aug 2026

   Received by Westminster

2. 1 Sep 2026

   Added to PlanIndex

3. Decision

   Awaiting decision

   Decision expected by 21 October 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 91 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 119 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.

• First And Second Floor 46 St James's Place London SW1A 1NS

  02/05798/AD7 Submitted 26 Jul 2002 50 yards away

  Display for a temporary period of six months of a non-illuminated 'to let' board located on the face of the building at a height of between 3.0m and 4.6m above pavement level and measuring 0.6m x 0.9m.

  Granted Advertising 2 docs

• 45 St James's Place London SW1A 1NS

  19/03530/LBC Submitted 9 May 2019 50 yards away

  Replacement of the existing air conditioning on the rear elevation. (Linked to 19/03529/FULL)

  Granted Heritage and listed buildings 12 docs

• 45 St James's Place London SW1A 1NS

  19/03528/ADLBC Submitted 9 May 2019 50 yards away

  Details of method statement and full details for works and repairs to the roof pursuant to condition 7(ii) of planning permission dated 08 March 2018 (RN: 17/09877/LBC).

  Granted Conditions 11 docs

• 46 St James's Place London SW1A 1NS

  04/09950/AD7 Submitted 16 Dec 2004 50 yards away

  Display for a temporary period of six months of a non-illuminated 'to let'/ 'for sale' board located on the face of the building at a height of between 3m and 4.6m above pavement level and measuring 0.6m x 0.9m.

  Granted Advertising 3 docs

• 42 St James's Place London SW1A 1NS

  19/00649/FULL Submitted 28 Jan 2019 50 yards away

  External alterations to roof including, installation of new building services, repairs as required to clay tile pitched, and lead flat roof finishes, insulation, and flashings, remove or alter upstands to receive new skylight and access hatch, repair or replace existing safety railing for emergency escape protection, proposed replacement AC condensor units and satellite dish. (Linked to 19/00650/LBC)

  Granted Full applications 88 docs

• 46 St James's Place London SW1A 1NS

  04/09742/AD7 Submitted 9 Dec 2004 50 yards away

  Display for a temporary period of six months of a non-illuminated 'to let' board located on the face of the building at a height of between 3m and 4.6m above pavement level and measuring 1.2m x 0.9m.

  Granted Advertising 3 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