Pitch 1714 St Martin's Place London WC2N 5DN

1. 28 Oct 2025

   Received by Westminster

2. 17 Feb 2026

   Decision issued: Application Permitted

3. 21 Jul 2026

   Added to PlanIndex

Westminster granted permission on 17 February 2026, subject to any conditions on the decision notice. Work must normally begin within three years or the permission lapses. 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.

• The National Gallery Trafalgar Square London WC2N 5DN

  22/04872/NMA Submitted 19 Jul 2022 50 yards away

  Amendments to planning permission dated 21st May 2021 (RN: 20/06529/COFUL) for Installation of hostile vehicle mitigation security bollards and raising of the height of the perimeter wall of the National Gallery namely, the reinstatement of the granite border behind the proposed wall.

  Granted Amendments 5 docs

• The National Gallery Trafalgar Square London WC2N 5DN

  26/01120/ADFULL Submitted 23 Feb 2026 50 yards away

  88% historically approved · decision due ~20 Apr

  Details of written scheme of investigation addendum for Phase 2, archaeological investigations pursuant to Condition 12 of planning permission dated 19th December 2022 (22/04894/FULL)

  Awaiting decision Full applications 10 docs

• The National Gallery Trafalgar Square London WC2N 5DN

  26/02488/NMA Submitted 15 Apr 2026 50 yards away

  93% historically approved · decision due ~10 Jun

  Amendments to planning permission dated 19th December 2022 (RN:22/04894/FULL) for Remodelling of external gates, replacement glazing and adaption and enclosure of the loggia of the Sainsbury Wing. External alterations to the Wilkins Building, including alterations and part removal of railings, lawn and wall, with new entrance on Trafalgar Square to the Research Centre and Members Room. New basement link under Jubilee Walk, including excavation. Public realm works to the north of Trafalgar Square and Jubilee Walk, including new paving, benches, bollards and planting. New window and external alterations to Pigott Education Centre on Orange Street. Namely, relating to internal changes in the Wilkins building, access improvements, minor changes to layout, fire safety works; amends to means and doors and floors; most internal and some external including plant and lightwells; CCTV and refurbishment of windows.

  Awaiting decision Amendments Windows or glazing 117 docs

• The National Gallery Trafalgar Square London WC2N 5DN

  26/02533/ADLBC Submitted 15 Apr 2026 50 yards away

  89% historically approved · decision due ~10 Jun

  Detailed drawings (at scale 1:10 unless otherwise agreed in writing) materials of the following parts of the development within the interior of the Sainsbury Wing, walls, ceilings and details of the all new CCTV and details of the following parts of the development within the interior of the Wilkins Building cornices, skiting, architraves and doors, both those which are intended to be traditional replicas and contemporary additions, general interior finishes, builder's work and other servicing openings and details of the new staircase within the Wilkins Building and details of the new windows to the Wilkins Building (elevations and sections scaled 1:10) pursuant to condition of listed building dated 8th November 2024 (RN:24/06076/LBC )

  Awaiting decision Conditions Windows or glazing 48 docs

• The National Gallery Trafalgar Square London WC2N 5DN

  26/02487/ADFULL Submitted 15 Apr 2026 50 yards away

  88% historically approved · decision due ~10 Jun

  Details of the all new CCTV and details of the new windows to the Wilkins Building (elevations and sections scaled 1:10) pursuant to condition 6 (iii) and 7 of planning permission dated 19th December 2022 (RN:22/04894/FULL)

  Awaiting decision Full applications Windows or glazing 48 docs

• The National Gallery Trafalgar Square London WC2N 5DN

  26/06130/ADV Submitted 8 Sep 2026 50 yards away

  82% historically approved · decision due ~10 Nov

  Display of non illuminated hoarding advertisements measuring 12.5m X 3.6m, 6.6m X 3.6m, 12.6m X 3.6m, 12.6m X 3.6m and 7.8m X 3.6m along Jubilee Walk and part of the northern terrace.

  Decided Advertising

• 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