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Planning application

The National Gallery Trafalgar Square London WC2N 5DN

Awaiting decision Westminster 26/02533/ADLBC Approval of Details (ADLBC)

Works: Windows or glazing

Still open. Anyone can comment while the consultation period runs, and comments go to the council rather than to us.

Proposal

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 )

As published by the council, reference 26/02533/ADLBC

Application record

Reference
26/02533/ADLBC
Type
Approval of Details (ADLBC)
Status
Pending
Received
15 Apr 2026
Validated
15 Apr 2026
Ward
St James's
Postcode
WC2N 5DN

Site history

Applications at this address on the Westminster register

This site has had 23 applications since 2022: 6 approved, 0 refused.

  • 26/06130/ADV Awaiting decision

    The National Gallery Trafalgar Square London WC2N 5DN

    Display of no illuminated hoarding 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.

    Submitted 8 Sep 2026 Advertising
  • 26/04136/LBC Decided

    The National Gallery Trafalgar Square London WC2N 5DN

    Installation of external condenser units within the western lightwell adjacent to Jubilee Walk at the National Gallery and associated works.

    Submitted 23 Jun 2026 Heritage and listed buildings
  • 26/04135/FULL Decided

    The National Gallery Trafalgar Square London WC2N 5DN

    Installation of external condenser units within the western lightwell adjacent to Jubilee Walk at the National Gallery and associated works.

    Submitted 23 Jun 2026 Full applications
  • 26/03249/FULL Awaiting decision

    The National Gallery Trafalgar Square London WC2N 5DN

    Introduction of extract ventilation at high level within the clerestory, requiring adjustment of modern glazing, introduction of new plant in the rooftop R184 plant room and associated ductwork within the existing roof void, external wall insulation within the Orange Street loading bay to the north wall of Gallery 31, replacement of existing internal louvres with external solar shading fins, modifications and extension of the existing 1980s over-roof structure and replacement of the existing glazing in the over-roofs, replacement of existing lead walkway to perimeter of roofs with new roof membrane, new guarding at roof level, new external metal gantry at the north wall for access to plant equipment. (Linked to 26/03250/LBC)

    Submitted 18 May 2026 Full applications
  • 26/03250/LBC Awaiting decision

    The National Gallery Trafalgar Square London WC2N 5DN

    Refurbishment works to the Galleries 30 and 31 in the Wilkins Building of the National Gallery including removal of the existing floor grilles and replacement with new cast-iron grilles flush to the adjacent floors, to match adjacent gallery spaces, removal of the existing modern timber floor in Gallery 30 and replacement in new timber boards to match adjacent galleries, refurbishment of remaining floor finishes and stone skirtings, renewal of fabric wall coverings, redecoration of the plaster cornice and coving based on the original design, introduction of extract ventilation at high level within the clerestory, requiring adjustment of modern glazing, introduction of new plant in the rooftop R184 plant room and associated ductwork within the existing roof void for supply and extract ventilation and air conditioning, external wall insulation within the Orange Street loading bay to the north wall of Gallery 31, replacement of existing internal louvres with external solar shading fins, modifications and extension of the existing 1980s over-roof structure and replacement of the existing glazing in the over-roofs, replacement of existing lead walkway to perimeter of roofs with new roof membrane, new guarding at roof level, adjustments to gallery lighting internally and new environmental lighting within the roof void, new external metal gantry at the north wall for access to plant equipment. (Linked to 26/03249/FULL)

    Submitted 18 May 2026 Heritage and listed buildings
  • 26/02901/LBC Awaiting decision

    The National Gallery Trafalgar Square London WC2N 5DN

    Reconfiguration and refurbishment of cafe and restaurant WC facilities within the Wilkins Building.

    Submitted 1 May 2026 Heritage and listed buildings
  • 26/02784/LBC Awaiting decision

    The National Gallery Trafalgar Square London WC2N 5DN

    Replacement of existing external entrance doors at the St Martins Wing and Portico entrances of The National Gallery. (Linked to 26/02783/FULL)

    Submitted 27 Apr 2026 Heritage and listed buildings
  • 26/02783/FULL Awaiting decision

    The National Gallery Trafalgar Square London WC2N 5DN

    Replacement of existing external entrance doors at the St Martins Wing and Portico entrances of The National Gallery. (Linked to 26/02784/LBC)

    Submitted 27 Apr 2026 Full applications
  • 26/02488/NMA Awaiting decision

    The National Gallery Trafalgar Square London WC2N 5DN

    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.

    Submitted 15 Apr 2026 Amendments
  • 26/02487/ADFULL Awaiting decision

    The National Gallery Trafalgar Square London WC2N 5DN

    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)

    Submitted 15 Apr 2026 Full applications

Timeline

Dates from the published record

  1. 15 Apr 2026

    Received by Westminster

  2. 21 Jul 2026

    Added to PlanIndex

  3. Decision

    Awaiting decision

    Decision expected by 10 June 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 65 days over the applications it decided in the last year.

Who's behind it

Company information only, from the register and Companies House

The Planning Lab Agent, a planning consultancy

178 applications on PlanIndex · across 15 councils · 100% granted

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See their track record

Documents

Plans, drawings, consultee responses and the officer's report

48 documents on file for this application

A planning file usually holds the application form, drawings and site plans, consultee responses, the officer's report and the decision notice.

Watch members (£5 a month) open the document list from here.

Open the documents

What happens while it is decided

This application is with Westminster for determination, against a statutory target of eight weeks. Over the last year Westminster decided condition discharge and variation applications in a median of 42 days. More in our guide to how long planning decisions take.

About condition discharge and variation applications

This application deals with conditions on an existing permission, supplying the details a condition requires or asking to vary or remove one, without reopening the permission itself. More in our guide to planning application types.

Nearby applications

Within 0.3 miles

  • The National Gallery Trafalgar Square London WC2N 5DN

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

    87% 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

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

    87% 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

    84% historically approved · decision due ~10 Nov

    Display of no illuminated hoarding 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.

    Awaiting decision Advertising
  • The National Gallery Trafalgar Square London WC2N 5DN

    26/02490/ADV Submitted 15 Apr 2026 50 yards away

    84% historically approved · decision due ~10 Jun

    Display of an internally illuminated digital screen measuring 1.26m x 0.73m.

    Awaiting decision Advertising 15 docs
  • The National Gallery Trafalgar Square London WC2N 5DN

    26/02489/LBC Submitted 15 Apr 2026 50 yards away

    90% historically approved · decision due ~10 Jun

    Minor amendments to approved scheme including adaptation to doors, stud wall linings, floor, integrated joinery, WCs and accessible facilities in Sainsbury Wing and Wilkins Building, including minor changes to services; new fixings for internal signage and lighting; removal of existing lighting pendent and installation of lighting track; replacement gate panels in the loggia; realignment of decorative columns in the shop and replacement of fanlight in the Sainsbury Wing; adaptation of window and sill and new opening in west wall of the entrance lobby in Wilkins; carved lettering above the entrances to the education centre and the research centre; replacement entrance doors at the education centre.

    Awaiting decision Heritage and listed buildings Windows or glazing 251 docs

In Westminster

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    New Zealand House 80 Haymarket London SW1Y 4TE

    Details of external and internal signage strategy pursuant to Condition 7(E) of listed building consent dated 12th February 2021 (RN: 19/07816/LBC)

    Received 20 Jul, published by the council 1 Aug 2026 Conditions
  • 26/04843/ADLBC Granted

    New Zealand House 80 Haymarket London SW1Y 4TE

    Detailed design and specification of new blinds to NZH based on mock-up trials on-site pursuant to Condition 6(m) of listed building consent dated 12th February 2021 (19/07816/LBC).

    Received 20 Jul, published by the council 1 Aug 2026 Conditions
  • 26/05026/ADLBC Awaiting decision

    St James's Park The Mall London SW1A 1AA

    Details of method statement for re-carving works pursuant to condition 3(i) of listed building consent dated 16 July 2026 (RN: 26/03399/LBC)

    Received 27 Jul, published by the council 4 Aug 2026 Conditions
  • 26/04850/ADLBC Awaiting decision

    17 Belgrave Square London SW1X 8PG

    Detailed drawings of garage doors, roof lantern and any new lighting and flooring in the principal rooms pursuant to condition 6 (iii) (iv) (v) of listed building 18th August 2025 (RN:25/03417/LBC)

    Received 20 Jul, published by the council 1 Aug 2026 Conditions
  • 25/07120/ADLBC Granted

    72 - 74 Lancaster Gate London W2 3NH

    Details of new and altered doors and door architraves, including external faces of lifts (detailed elevations and sections at 1:10) pursuant to Condition 3 (A) of Listed Building Consent dated 14 December 2023 (RN: 23/00772/LBC) (Linked app: 25/07088/ADFULL)

    Received 2 Oct, published by the council 21 Jul 2026 Conditions