Planning application
The National Gallery Trafalgar Square London WC2N 5DN
Permission granted. Work must normally begin within three years of the decision or the permission lapses.
Proposal
Internal alterations at Level -1 of the Sainsbury Wing to reconfigure back-of-house service accommodation, including enlargement of the existing events pantry, formation of a dedicated dishwashing facility, provision of a new janitors cupboard, and installation of a discreet sliding storage wall within the lift lobby.
As published by the council, reference 26/00257/LBC
Application record
- Reference
- 26/00257/LBC
- Type
- Listed Building Consent Application
- Status
- Decided
- Decision
- Granted As published: Application Permitted
- Received
- 16 Jan 2026
- Validated
- 16 Jan 2026
- Decided
- 9 Apr 2026
- Ward
- St James's
- Decision by
- Delegated Decision
- 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.
-
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.
-
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.
-
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)
-
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)
-
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.
-
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)
-
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)
-
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.
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26/02533/ADLBC Awaiting decision
The National Gallery Trafalgar Square London WC2N 5DN
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 )
Timeline
Dates from the published record
-
16 Jan 2026
Received by Westminster
-
9 Apr 2026
Decision issued: Application Permitted
-
20 Jul 2026
Added to PlanIndex
Who's behind it
Company information only, from the register and Companies House
3 10 Studio Ltd Agent, registered in Bristol
Active · incorporated 2014 · Bristol
7 applications on PlanIndex · across 3 councils
Trade members see everything this firm has filed, how it was decided, and get an email the day it files again.
See their track recordDocuments
Plans, drawings, consultee responses and the officer's report
21 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.
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Open the documentsWhat this grant of permission means
Westminster granted permission on 9 April 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.
About heritage and listed building applications
Listed building consent is needed for works that affect the special interest of a listed building, and carrying out such works without it is a criminal offence. More in our guide to planning application types.
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