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
Installation of new ventilation plant on the second floor roof of the Conservation Studios at the National Gallery and associated works.
As published by the council, reference 25/06611/FULL
Application record
- Reference
- 25/06611/FULL
- Type
- Full Planning Permission Application
- Status
- Decided
- Decision
- Granted As published: Application Permitted
- Received
- 16 Sep 2025
- Validated
- 16 Sep 2025
- Decided
- 30 Oct 2025
- 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 25 applications since 2022: 7 approved, 0 refused.
-
26/06597/LBC Awaiting decision
The National Gallery Trafalgar Square London WC2N 5DN
Refurbishment and repair of Room 9 including replacement of the existing fabric wall covering; removal and replacement of the existing timber flooring; cleaning, repair and conservation of existing Verde di Prato marble skirtings and door surrounds; repair and redecoration of the decorative plaster ceiling and cornice, including revisions to the existing gilding scheme; refurbishment of the existing rooflight and associated roof repairs; temporary removal and reinstatement of external louvre assemblies; and associated mechanical and electrical upgrades including concealed cornice uplighting, replacement lighting equipment and replacement/additional power outlets.
-
26/06130/ADV Decided
The National Gallery Trafalgar Square London WC2N 5DN
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.
-
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 Decided
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.
Timeline
Dates from the published record
-
16 Sep 2025
Received by Westminster
-
30 Oct 2025
Decision issued: Application Permitted
-
21 Jul 2026
Added to PlanIndex
Who's behind it
Company information only, from the register and Companies House
Purcell LLP Agent
240 applications on PlanIndex · across 45 councils · 99% granted
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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 30 October 2025, 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 full applications
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.
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The National Gallery Trafalgar Square London WC2N 5DN
Installation of new ventilation plant on the second floor roof of the Conservation Studios at the National Gallery and associated works.
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Replacement of existing external entrance doors at the St Martins Wing and Portico entrances of The National Gallery. (Linked to 26/02784/LBC)
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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)
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Granted Heritage and listed buildings 21 docs -
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