The National Gallery Trafalgar Square London WC2N 5DN

26/02488/NMAApproved

Approved on 9 June 2026

Council decision: Application Permitted

Site boundary (council red line)

Proposal

Amendments to planning permission dated 19 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, to allow internal alterations in the Wilkins Building, and some external alterations including CCTV and refurbishment of windows.

Received: 15 April 2026
Council: City of Westminster

ReceivedReceived15 Apr
ValidatedValidated15 Apr
Consult.Consultation
TargetTarget Date
DecidedDecided9 Jun

Decided in 55 days

About this application

This is a planning application for window replacement at The National Gallery Trafalgar Square London WC2N 5DN. Westminster has handled 27,078 applications of this type. This one was decided in 55 days, 6 days longer than Westminster's typical decision time. The site is in the Trafalgar Square conservation area, with 13 listed buildings nearby. There have been 25 other applications at this address. We hold 300 applications in total for the WC2N postcode area.

Application details

Postcode: WC2N 5DN

Planning application dates

Date validated: 15 April 2026

Site constraints

Checking the site

2/3

Council recordsAppealsFlood risk

Designations that overlap or adjoin the site outline.

Conservation area: Trafalgar Square
Listed building: National Portrait Gallery 2 St Martin's Place London WC2H 0HEOn or next to this site · +1 more
Article 4 direction: Article 4 Basement Development Permitted Rights Removed+1 more
Flood zone 1: Low probability (rivers and sea)

Also checked, none recorded (22)

flood storage areas, listed buildings, tree preservation orders, green belt, scheduled monuments, World Heritage Sites, World Heritage Site buffer zones, registered parks and gardens, registered battlefields, Heritage at Risk entries, nutrient neutrality catchments, national parks, National Landscapes, SSSIs, Special Areas of Conservation, Special Protection Areas, Ramsar sites, ancient woodland, national nature reserves, local nature reserves, heritage coasts and brownfield registers.

A guide only, from official open data; it is not a planning search. Flood zones cover rivers and sea, not surface water.

Data © Crown copyright and others · sources and licences

Contains public sector information from planning.data.gov.uk (MHCLG and local planning authorities), licensed under the Open Government Licence v3.0. © Crown copyright and database right 2026.

© Historic England 2026. Contains Ordnance Survey data © Crown copyright and database right 2026. The Historic England GIS Data contained in this material was obtained on 2026-11-03. The most publicly available up to date Historic England GIS Data can be obtained from HistoricEngland.org.uk.

Contains Ordnance Survey data © Crown copyright and database right 2026.

Source: Office for National Statistics licensed under the Open Government Licence v.3.0. Contains OS data © Crown copyright and database right 2026.

Associated applications

2026
15 Apr
Amendments to planning permission dated 19 December 2022 (RN: 22/04894/FULL
This applicationApprovedNon-material amendment26/02488/NMA
2026
15 Apr
External and internal alterations, including remodelling of external gates, replacement glazing and adaption…
ApprovedListed building consentFiled alongside26/02489/LBC
2026
15 Apr
Display of an internally illuminated digital screen measuring 1.26m x 0.73m.
ApprovedAdvertisement consentFiled alongside26/02490/ADV

Planning history at this site

20 other applications at this property, newest first.

Source: Westminster

Contains public sector information from the Planning London Datahub, licensed under the Open Government Licence v3.0.

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