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National Portrait Gallery 2 St Martin's Place London WC2H 0HE

25/09293/LBCApproved

Approved on 14 April 2026

Site boundary (council red line)

Proposal

Installation of air source heat pumps and associated roof level alterations and internal pipework.

Submitted
23 December 2025
  1. Received23 Dec
  2. Validated
  3. Consult.
  4. Target
  5. Decided14 Apr

Decided in 112 days

About this application

This is a planning application at National Portrait Gallery 2 St Martin's Place London WC2H 0HE. Westminster has handled 27,078 applications of this type. This one was decided in 112 days, 9 weeks longer than Westminster's typical decision time. The site is in the Trafalgar Square conservation area, with 10 listed buildings nearby. There have been 5 other applications at this address. We hold 478 applications in total for the WC2H postcode area.

Application details

Postcode
WC2H 0HE

Site constraints

Checking the site
2/3
Council recordsAppealsFlood risk

Designations that overlap or adjoin the site outline.

  • Conservation area: Trafalgar Square
  • Listed building: Grade I: National Portrait GalleryOn this site · +3 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 (21)

flood storage areas, 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.

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

© Environment Agency copyright and/or database right 2026. All rights reserved. Flood Map for Planning, Open Government Licence v3.0.

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

  1. 2026
    15 May

    Erection of temporary scaffold within loading bay to deliver the proposals permitted under 25/09292/FULL

    ApprovedCert of Law - Prposed works to LBRelated26/03245/CLLB
  2. 2025
    23 Dec

    Installation of air source heat pumps and associated roof level alterations.

    ApprovedApplicationFiled alongside25/09292/FULL
  3. 2025
    23 Dec

    Installation of air source heat pumps and associated roof level alterations and internal pipework.

    This applicationApprovedListed building consent25/09293/LBC

Planning history at this site

9 other applications at this property, newest first.

  1. 2026
    4 Nov

    Modification of selected window joinery at Second Floor North galleries and First Floor Weston Wing galleries…

    PendingListed building consent26/07522/LBC
  2. 2026
    5 Jan

    Details of photographic sample/s of new stonework for: (a) the new sections of plinth, and (b) indent…

    ApprovedDischarge of conditions25/09262/ADFULL
  3. 2025
    22 Dec

    Details of photographic sample/s of new stonework for: (a) the new sections of plinth, and (b) indent…

    ApprovedListed building consent25/09218/ADLBC
  4. 2025
    23 Jun

    Alterations to existing railings to Weston Wing entrance and associated works.

    ApprovedListed building consent25/04256/LBC
  5. 2025
    23 Jun

    Alterations to existing railings to Weston Wing entrance and associated works.

    ApprovedListed building consent25/04255/FULL
  6. 2025
    22 Apr

    Display of five non-illuminated railing mounted marketing boards measuring 140cm x 69cm, one non-illuminated…

    ApprovedAdvertisement consent25/02746/ADV

Source: Westminster

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

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