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13 - 16 Carlton House Terrace London SW1Y 5AH

26/04945/FULLApproved

Approved on 4 September 2026

Council decision: Application Permitted

Site boundary (council red line)

Proposal

Installation of metal window bars and gates to the lightwells at 13- 16 Carlton House Terrace. (Linked to 26/04946/LBC)

Received
23 July 2026
  1. Received23 Jul
  2. Validated23 Jul
  3. Consult.
  4. Target
  5. Decided4 Sep

Decided in 43 days

About this application

This is a planning application for window replacement at 13 - 16 Carlton House Terrace London SW1Y 5AH. Westminster has handled 27,108 applications of this type. This one was decided in 43 days, 6 days quicker than Westminster's typical decision time. The site is in the St James's conservation area, with 11 listed buildings nearby. There have been 5 other applications at this address. We hold 969 applications in total for the SW1Y postcode area.

Application details

Postcode
SW1Y 5AH

Planning application dates

Date validated
23 July 2026

Additional information

Documents
28

Site constraints

Checking the site
2/3
Council recordsAppealsFlood risk

Designations that overlap or adjoin the site outline.

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
    23 Jul

    Installation of metal window bars and gates to the lightwells at 13- 16 Carlton House Terrace. (Linked to…

    This applicationApprovedApplication26/04945/FULL
  2. 2026
    23 Jul

    Installation of metal window bars and gates to the lightwells at 13- 16 Carlton House Terrace. (Linked to…

    ApprovedListed building consentPart of26/04946/LBC

Source: Westminster

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

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