Planning Application for 1, Horse Guards Road, SW1A 2HQ. Westminster (26/06819/FULL)

About this application

This is a planning application at 1, Horse Guards Road, SW1A 2HQ. Westminster has handled 1,741 applications of this type. It has been with the council since 6 October 2026 and is still awaiting a decision. The site is in the Whitehall conservation area, with 6 listed buildings nearby. There have been 5 other applications at this address. In the past year there have been 270 applications across SJW_22. We hold 1,261 applications in total for the SW1A postcode area.

92% of all other applications at City of Westminster were approved. Across all application types, the council typically decides in about 7 weeks (median).

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Application details

Postcode: SW1A 2HQ
Application type: All Other

Site constraints

Checking the site

2/3

Council recordsAppealsFlood risk

Designations that overlap or adjoin the site outline.

Flood zone 3: High probability (rivers and sea)Part of the site
Conservation area: Whitehall
Listed building: Grade II*: New Government Offices (HM Treasury) and archway link with Foreign Office at east end of…On this site · +2 more
Article 4 direction: Article 4 Basement Development Permitted Rights Removed
Registered park and garden: St James'S ParkPart of the site
Brownfield land register: 8-10 Great George Street, London, SW1P 3AERegister site at or near this address

Also checked, none recorded (19)

flood storage areas, tree preservation orders, green belt, scheduled monuments, World Heritage Sites, World Heritage Site buffer zones, 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 and heritage coasts.

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
6 Oct
Please refer to the drawings and Design & Access Statement provided via email to WCC. (Linked with…
This applicationPendingAll Other26/06819/FULL
2026
6 Oct
Please refer to the drawings and Design & Access Statement provided via email to WCC (Linked with…
PendingListed building consentPart of26/06820/LBC

Planning history at this site

15 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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For applicants and trades

Before the decision

You may need a flood risk assessment. Drainage & flood risk consultants near this site

The site is in flood zone 3 (Environment Agency).

Price & Myers LLP
1.3 miLondon
Adrian Salt And Pang Limited
1.7 miLONDON
RTPI
Eckersley O'Callaghan Limited
1.9 miLondon

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