1 Horse Guards Road London SW1A 2HQ

25/09098/LBCListed Building Consent ApplicationApproved

Listed building consent

Approved on 19 March 2026

Council decision: Application PermittedDelegated (officer decision)

Site boundary (council red line)

Proposal

Listed building consent for internal alterations across EP1.

Received: 16 December 2025
Decision level: Delegated (officer decision)
Public comments: 1
Council: City of Westminster
Ward: St James's
Agent: Feilden+Mawson Group Ltd

ReceivedReceived16 Dec
ValidatedValidated16 Dec
Consult.Consultation
TargetTarget Date10 Feb
DecidedDecided19 Mar

Decided in 93 days (council typically 49)

About this application

This is a heritage application at 1 Horse Guards Road London SW1A 2HQ. Westminster has handled 2,677 applications of this type. This one was decided in 93 days, 6 weeks longer than Westminster's typical decision time. The site is in the Whitehall conservation area, with 6 listed buildings nearby. There have been 20 other applications at this address. In the past year there have been 478 applications across St James's. We hold 1,261 applications in total for the SW1A postcode area.

93% of heritage applications at City of Westminster were approved. Across all application types, the council typically decides in about 7 weeks (median).

Based on decided applications received in the last 3 years.See what's approved near your address

Application details

Postcode: SW1A 2HQ
Application type: Listed Building Consent Application
Scale / size: Small

Planning application dates

Date validated: 16 December 2025
Consultation expiry: 18 March 2026
Target decision date: 10 February 2026

Applicant and agent

Agent: Feilden+Mawson Group Ltd
Agent address: 21-27 Lambs Conduit Street London WC1N 3NL United Kingdom

Planning decision

Statutory period: 56 days

Publicity

Last advertised: 25 February 2026
Advertisement expiry: 18 March 2026

Additional information

Planning Portal ID: PP-14556925
Documents: 1

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.

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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