MOD Main Building Horse Guards Avenue London SW1A 2HB
Proposal
T6 - London Plane Reduce Specific Branch/Limb Reduce pictured limb to primary knuckle from approx. 12m to 5m to remove excess weight on limb. T8 - London Plane Crown Lift to Statutory Height Over path 2.5m, 5.2m Over Road
- Received
- 29 May 2026
- Target decision date
- 24 July 2026
- Council
- City of Westminster
- Ward
- St James's
- ReceivedSubmitted29 May
- ValidatedValidated29 May
- Consult.Consultation
- TargetTarget Date24 Jul
- DecidedDecided
This is a tree application at MOD Main Building Horse Guards Avenue London SW1A 2HB. Westminster has handled 989 applications of this type and approves nearly all of them, typically deciding them in 30 days. It was submitted on 29 May 2026 and is still awaiting a decision. The site is in the Whitehall conservation area, with 8 listed buildings nearby. There have been 3 other applications at this address. In the past year there have been 558 applications across St James's. We hold 1,240 applications in total for the SW1A postcode area.
Application Details
Applicant & Agent
Source: Westminster
Contains public sector information from the Planning London Datahub, licensed under the Open Government Licence v3.0.
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Planning history at this site
4 other applications at this property, newest first.
- 20255 Mar
Removal of graffiti from the external facades of the MOD Main Building.
ApprovedListed building consent25/01326/LBC - 20246 Mar
Details of cleaning trials pursuant to Condition 2 of Listed Building Consent dated 28 July 2023…
PendingListed building consent24/01456/ADLBC - 201727 Oct
Installation of air conditioning unit within basement courtyard with ductwork to enter through modified…
ApprovedListed building consent17/09547/LBC - 201523 Nov
Installation of replacement freestanding units to west side of the Pillared Hall of main building connected…
ApprovedListed building consent15/12154/LBC
Planning constraints
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 I: Ministry of Defence, Containing Sixteenth Century Undercroft and Historic Rooms Numbers 1…On this site · +1 more
- Article 4 direction: Article 4 Basement Development Permitted Rights Removed
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 2026-10-09. 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.
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).
- 1.1 miLondon
- 1.3 miLondonRTPI
- 1.5 miLondonRTPI
Nearest first, within 25 miles of the site. Every firm is listed free.
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