Parliamentary Estate Parliament Street London SW1A 2NU
Approved on 5 August 2026
Boundary © HM Land Registry, © Ordnance Survey · details
This information is subject to Crown copyright and database rights 2026 and is reproduced with the permission of HM Land Registry. The polygons (including the associated geometry, namely x, y co-ordinates) are subject to Crown copyright and database rights 2026 Ordnance Survey AC0000851063. Conditions of use.
Proposal
Amendments to planning permission dated 17 July 2026 (RN: 26/03093/FULL) for excavation of trial trenches within and adjacent to the Northern Parliamentary Estate. (Linked with 26/03094/LBC); NAMELY, to reposition and alter six trial trenches.
- Submitted
- 29 July 2026
- Council
- City of Westminster
- ReceivedSubmitted29 Jul
- ValidatedValidated
- Consult.Consultation
- TargetTarget Date
- DecidedDecided5 Aug
Decided in 7 days
About this application
This is a planning application at Parliamentary Estate Parliament Street London SW1A 2NU. Westminster has handled 27,108 applications of this type. This one was decided in 7 days, 6 weeks quicker than Westminster's typical decision time. The site is in the Whitehall conservation area, with 19 listed buildings nearby. There have been 4 other applications at this address. We hold 1,263 applications in total for the SW1A postcode area.
Application details
- Postcode
- SW1A 2NU
Site constraints
Designations that overlap or adjoin the site outline.
- Flood zone 3: High probability (rivers and sea)Part of the site
- Conservation area: Whitehall
- 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 2026-11-03. 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
- 202629 Jul
Amendments to planning permission dated 17 July 2026 (RN: 26/03093/FULL
This applicationApprovedNon-material amendment26/05113/NMA - 202611 May
Excavation of trial trenches within and adjacent to the Northern Parliamentary Estate. (Linked with…
ApprovedFull Planning Permission ApplicationPart of26/03093/FULL - 202611 May
Excavation of trial trenches within and adjacent to the Northern Parliamentary Estate. (Linked with…
ApprovedListed building consentPart of26/03094/LBC
Planning history at this site
6 other applications at this property, newest first.
- 202623 Apr
Installation of a borehole and associated works, including plant and pipework, with internal basement…
ApprovedListed building consent26/02700/LBC - 202623 Apr
Installation of a borehole and associated works, including plant and pipework, with internal basement…
ApprovedFull Planning Permission Application26/02699/FULL - 20252 Apr
Installation of electrical equipment - Roof
ApprovedListed building consent25/02252/LBC - 20253 Feb
Installation of electrical equipment.
ApprovedListed building consent25/00719/LBC - 20178 Nov
Internal alterations to include oak flooring to seating areas.
ApprovedListed building consent17/09969/LBC - 20072 Jan
Installation of telecommunications equipment unit fixed to lamp post.
ApprovedApplic. to determine telecom. equipment07/00151/TELCOM
Source: Westminster
Contains public sector information from the Planning London Datahub, licensed under the Open Government Licence v3.0.
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Around this site
Nearby applications
- 1 Parliament Street London SW1A 2NE07/03999/LBC · HeritageApproved0.0 mi
- Parliamentary Estate Parliament Street London SW1A 2NU26/02699/FULL · FullApproved0.0 mi
- Parliamentary Estate Parliament Street London SW1A 2NU26/02700/LBC · HeritageApproved0.0 mi
- Parliamentary Estate Parliament Street London SW1A 2NU26/03093/FULL · FullApproved0.0 mi
- 1 Parliament Street London SW1A 2NE25/02252/LBC · HeritageApproved0.0 mi
For applicants and trades
Contractors near this project
- Avent Roofing ServicesVerifiedWestminsterRoofing0.8 mi
- Atlas South Technical Service LimitedVerifiedLondonProperty MaintenanceHandyman1.7 mi
- Orient Construction Consultancy LimitedVerifiedLondon3.9 mi
- Nova Coat & PlasterVerifiedStreatham, LondonRenovations & RefurbishmentsPlastering4.4 mi
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