Admiralty Arch The Mall London SW1A 2WH
Approved on 2 April 2026
Council decision: Application PermittedDelegated (officer decision)
Proposal
Amendments to the oval stair including the lighting, handrail height and ground floor lobby door; stair 6 handrail height alterations; existing external door alterations; amendments to lightwell access strategy; and details for the South Block Atriums.
- Received
- 6 January 2026
- Decision level
- Delegated (officer decision)
- Public comments
- 1
- Council
- City of Westminster
- Ward
- St James's
- Agent
- DP9 Ltd
- ReceivedReceived6 Jan
- ValidatedValidated6 Jan
- Consult.Consultation
- TargetTarget Date3 Mar
- DecidedDecided2 Apr
Decided in 86 days (council typically 49)
About this application
This is a heritage application at Admiralty Arch The Mall London SW1A 2WH. Westminster has handled 2,677 applications of this type. This one was decided in 86 days, 5 weeks longer than Westminster's typical decision time. The site is in a conservation area, with 8 listed buildings nearby. There have been 21 other applications at this address. In the past year there have been 478 applications across St James's. We hold 1,263 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 2WH
- Application type
- Listed Building Consent Application
- Scale / size
- Small
Planning application dates
- Date validated
- 6 January 2026
- Consultation expiry
- 1 April 2026
- Target decision date
- 3 March 2026
Applicant and agent
- Agent
- DP9 Ltd
- Agent address
- 100 Pall Mall London SW1Y 5NQ United Kingdom
Planning decision
- Statutory period
- 56 days
Publicity
- Last advertised
- 11 March 2026
- Advertisement expiry
- 1 April 2026
Additional information
- Planning Portal ID
- PP-14516080
- Documents
- 59
Site constraints
Designations that overlap or adjoin the site outline.
- Conservation area: Trafalgar Square
- Listed building: Grade I: Admiralty Arch, First Sea Lord'S Residence and Offices, Balustrades and StepsOn or next to this site
- Article 4 direction: Article 4 Basement Development Permitted Rights Removed
- Brownfield land register: Admiralty Arch The Mall London SW1A 2DYRegister site at or near this address · +1 more
- Flood zone 1: Low probability (rivers and sea)
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.
© 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
- 202612 Jan
Details of works to existing fireplaces and new fireplaces pursuant to condition 4 (xv) of listed building…
ApprovedListed building consentFiled alongside26/00147/ADFULL - 20266 Jan
Amendments to the oval stair including the lighting, handrail height and ground floor lobby door; stair 6…
This applicationApprovedListed building consent26/00055/LBC
Planning history at this site
20 other applications at this property, newest first.
- 202624 Sep
Amendments to planning permission dated 06 January 2025 (RN:24/03757/FULL
PendingNon-material amendment26/06556/NMA - 202624 Sep
Addition of roof parasols, canopies, and a semi enclosed weather proofing system with retractable roof and…
PendingListed building consent26/06555/LBC - 202624 Sep
Addition of roof parasols, canopies, and a semi enclosed weather proofing system with retractable roof and…
PendingAll Other26/06554/FULL - 202623 Jul
Details of internal lighting to principal rooms of North Block pursuant to Condition 4 (xii) of listed…
ApprovedListed building consent26/04932/ADLBC - 202623 Jul
Detailed photographs of the facing materials you will use, including glazing, and elevations and roof plans…
ApprovedListed building consent26/04939/ADLBC - 202623 Jul
Details of a supplementary acoustic report pursuant to conditoin 14 of planning permission dated 6th January…
ApprovedApplication26/04923/ADFULL - 202623 Jul
Details of the lift doors pursuant to condition 15 of listed building consent dated 21st May 2025 (RN…
ApprovedListed building consent26/04933/ADLBC - 202621 Jul
Details of Servicing and Operational Management Plan for the hotel; pursuant to condition 5 of planning…
ApprovedDischarge of conditions26/04871/ADFULL - 202621 Jul
Details of the ventilation system for the fifth floor restaurant pursuant to condition 28 of planning…
ApprovedApplication26/04863/ADFULL - 202622 Jun
Details of works of restoration and repair to windows and doors pursuant to condition 2 (part) of listed…
ApprovedDischarge of conditions26/04116/ADLBC - 20268 Jun
Detailed drawings of a hard and soft landscaping scheme which includes the number, size, species and position…
ApprovedDischarge of conditions26/02854/ADFULL - 20268 Jun
Details of the design, layout and operation of the setting down and picking up facility for non-hotel guests…
ApprovedDischarge of conditions26/02853/ADFULL - 202617 Apr
Detailed drawings of the new external signage pursuant to condition 4 (Part XIX) of listed building consent…
ApprovedListed building consent26/02567/ADLBC - 202631 Mar
Details of the layout of the residential units pursuant to condition 26 of planning permission dated 16th…
PendingDischarge of conditions26/02146/ADFULL - 202631 Mar
Details of drawings of the extension and alterations of main oval staircase pursuant to Condition 4 (ii) of…
ApprovedDischarge of conditions26/02145/ADLBC - 202621 Jan
Details of The new external timber panelled doors to the restaurant and glazed fan light; The new fire escape…
ApprovedDischarge of conditions26/00339/ADFULL - 202620 Jan
Details of cycle parking for the residential unit(s) pursuant condition 28 of planning permission dated 16…
ApprovedDischarge of conditions26/00317/ADFULL - 202620 Jan
Details of rooftop perimeter railings, pursuant condition 22(viii) of planning permission dated 16th June…
ApprovedDischarge of conditions26/00316/ADFULL - 202620 Jan
Details of rooftop terrace boundary treatment and furniture pursuant to Condition 18 of planning permission…
RefusedDischarge of conditions26/00313/ADFULL - 202620 Jan
Details of rooftop terrace boundary treatment and furniture pursuant to Condition 16 of listed building…
RefusedListed building consent26/00315/ADLBC
Source: Westminster
Contains public sector information from the Planning London Datahub, licensed under the Open Government Licence v3.0.
Track this application
Get email alerts when there is a planning decision or status change.
Get email alerts near SW1A
New planning applications delivered to your inbox daily.
Around this site
Nearby applications
- Admiralty Arch The Mall London SW1A 2WH26/00315/ADLBC · ConditionsRefused0.0 mi
- Admiralty Arch The Mall London SW1A 2WH26/00339/ADFULL · ConditionsApproved0.0 mi
- Admiralty Arch The Mall London SW1A 2WH26/02145/ADLBC · ConditionsApproved0.0 mi
- Admiralty Arch The Mall London SW1A 2DY17/08515/CLEUD · AmendmentApproved0.0 mi
- Admiralty Arch The Mall London SW1A 2WH26/00316/ADFULL · ConditionsApproved0.0 mi
For applicants and trades
Consultants on this application
- DP9 Limited · Agent for this application
Contractors near this project
Find contractors for windows & doors near this site- Avent Roofing ServicesVerifiedWestminsterRoofing0.5 mi
- Atlas South Technical Service LimitedVerifiedLondonProperty MaintenanceHandyman1.3 mi
- Orient Construction Consultancy LimitedVerifiedLondon3.7 mi
- Nova Coat & PlasterVerifiedStreatham, LondonRenovations & RefurbishmentsPlastering4.7 mi
What's been approved on your street?
See what the council approved and refused near this address for the project you have in mind, and the rules that apply here.
Get The Signal Report