Planning application
Admiralty Arch The Mall London SW1A 2WH
Works: Extension Loft or dormer
Permission granted. Work must normally begin within three years of the decision or the permission lapses.
Proposal
Amendments to planning permission dated 6th January 2025 (RN:24/03757/FULL) for Variation of Condition 1 of planning permission (RN:23/07789/FULL) for the: Use of Admiralty Arch as a 100 bedroom hotel, private members club and one, two or four self contained residential units. Internal and external alterations including creation of two new basement levels for ancillary hotel facilities and plant outside of the footprint of the listed building located within the under pavement vaults, accessed via subterranean links underneath the building, changes to rooflights, alterations to lift overruns, installation of risers in the lightwell, introduction of additional roof top plant and non-roof top plant, alterations to roof terrace layouts and to perimeter screens and changes to internal layout of residential units and private members club, namely alterations at roof level including alterations to Level 06 rooflight and chimney, extension to lift 22 over-run at Level 06 and provision of safety access requirements to Level 07.
As published by the council, reference 25/07589/NMA
Application record
- Reference
- 25/07589/NMA
- Type
- Non-material amendments
- Status
- Decided
- Decision
- Granted As published: Application Permitted
- Received
- 21 Oct 2025
- Validated
- 21 Oct 2025
- Decided
- 19 Nov 2025
- Ward
- St James's
- Decision by
- Delegated Decision
- Postcode
- SW1A 2WH
Site history
Applications at this address on the Westminster register
This site has had 31 applications since 2022: 12 approved, 2 refused.
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26/06556/NMA Awaiting decision
Admiralty Arch The Mall London SW1A 2WH
Amendments to planning permission dated 06 January 2025 (RN:24/03757/FULL) for variation of Condition 1 of planning permission (RN:23/07789/FULL) for the: Use of Admiralty Arch as a 100 bedroom hotel, private members club and one, two or four self contained residential units. Internal and external alterations including creation of two new basement levels for ancillary hotel facilities and plant outside of the footprint of the listed building located within the under pavement vaults, accessed via subterranean links underneath the building, NAMELY Amend the wording of Condition 19 pursuant to 24/03757/FULL You must not put structures such as canopies, fences, loggias, trellises or satellite or radio antennae on the roof terraces unless otherwise approved
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26/06554/FULL Awaiting decision
Admiralty Arch The Mall London SW1A 2WH
Addition of roof parasols, canopies, and a semi enclosed weather proofing system with retractable roof and side screens (Linked 26/06555/LBC)
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26/06555/LBC Awaiting decision
Admiralty Arch The Mall London SW1A 2WH
Addition of roof parasols, canopies, and a semi enclosed weather proofing system with retractable roof and side screens (Linked 26/06554/FULL)
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26/04923/ADFULL Decided
Admiralty Arch The Mall London SW1A 2WH
Details of a supplementary acoustic report pursuant to condition 14 of planning permission dated 6th January 2025 (RN: 24/03757/FULL)
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26/04932/ADLBC Decided
Admiralty Arch The Mall London SW1A 2WH
Details of internal lighting to principal rooms of North Block pursuant to Condition 4 (xii) of listed building consent dated 21st May 2025 (RN: 25/01971/LBC).
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26/04939/ADLBC Decided
Admiralty Arch The Mall London SW1A 2WH
Details of photographs of facing materials including glazing, and elevations and roof plans annotated to show where the materials are to be located pursuant to Condition 3 of listed building consent dated 6 January 2025 (RN:24/05377/LBC).
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26/04933/ADLBC Decided
Admiralty Arch The Mall London SW1A 2WH
Details of lift doors demonstrating appearance from communal lobby areas pursuant to Condition 15 of listed building consent dated 21st May 2025 (RN: 25/01971/LBC).
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26/04871/ADFULL Decided
Admiralty Arch The Mall London SW1A 2WH
Details of Servicing and Operational Management Plan for the hotel pursuant to condition 5 of planning permission dated 6th January 2025 (24/03757/FULL)
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26/04863/ADFULL Decided
Admiralty Arch The Mall London SW1A 2WH
Details of the ventilation system for the fifth floor restaurant pursuant to Condition 28 of planning permission dated 6th January 2025 (24//03757/FULL)
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26/04116/ADLBC Awaiting decision
Admiralty Arch The Mall London SW1A 2WH
Details of all works of restoration and repair to the external facades pursuant to condition 2 of listed building dated 16th June 2021 (RN:20/07669/LBC)
Timeline
Dates from the published record
-
21 Oct 2025
Received by Westminster
-
19 Nov 2025
Decision issued: Application Permitted
-
21 Jul 2026
Added to PlanIndex
Who's behind it
Company information only, from the register and Companies House
DP9 Ltd Agent
Active · incorporated 2004
2,658 applications on PlanIndex · across 36 councils · 98% granted
Trade members see everything this firm has filed, how it was decided, and get an email the day it files again.
See their track recordDocuments
Plans, drawings, consultee responses and the officer's report
22 documents on file for this application
A planning file usually holds the application form, drawings and site plans, consultee responses, the officer's report and the decision notice.
Watch members (£5 a month) open the document list from here.
Open the documentsWhat this grant of permission means
Westminster granted permission on 19 November 2025, subject to any conditions on the decision notice. Work must normally begin within three years or the permission lapses. More in our guide to what happens after a planning decision.
About amendment applications
An amendment application makes limited changes to a permission that already exists; anything beyond modest adjustment needs a fresh application. More in our guide to planning application types.
Nearby applications
Within 0.3 miles
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Admiralty Arch The Mall London SW1A 2WH
Alterations to existing rooflight and chimney and lift extension at Level 06 and to maintenance access requirements at Level 07.
Granted Heritage and listed buildings Extension Loft or dormer 26 docs -
Admiralty Arch The Mall London SW1A 2WH
93% historically approved · decision due ~19 Nov
Amendments to planning permission dated 06 January 2025 (RN:24/03757/FULL) for variation of Condition 1 of planning permission (RN:23/07789/FULL) for the: Use of Admiralty Arch as a 100 bedroom hotel, private members club and one, two or four self contained residential units. Internal and external alterations including creation of two new basement levels for ancillary hotel facilities and plant outside of the footprint of the listed building located within the under pavement vaults, accessed via subterranean links underneath the building, NAMELY Amend the wording of Condition 19 pursuant to 24/03757/FULL You must not put structures such as canopies, fences, loggias, trellises or satellite or radio antennae on the roof terraces unless otherwise approved
Awaiting decision Amendments -
Admiralty Arch The Mall London SW1A 2WH
88% historically approved · decision due ~19 Nov
Addition of roof parasols, canopies, and a semi enclosed weather proofing system with retractable roof and side screens (Linked 26/06555/LBC)
Awaiting decision Full applications -
Admiralty Arch The Mall London SW1A 2WH
90% historically approved · decision due ~19 Nov
Addition of roof parasols, canopies, and a semi enclosed weather proofing system with retractable roof and side screens (Linked 26/06554/FULL)
Awaiting decision Heritage and listed buildings -
Admiralty Arch The Mall London SW1A 2WH
89% historically approved · decision due ~15 Sep
Details of Servicing and Operational Management Plan for the hotel pursuant to condition 5 of planning permission dated 6th January 2025 (24/03757/FULL)
Decided -
Admiralty Arch The Mall London SW1A 2WH
89% historically approved · decision due ~17 Sep
Details of a supplementary acoustic report pursuant to condition 14 of planning permission dated 6th January 2025 (RN: 24/03757/FULL)
Decided
Other amendment applications
In Westminster
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26/07459/NMA Awaiting decision
1 Hanover Square London W1S 1HA
Amendments to planning pemrission dated 10 October 2025 (RN: 25/01558/FULL) for the: Partial demolition, refurbishment and extension of the existing building to provide a sub-basement, basement, ground plus eight storey building; infilling and stepped rear extension; excavation of a new sub-basement level; installation of new plant equipment at basement and roof level; terraces at fourth, fifth, sixth, seventh and eighth floor levels; soft and hard landscaping; reprovision of car parking; new cycle parking facilities; and associated external works. Use of the building for retail and/or restaurant (Class E) on part ground floor and office (Class E) on all other floors. NAMELY, to allow alterations to the design of the ground floor frontages on Hanover Square and St George Street.
-
26/07438/NMA Awaiting decision
29 - 31 Hill Street London W1J 5LS
Amendments to planning permission dated 1st July 2025 (RN 25/01006/FULL) for the external alterations at roof level including the creation of Level 04 roof terrace for use in association with existing office (Class E), replacement and installation of new plant and landscaping, replacement of windows, introduction of louvres, removal and replacement of rooflights, installation of new rooflight and other associated works. NAMELY, for alterations comprising of the removal of window sash boxes and weights, changes to the window mullion arrangement, the removal of two sash windows, the installation of secondary glazing, the removal of existing chamber hatch and installation of extract vent and integrated bench, the external replacement of rainwater goods and hoppers, the removal of bricks and installation of airbricks, minor demolition works, replacement of roof covering, removal of ductwork, roof plant rearrangement, the installation of a new external door to plant area, minor layout alterations and other associated works.
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26/07389/NMA Decided
Flat 1 5 Grittleton Road London W9 2DD
Amendments to planning permission dated 04 June 2025 (RN: 25/02022/FULL), NAMELY, amendment of Condition 4 to correct the property address from 9 Aldridge Road Villas to Flat 1 5 Grittleton Road.
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26/07377/NMA Awaiting decision
60 Ledbury Road London W11 2AJ
Amendments to planning permission dated 2nd October 2025 (RN 25/04018/FULL) for the Partial demolition, refurbishment, and erection of a mansard roof extension to form a new third floor with dormers to front, side and rear elevations; to form 6 flats (Class C3) on upper floors; external plant equipment and ductwork; lower ground floor excavation to increase floor to ceiling height; replacement windows; cycle parking and associated external alterations; use of the part ground floor and lower ground floor as retail and restaurant (Class E). Site includes 60-68 Ledbury Road) NAMELY, An amendment to the basement and ground floor drawing reference numbers; amendment to the description of development, in reference to restaurant and or retail use; and amendments to C
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26/07375/NMA Awaiting decision
77 Hereford Road London W2 5BB
Amendments to planning permission dated 4th August 2026 (RN 26/03970/FULL) for the Replacement of roof terrace access stair with glazed hatch, new timber decking and front and rear roof railings to roof terrace, with infilling side window of closet wing. NAMELY, Hinged hatch access substituted by sliding hatch.