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 28 applications since 2022: 12 approved, 2 refused.
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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)
-
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).
-
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).
-
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).
-
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)
-
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)
-
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)
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26/02854/ADFULL Awaiting decision
Admiralty Arch The Mall London SW1A 2WH
Detailed drawings of a hard and soft landscaping scheme which includes the number, size, species and position of trees pursuant to condition 11 of planning permission dated 16th June 2021 (RN:20/07575/FULL)
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26/02853/ADFULL Awaiting decision
Admiralty Arch The Mall London SW1A 2WH
Details of the design, layout and operation of the setting down and picking up facility for non-hotel guests on The Mall and the siting of the relocated bollards on New Road pursuant to condition 10 of planning permission dated 16th June 2021(RN:20/07575/FULL)
-
26/02567/ADLBC Awaiting decision
Admiralty Arch The Mall London SW1A 2WH
Detailed drawings of the new external signage pursuant to condition 4 (Part XIX) of listed building consent dated 21st May 2025 (RN: 25/01971/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
2,223 applications on PlanIndex · across 37 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
-
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
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 -
Admiralty Arch The Mall London SW1A 2WH
89% historically approved · decision due ~17 Sep
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).
Decided -
Admiralty Arch The Mall London SW1A 2WH
89% historically approved · decision due ~17 Sep
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).
Decided Windows or glazing -
Admiralty Arch The Mall London SW1A 2WH
89% historically approved · decision due ~17 Sep
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).
Decided
Other amendment applications
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26/06232/NMA Awaiting decision
37 Trevor Place London SW7 1LE
Amendments to planning permission dated 17th July 2026 (RN 26/03030/FULL) for the Alterations including enlargement of louvres and installation of new plant in basement; landscaping of roof terrace; second floor windows replaced with door sets; partial demolition at ground and first floor levels to create new lightwell and landscaped courtyard. NAMELY, addition of a free-standing sauna to the second-floor roof terrace.
-
26/06256/NMA Awaiting decision
Queens Court Queensway London W2 4QN
Amendments to planning permission dated 21st May 2026 (RN:25/05013/FULL) for Variation of conditions 1, 3, 8, 9 and 17 of planning permission dated 11th May 2022 (RN 18/09765/FULL) for the Change of use of rear part of Queensway Market to Retail, Financial and Professional services, Office and Restaurant (within Class E) use and 5 residential units facing Princes Court, reconfiguration of retail units along Queensway including introduction of Retail uses at Nos.23 and 33 (current entrances to Queensway Market) and use of Nos.25 and 41-43 Queensway as Restaurant uses, installation of new shopfronts to Nos.23 to 43 Queensway 23-43, erection of infill extension to rear at ground floor level, erection of two new pavilion structures for Retail use and associated new hard and soft landscaping on land between Queens Court and Princes Court, installation of green roofs, rooflights and mechanical plant within enclosures to first floor level roofs between projecting rear wings of Queens Court installation of kitchen extract ducts to rear elevations, and associated cycle parking, waste storage, plant and other ancillary alterations ('Application 2'). Namely, to vary the hours of operation for the refrigeration plant controlled by condition 6.
-
26/06251/NMA Awaiting decision
19 Cumberland Street London SW1V 4LS
Amendments to planning permission dated 20th March 2026 (RN:25/08960/FULL) for Lower ground floor rear infill extension with terrace above, replacement of rear first floor conservatory, new roof level rear single dormer with access to third floor roof terrace, alterations to windows and external refurbishment, namely the change of conservatory gable roof to a flat GRP roof.
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26/06201/NMA Awaiting decision
Almack House 28 King Street St James's London SW1Y 6QW
Amendments to planning permission dated 16th April 2026 (RN:26/01487/FULL) for Installation of a mechanical plant at lower ground floor and installation of two grilles to two lower ground floor windows, namely change to approved grille.
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26/06212/NMA Awaiting decision
10 - 11 Lancaster Gate London W2 3LH
Amendment to Condition 12 (Whole Life Carbon) of planning permission dated 19th April 2024 (RN 23/04044/FULL) for Change of use from hotel to residential use (Class C3) with associated internal alterations to create 11 new units and external alterations comprising reconfiguration and recladding of the rear extension and restoration of the existing building. Namely to include additional requirement to evidence and justify where benchmarks cannot be achieved, consider mitigation measures and if none, evidence that all mitigation measures have been exhausted. (Linked with RN 26/06213/ADFULL)