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Planning application

Admiralty Arch The Mall London SW1A 2WH

Awaiting decision Westminster 26/02145/ADLBC Approval of Details (ADLBC)

Works: Extension

Still open. Anyone can comment while the consultation period runs, and comments go to the council rather than to us.

Proposal

Details of drawings of the extension and alterations of main oval staircase pursuant to Condition 4 (ii) of planning permission dated 16/09/2013 (RN:13/03366/LBC)

As published by the council, reference 26/02145/ADLBC

Application record

Reference
26/02145/ADLBC
Type
Approval of Details (ADLBC)
Status
Pending
Received
31 Mar 2026
Validated
31 Mar 2026
Ward
St James's
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.

  • 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

    Submitted 24 Sep 2026 Amendments
  • 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)

    Submitted 24 Sep 2026 Full applications
  • 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)

    Submitted 24 Sep 2026 Heritage and listed buildings
  • 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)

    Submitted 23 Jul 2026
  • 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).

    Submitted 23 Jul 2026
  • 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).

    Submitted 23 Jul 2026
  • 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).

    Submitted 23 Jul 2026
  • 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)

    Submitted 21 Jul 2026
  • 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)

    Submitted 21 Jul 2026
  • 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)

    Submitted 22 Jun 2026 Conditions

Timeline

Dates from the published record

  1. 31 Mar 2026

    Received by Westminster

  2. 21 Jul 2026

    Added to PlanIndex

  3. Decision

    Awaiting decision

    Decision expected by 26 May 2026, 8 weeks from validation under the statutory target for most applications. Extensions of time are common and are agreed case by case.

    Westminster took a median of 91 days over the applications it decided in the last year.

Who's behind it

Company information only, from the register and Companies House

DP9 Ltd Agent

Active · incorporated 2004

2,655 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 record

Documents

Plans, drawings, consultee responses and the officer's report

10 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 documents

What happens while it is decided

This application is with Westminster for determination, against a statutory target of eight weeks. Over the last year Westminster decided condition discharge and variation applications in a median of 84 days. More in our guide to how long planning decisions take.

About condition discharge and variation applications

This application deals with conditions on an existing permission, supplying the details a condition requires or asking to vary or remove one, without reopening the permission itself. More in our guide to planning application types.

Nearby applications

Within 0.3 miles

  • Admiralty Arch The Mall London SW1A 2WH

    25/07638/ADLBC Submitted 21 Oct 2025 50 yards away

    Details of the new cage lifts, showing appearance and relationship to historic fabric pursuant to condition 4(xiii) of listed building consent dated 21st May 2025 (RN: 25/01971/LBC)

    Granted Conditions 10 docs
  • Admiralty Arch The Mall London SW1A 2WH

    25/05646/ADFULL Submitted 12 Aug 2025 50 yards away

    Details of new south block entrance and sample of stone for the new south block entrance pursuant to conditions 30 and 31 of planning permission dated 06 January 2025 (RN: 24/03757/FULL).

    Granted Full applications 9 docs
  • Admiralty Arch The Mall London SW1A 2WH

    26/00339/ADFULL Submitted 21 Jan 2026 50 yards away

    88% historically approved · decision due ~18 Mar

    Details of The new external timber panelled doors to the restaurant and glazed fan light; The new fire escape doors; The new service door to Admiralty Place; Pursuant to condition 22 (ix, x xi) of planning permission dated 06 January 2025 (RN: 24/03757/FULL)

    Awaiting decision Full applications Windows or glazing 7 docs
  • Admiralty Arch The Mall London SW1A 2WH

    25/05628/ADLBC Submitted 12 Aug 2025 50 yards away

    Details of entrance foyer layouts and finished appearance and method of dismantlement of stone staircase in Lower Ground Floor of South Block and details of storage, new location and re-assembly pursuant to Conditions 4 (xi) and 5 of Listed Building Consent dated 21 May 2025 (RN: 25/01971/LBC).

    Granted Conditions 10 docs
  • Admiralty Arch The Mall London SW1A 2WH

    26/04116/ADLBC Submitted 22 Jun 2026 50 yards away

    89% historically approved · decision due ~17 Aug

    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)

    Awaiting decision Conditions 24 docs
  • Admiralty Arch The Mall London SW1A 2WH

    26/00313/ADFULL Submitted 20 Jan 2026 50 yards away

    Details of rooftop terrace boundary treatment and furniture pursuant to Condition 18 of planning permission dated 16 June 2021 (RN 20/07575/FULL)

    Refused Full applications 7 docs

In Westminster

  • 26/02704/ADLBC Decided

    New Zealand House 80 Haymarket London SW1Y 4TE

    Details of new visible security fixtures in the Royal Opera Arcade pursuant to condition 7(f) of listed building consent dated 12th February 2021 (RN: 19/07816/LBC). Linked to 26/02618/ADFULL

    Received 21 Apr, published by the council 21 Jul 2026 Conditions
  • 26/04860/ADLBC Granted

    New Zealand House 80 Haymarket London SW1Y 4TE

    Details of external and internal signage strategy pursuant to Condition 7(E) of listed building consent dated 12th February 2021 (RN: 19/07816/LBC)

    Received 20 Jul, published by the council 1 Aug 2026 Conditions
  • 26/04843/ADLBC Granted

    New Zealand House 80 Haymarket London SW1Y 4TE

    Detailed design and specification of new blinds to NZH based on mock-up trials on-site pursuant to Condition 6(m) of listed building consent dated 12th February 2021 (19/07816/LBC).

    Received 20 Jul, published by the council 1 Aug 2026 Conditions
  • 26/04850/ADLBC Awaiting decision

    17 Belgrave Square London SW1X 8PG

    Detailed drawings of garage doors, roof lantern and any new lighting and flooring in the principal rooms pursuant to condition 6 (iii) (iv) (v) of listed building 18th August 2025 (RN:25/03417/LBC)

    Received 20 Jul, published by the council 1 Aug 2026 Conditions
  • 25/07120/ADLBC Granted

    72 - 74 Lancaster Gate London W2 3NH

    Details of new and altered doors and door architraves, including external faces of lifts (detailed elevations and sections at 1:10) pursuant to Condition 3 (A) of Listed Building Consent dated 14 December 2023 (RN: 23/00772/LBC) (Linked app: 25/07088/ADFULL)

    Received 2 Oct, published by the council 21 Jul 2026 Conditions