Planning application
The Ritz Hotel 150 - 156 Piccadilly London W1J 9BR
Works: Extension Demolition
Permission granted. Work must normally begin within three years of the decision or the permission lapses.
Proposal
Alterations and extensions to the Ritz Hotel and William Kent House including the change of use of the casino to a dual flexible use as hotel and/or private members club, a two storey side extension to William Kent House, extensions to the Ritz hotel including on the site of 22 Arlington Street comprising an extension of five basements, lower ground, ground, mezzanine and seven upper floors to provide additional hotel floorspace, new and upgraded hotel facilities including hotel rooms, restaurant and spa, new entrances on Arlington Street, arrival and drop off facilities, changes to the servicing and refuse facilities, car and cycle parking, plant, landscaping and all works including demolition, enabling, highways, temporary construction logistics works and other ancillary works (Amendments to listed building consent dated 24 April 2025 RN:24/08537/LBC).
As published by the council, reference 25/07529/LBC
Application record
- Reference
- 25/07529/LBC
- Type
- Listed Building Consent Application
- Status
- Decided
- Decision
- Granted As published: Application Permitted
- Received
- 17 Oct 2025
- Validated
- 17 Oct 2025
- Decided
- 12 Mar 2026
- Ward
- St James's
- Decision by
- Delegated Decision
- Postcode
- W1J 9BR
Site history
Applications at this address on the Westminster register
This site has had 38 applications since 2022: 11 approved, 1 refused.
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26/05735/ADLBC Decided
The Ritz Hotel 150 - 156 Piccadilly London W1J 9BR
Details of changes to approved works to the existing building fabric and repair strategies following further site discoveries or opening up pursuant to condition 13 of listed building consent dated 13 March 2026 (25/07529/LBC).
-
26/05549/ADLBC Awaiting decision
The Ritz Hotel 150 - 156 Piccadilly London W1J 9BR
Details of the new windows and external doors pursuant to condition 6 (1) of listed building dated 12th March 2026 (RN:25/07529/LBC)
-
26/05536/ADLBC Awaiting decision
The Ritz Hotel 150 - 156 Piccadilly London W1J 9BR
Details of external metalwork including the gates and screens to the ground floor of the new Arlington Street façade pursuant to Condition 6 (II) of Listed Building Consent dated 12th March 2026 (RN25/07529/LBC)
-
26/05096/ADLBC Decided
The Ritz Hotel 150 - 156 Piccadilly London W1J 9BR
Details of additional slab removal for shower trays and drains on Level 4 pursuant to Condition 13 (part) of listed building consent dated 23 February 2026 (RN: 25/07529/LBC).
-
26/04906/ADLBC Decided
The Ritz Hotel 150 - 156 Piccadilly London W1J 9BR
Sample panel of the proposed roofing slate pursuant to Condition 3 of listed building consent dated 20th July 2026 (RN: 26/03404/LBC)
-
26/04502/ADLBC Awaiting decision
The Ritz Hotel 150 - 156 Piccadilly London W1J 9BR
Details of works to laylight of Palm Court; pursuant to condition 6 (xvii) of listed building consent dated 12th March 2026 (25/07529/LBC)
-
26/04413/ADLBC Awaiting decision
The Ritz Hotel 150 - 156 Piccadilly London W1J 9BR
Details of interior finishes pursuant to condition 6 part VII (partial) of listed building consent dated 23 February 2026 (RN: 25/07529/LBC)
-
26/04299/ADLBC Awaiting decision
The Ritz Hotel 150 - 156 Piccadilly London W1J 9BR
Details of any changes to the approved works to the existing building fabric and repair strategies; pursuant to condition 13 of Listed Building Consent dated 12th March 2026 (RN 25/07529/LBC)
-
26/04190/ADLBC Decided
The Ritz Hotel 150 - 156 Piccadilly London W1J 9BR
Details for metalwork repairs pursuant to Condition 11, Part (IV) of listed building dated 12th March 2026 (RN: 25/07529/LBC)
-
26/04066/ADFULL Awaiting decision
The Ritz Hotel 150 - 156 Piccadilly London W1J 9BR
Details of outcome for the re-use and recycling of all window components from the removed windows and strategy for the re-use in situ of surviving historic window ironmongery, pursuant to condition 34 of planning permission dated 12 July 2022 (RN:21/07264/FULL) (as amended by Non-material amendment dated 16th February 2024 (RN:23/08516/NMA))
Timeline
Dates from the published record
-
17 Oct 2025
Received by Westminster
-
12 Mar 2026
Decision issued: Application Permitted
-
21 Jul 2026
Added to PlanIndex
Related applications
Cases linked to this one on the register
10 later applications on the register refer to this one:
-
26/05735/ADLBC Decided
The Ritz Hotel 150 - 156 Piccadilly London W1J 9BR
Details of changes to approved works to the existing building fabric and repair strategies following further site discoveries or opening up pursuant to condition 13 of listed building consent dated 13 March 2026 (25/07529/LBC).
-
26/05549/ADLBC Awaiting decision
The Ritz Hotel 150 - 156 Piccadilly London W1J 9BR
Details of the new windows and external doors pursuant to condition 6 (1) of listed building dated 12th March 2026 (RN:25/07529/LBC)
-
26/05096/ADLBC Decided
The Ritz Hotel 150 - 156 Piccadilly London W1J 9BR
Details of additional slab removal for shower trays and drains on Level 4 pursuant to Condition 13 (part) of listed building consent dated 23 February 2026 (RN: 25/07529/LBC).
-
26/04502/ADLBC Awaiting decision
The Ritz Hotel 150 - 156 Piccadilly London W1J 9BR
Details of works to laylight of Palm Court; pursuant to condition 6 (xvii) of listed building consent dated 12th March 2026 (25/07529/LBC)
-
26/04413/ADLBC Awaiting decision
The Ritz Hotel 150 - 156 Piccadilly London W1J 9BR
Details of interior finishes pursuant to condition 6 part VII (partial) of listed building consent dated 23 February 2026 (RN: 25/07529/LBC)
-
26/04299/ADLBC Awaiting decision
The Ritz Hotel 150 - 156 Piccadilly London W1J 9BR
Details of any changes to the approved works to the existing building fabric and repair strategies; pursuant to condition 13 of Listed Building Consent dated 12th March 2026 (RN 25/07529/LBC)
-
26/04190/ADLBC Decided
The Ritz Hotel 150 - 156 Piccadilly London W1J 9BR
Details for metalwork repairs pursuant to Condition 11, Part (IV) of listed building dated 12th March 2026 (RN: 25/07529/LBC)
-
26/03863/ADLBC Decided
The Ritz Hotel 150 - 156 Piccadilly London W1J 9BR
Detailed sample panel of cleaning to brickwork and stonework pursuant to condition 10 of Listed Building Consent dated 12th March 2026 (RN: 25/07529/LBC)
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26/03864/ADLBC Decided
The Ritz Hotel 150 - 156 Piccadilly London W1J 9BR
Details of any changes to the approved works to the existing building fabric and repair strategies, namely removal of a small fragment of wall at ground floor level, pursuant to Condition 13 of listed building consent dated 12th March 2026 (RN:25/07529/LBC)
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26/03741/ADLBC Awaiting decision
The Ritz Hotel 150 - 156 Piccadilly London W1J 9BR
Details of changes to the approved works to the existing building fabric and repair strategies following any further site discoveries pursuant to condition 13 (partial) of listed building consent dated 23 February 2026 (RN: 25/07529/LBC)
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
428 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.
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Open the documentsWhat this grant of permission means
Westminster granted permission on 12 March 2026, 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 heritage and listed building applications
Listed building consent is needed for works that affect the special interest of a listed building, and carrying out such works without it is a criminal offence. More in our guide to planning application types.
Nearby applications
Within 0.3 miles
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The Ritz Hotel 150 - 156 Piccadilly London W1J 9BR
Amendments to planning permission dated 12 July 2022 (RN: 21/07264/FULL); namely, changes to description of development to include temporary construction logistics works and to wording of Condition 7 in relation to external rainwater downpipes; and minor internal and external alterations, including removal of railings from seventh floor dormer windows on Piccadilly; and relocation of copper lion head on the roof of The Ritz.
Granted Amendments Loft or dormer Windows or glazing 24 docs -
The Ritz Hotel 150 - 156 Piccadilly London W1J 9BR
90% historically approved · decision due ~17 Jul
Replacement of slate roof tiles on mansard roofs of Piccadilly, Green Park and Arlington Street elevations of the Ritz Hotel.
Awaiting decision Heritage and listed buildings Loft or dormer Roofing 10 docs -
The Ritz Hotel 150 - 156 Piccadilly London W1J 9BR
87% historically approved · decision due ~12 Jan
Detailes of door and door furniture pursuant to Condition 6 (vii) of listed building consent dated 24 April 2025 (RN: 24/08537/LBC)
Awaiting decision Full applications 5 docs -
The Ritz Hotel 150 - 156 Piccadilly London W1J 9BR
90% historically approved · decision due ~31 Aug
Details of works to laylight of Palm Court; pursuant to condition 6 (xvii) of listed building consent dated 12th March 2026 (25/07529/LBC)
Awaiting decision Conditions 4 docs -
The Ritz Hotel 150 - 156 Piccadilly London W1J 9BR
90% historically approved · decision due ~24 Aug
Details of any changes to the approved works to the existing building fabric and repair strategies; pursuant to condition 13 of Listed Building Consent dated 12th March 2026 (RN 25/07529/LBC)
Awaiting decision Conditions 4 docs -
The Ritz Hotel 150 Piccadilly London W1J 9BS
Installation of two wall mounted flag poles and flags.
Granted Heritage and listed buildings 7 docs
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