25/07555/NMAPlanning Application 25/07555/NMA

Amendment application at The Ritz Hotel 150 - 156 Piccadilly London W1J 9BR, Westminster. View planning documents, track the decision and get email alerts on updates.

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Amendments to planning permission dated 12 July 2022 (RN: 21/07264/FULL) for 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. Namely, alterations including additional demolition as a result of detailed investigation work. (Linked with 25/07529/LBC)

25/07555/NMA

Small

Amendment

The Ritz Hotel 150 - 156 Piccadilly London W1J 9BR

SubmittedSubmitted17 Oct

ValidatedValidated

ConsultationConsultation

TargetTarget Date

DecidedDecided

7 weeks typical decision time in Westminster80% of amendment applications approved

This is an application to amend a permission at The Ritz Hotel 150 - 156 Piccadilly London W1J 9BR. Westminster has handled 604 applications of this type and approves 80% of them, typically deciding them in 40 days. It was submitted on 17 October 2025 and is still awaiting a decision. The site is in the St James's conservation area, with 13 listed buildings nearby. There have been 45 other applications at this address. In the past year there have been 594 applications across St James's. We hold 629 applications in total for the W1J postcode area.