The Ritz Hotel 150 - 156 Piccadilly London W1J 9BR

23/08516/NMANon-material amendmentsPermitted

Discharge / amendments

Proposal

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 and other ancillary works.' Namely, to replace the windows on the Piccadilly, Arlington Street and Green Park facades at first to sixth floor level.

Received: 8 December 2023
Decided: 16 February 2024 · Application Permitted
Decision level: Delegated (officer decision)
Council: City of Westminster
Ward: St James's

Approximate site (title boundary)

Boundary © HM Land Registry, © Ordnance Survey · details

This information is subject to Crown copyright and database rights 2026 and is reproduced with the permission of HM Land Registry. The polygons (including the associated geometry, namely x, y co-ordinates) are subject to Crown copyright and database rights 2026 Ordnance Survey AC0000851063. Conditions of use.

ReceivedSubmitted8 Dec
ValidatedValidated8 Dec
Consult.Consultation
TargetTarget Date5 Jan
DecidedDecided16 Feb

Decided in 70 days (council typically 49)

7 weeks typical decision time in Westminster87% 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 82% of them, typically deciding them in 41 days. This one was decided in 70 days, 4 weeks longer than Westminster's median. The site is in the St James's conservation area, with 12 listed buildings nearby. There have been 48 other applications at this address. In the past year there have been 558 applications across St James's. We hold 914 applications in total for the W1J postcode area.

Application Details

Reference

23/08516/NMA

Address

The Ritz Hotel 150 - 156 Piccadilly London W1J 9BR

Postcode

W1J 9BR

Local Authority

Westminster

Application Type

Non-material amendments

Scale / Size

Small

Decision Status

Permitted

Current Status

Decided

Ward

St James's

Applicant & Agent

Agent

DP9 Limited

Architect ProfileDP9 LIMITED

Agent Address

100 Pall Mall London SW1Y 5NQ United Kingdom

Planning Application Dates

Date Received

8 December 2023

Target Decision Date

5 January 2024

Date Decided

16 February 2024

Date Validated

8 December 2023

Date Submitted

8 December 2023

Planning Decision

Decision

Application Permitted

Decided By

Delegated Decision

Statutory Period

28 days

Publicity

Appeal

Additional Information

Planning Portal ID

PP-12659053

Comments

Documents

Coordinates

51.507156, -0.141366

Enriching application data

2/3

Council recordsAppealsFlood risk

Source: Westminster

Contains public sector information from the Planning London Datahub, licensed under the Open Government Licence v3.0.

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Associated applications

2026
19 Jun
Full details of the finalised outcome for the re-use and recycling of all window components from the removed…
PendingApplicationRelated26/04066/ADFULL
2023
8 Dec
Amendments to planning permission dated 12 July 2022 (RN:21/07264/FULL
This applicationApprovedNon-material amendment23/08516/NMA

Planning history at this site

20 other applications at this property, newest first.

Planning constraints

Designations that overlap or adjoin the site outline.

Conservation area: St James's
Listed building: Grade II*: The Ritz HotelOn this site · +2 more
Article 4 direction: Article 4 Basement Development Permitted Rights Removed+1 more
Brownfield land register: 70-73 Piccadilly London W1J 8HPRegister site at or near this address
Flood zone 1: Low probability (rivers and sea)

Also checked, none recorded (20)

flood storage areas, tree preservation orders, green belt, scheduled monuments, World Heritage Sites, World Heritage Site buffer zones, registered parks and gardens, registered battlefields, Heritage at Risk entries, nutrient neutrality catchments, national parks, National Landscapes, SSSIs, Special Areas of Conservation, Special Protection Areas, Ramsar sites, ancient woodland, national nature reserves, local nature reserves and heritage coasts.

A guide only, from official open data; it is not a planning search. Flood zones cover rivers and sea, not surface water.

© Historic England 2026. Contains Ordnance Survey data © Crown copyright and database right 2026. The Historic England GIS Data contained in this material was obtained on 2026-10-09. The most publicly available up to date Historic England GIS Data can be obtained from HistoricEngland.org.uk.

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