150, 156 Piccadilly Westminster W1J 9BR
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.
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Progress
Application details
- Reference
- 21/07264/FULL
- Local authority
- Westminster
- Postcode
- W1J 9BR
- Ward
- SJB_02
- Application type
- All Other
- Property type
- Commercial
Key dates
- Submitted
- 22 Oct 2021
- Validated
- 22 Oct 2021
- Comments close
- 3 Dec 2021
- Target decision
- 21 Jan 2022
- Decided
- 12 Jul 2022
Estimated project value
£36075k–£50505k
Based on the 13,362m² of floor area stated in the application, at inner London rates (2026). Source: FMB / Checkatrade 2026, two-storey extension £2,000-£2,800/m².
Floor area gained: 13,361.5m²
Recently sold nearby
New owners, recently moved in. First work on a house usually follows within months of completing. 8 recent sales are listed below.
- 48N BERKELEY SQUARE, LONDON, W1J 5AXFlat or maisonette · Leasehold · Not a standard market sale · £900,0005 months ago16 Mar 2026
- 34 BERKELEY SQUARE, LONDON, W1J 5BFOther · Leasehold · Not a standard market sale · £22,600,0007 months ago16 Jan 2026
- FLAT 2, GARRICK HOUSE CARRINGTON STREET, LONDON, W1J 7AFFlat or maisonette · Leasehold · £632,0008 months ago12 Dec 2025
- FLAT 4, 33 HILL STREET, LONDON, W1J 5LTFlat or maisonette · Leasehold · £2,320,0009 months ago25 Nov 2025
- FLAT 202, CARRINGTON HOUSE HERTFORD STREET, LONDON, W1J 7RGFlat or maisonette · Leasehold · Not a standard market sale · £1,225,00010 months ago27 Oct 2025
- FLAT 1, AUDLEY COURT, 32 - 34 HILL STREET, LONDON, W1J 5NPFlat or maisonette · Leasehold · £4,100,00010 months ago17 Oct 2025
- 48D BERKELEY SQUARE, LONDON, W1J 5AXFlat or maisonette · Leasehold · £5,488,00011 months ago30 Sept 2025
- 41 FARM STREET, LONDON, W1J 5RPOther · Leasehold · Not a standard market sale · £1,967,55812 months ago21 Aug 2025
Homes here go for about £3,210,000 — the median of the last 4 market sales in W1J (the wider postcode district), £632,000 to £5,488,000.
Contains HM Land Registry data © Crown copyright and database right 2026. This data is licensed under the Open Government Licence v3.0. Sales are matched by postcode, not by property, so a sale listed here may be a neighbouring address. England and Wales only.
Planning constraints
No designations recorded at this location. This is not a formal search — always confirm with the local authority before relying on it.
Designations from planning.data.gov.uk, Open Government Licence v3.0. Indicative only — not a formal local authority search.
Nearby applications
- 150, 156 Piccadilly Westminster W1J 9BRPermittedNext door
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- 150, 156 Piccadilly Westminster W1J 9BRPermittedNext door
- 150, 156 Piccadilly Westminster W1J 9BRPermittedNext door
- 150, 156 Piccadilly Westminster W1J 9BRPermittedNext door
- 150, 156 Piccadilly Westminster W1J 9BRPendingNext door