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The former Radisson SAS Portman Hotel was a contemporary business hotel located in the heart of Marylebone, overlooking the historic Portman Square. The property featured modern meeting rooms and conference facilities suitable for corporate events and business meetings. Its prime location provided excellent access to Oxford Street shopping, West End theatres, and major transport links. The hotel offered professional event services and modern amenities for business travelers and event organizers in central London.
Best suited for
Why book with us?

| Space | Theatre | Cabaret | Boardroom | Classroom | U-shape | Banquet | Reception |
|---|---|---|---|---|---|---|---|
| Main Conference Room | 150 | — | 30 | 80 | 40 | — | — |
Day delegate rate from the venue’s published pricing. Exact quotes confirmed on your proposal.
Includes: Room hire, Basic AV.
Half day, full day and evening rates available on request.
Bespoke menus and exclusive-use packages for private events.
Venue no longer operational under this brand
Request exact pricing →Dietary options catered for
Always confirm specific access requirements with our team — we check on your behalf.
22 Portman Square, London, W1H 7BG, United Kingdom
Every score below is computed from verified platform data — never marketing copy.
Radisson SAS Portman Hotel is a verified hotel in London, hosting up to 200 guests, with day delegate rates from £180. Its genome scores highest for Corporate, Historic, Hybrid Ready. Verified on-site: wi-fi, av & production, food & catering, bedrooms. Best suited to corporate conferences and board meetings.
Best for: corporate conferences and board meetings, memorable events in a heritage setting, hybrid and streamed events.
Sustainability credentials are not yet evidenced in the profile data.
Up to 200 guests for reception style events, 120 for dinner, 80 for boardroom meetings
Full AV equipment including projector, sound system, microphones, and high-speed Wi-Fi throughout
In-house catering with international cuisine, dietary requirements accommodated, full bar service available
Limited on-site parking available, nearby public parking options, valet service can be arranged
The former Radisson SAS Portman Hotel was a contemporary business hotel located in the heart of Marylebone, overlooking the historic Portman Square. The property featured modern meeting rooms and conference facilities suitable for corporate events and business meetings. Its prime location provided excellent access to Oxford Street shopping, West End theatres, and major transport links. The hotel offered professional event services and modern amenities for business travelers and event organizers in central London.
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