achesoncolloids — Westminster & Cranbourn Street Hospitality Crest
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Westminster & Cranbourn Street Concierge Desk

Restaurant & Casino: Cranbourn Street, Leicester Square, London WC2H 7JH Sanctuary Suites: 14 St. James's Square, London SW1Y 4JU 24-Hour Desk: +44 20 7769 8888

Book Heliot Steak House, Sanctuary Suites or Private Dining

Complete the official reservation and concierge inquiry form below. Whether you are reserving a rotunda-view steakhouse booth, booking our Colloidal Gold Penthouse Suite, or contacting our UK Data Protection Officer, our team responds with an immediate reference number.

Visiting Cranbourn Street & St. James's Square

Whether arriving for late-night USDA Prime dining at Heliot Steak House or checking into our Westminster Sanctuary Suites, please review our key visitor protocols below.

Westminster Sanctuary carriage courtyard and fountain arrival Chauffeur & Valet Arrival

St. James's Square Residence Check-In

Private house saloons operate continuously between our residential courtyard at 14 St. James's Square (SW1Y 4JU) and the Cranbourn Street rotunda entrance (WC2H 7JH).

  • Check-In: 15:00
  • Late Check-Out: 13:00
Heliot Steak House private booth table setting with claret glasses Heliot Dining Protocol

Balcony Booths & Private Dining Salons

Table reservations are held for 15 minutes. Please advise our sommelier at least 24 hours in advance if ordering the 600g 24-Carat Gold-Leaf Chateaubriand or rare vintage Bordeaux bottles.

  • USDA Prime Certified
  • Sommelier Cellar List
Cranbourn Street Rotunda Cocktail Bar and reception Challenge 25 Verification

Mandatory UK 18+ Identification Policy

In strict compliance with the UK Gambling Commission and Westminster City Council licensing, all guests appearing under the age of 25 must present an original valid Passport, UK Photocard Driving Licence, or PASS holographic card.

  • Strictly 18+ Only
  • Zero Entry Fee