Venue 04 · South Kensington

Millennium Gloucester and Grosvenor Casino The Gloucester

A large conference hotel on Harrington Gardens with Grosvenor’s Gloucester casino next door on the same terrace. Neighbourhood photography from open licences; book only via official channels.

Information last checked: 4 September 202618+ on the gaming floorSame Harrington Gardens terrace

View along Harrington Gardens from Gloucester Road

Independent guide. Not affiliated with Millennium & Copthorne or Grosvenor Casinos. Free-licensed photographs of the hotel’s current interiors and the casino floor were not available. Images below show Harrington Gardens, Gloucester Road station and the museum quarter that surrounds the property. Atmosphere panels are illustrative artwork, not photographs of this hotel.

Shared terrace, adjoining rather than internal

Hotel address: 4–18 Harrington Gardens, London SW7 4LH. Gambling Commission premises for London–Gloucester Road Grosvenor Casino: 4–18 Harrington Gardens, London SW7 4LJ. Millennium’s accessibility guide states that the Grosvenor Casino is right next door. Integration is adjoining rather than internal, which is why the pair closes our ordered list.

Operator: Grosvenor Casinos Limited, account 614. Separate electric-gaming premises at the same Harrington Gardens address also appear on the register.

Hotel facilities described by Millennium

Millennium’s FAQ states the property reopened to guests on 4 November 2021 and lists on the order of six hundred rooms across deluxe, club, executive, suite and accessible categories. Dining named on the hotel site has included Korean Grill Kensington, The Noodle Room, Humphrey’s Bar, Bombay Brasserie and breakfast restaurants — names rotate, so check the live menus page. The hotel publishes a fitness centre, chargeable parking and a large meetings estate.

  • Hotel phone+44 20 7373 6030
  • Emailreservations.gloucester@millenniumhotels.co.uk
  • Check-in / outPublished as 3pm / 12 noon on the hotel FAQ (confirm before travel)

South Kensington for travellers

Beyond the casino, the neighbourhood is built around museums and the Royal Albert Hall. Families often use the hotel for museum stays; keep the 18+ casino clearly separate from daytime plans with children.

Official sources

Official Millennium hotel page

Grosvenor Casinos

The short version

Millennium Gloucester and Grosvenor’s Gloucester casino share Harrington Gardens. Commission account 614. Neighbourhood photographs document the street and station; interior photographs of this property were not available under a free reuse licence.

18+. Gambling involves risk. Help: GamCare 0808 8020 133 · GambleAware · SENSE.