Suite&Salon
London · South KensingtonUnder one roof

Millennium Gloucester, Kensington

Millennium Hotel and Conference Centre Gloucester London & Grosvenor Casino Gloucester Road

The Millennium Hotel and Conference Centre Gloucester London fills 4–18 Harrington Gardens, one minute from Gloucester Road station. Licensed at that identical address is Grosvenor Casino Gloucester Road, known locally as The Gloucester, whose tables run around the clock.

The hotel websiteRoute there
Gloucester Road Underground station, a short walk from Harrington Gardens (area photo, not the hotel building)
Gaming floor right now
See hours
Doors open
Open 24 hours; tables open 24 hours
Check-in at the hotel
Ask at the hotel
Rooms
611 rooms (booking-platform figure)
Under one roof: The casino is inside the hotel building. You may still need to use a separate street entrance. Licence and hotel share one address, 4–18 Harrington Gardens. The gaming floor takes its own door on Harrington Gardens.
The casino on the premises

Grosvenor Casino Gloucester Road

Operator
Grosvenor Casinos Limited (The Rank Group) — Gambling Commission account no. 614
Address
4–18 Harrington Gardens, London SW7 4LJ
Phone
020 7373 7134
Hours
Monday – SundayDoors open 24 hours

Tables open 24 hours. Bank holidays and event nights shift these times: ring the venue to be sure.

Entry
  • 18 and over; photo ID checked under Think 25
  • No membership required under Grosvenor policy: bring valid photo ID
  • Dress code: Smart-casual does it, though individual venues and event nights may ask for more (Grosvenor FAQ)
  • Anyone registered with the SENSE self-exclusion scheme is turned away
On the gaming floor
  • Dealer-run table games
  • Slots and electronic games

The page advertises “Slots & Games” with tables around the clock, naming none of them; ring for the current list.

Facilities
  • Bar and restaurant (Arabic-influenced menu)
  • Food and drink
The hotel

Millennium Hotel and Conference Centre Gloucester London

Operator
Millennium Hotels and Resorts
Address
4–18 Harrington Gardens, London SW7 4LH
Rooms
611 rooms (booking-platform figure)
Check-in
Not stated on the hotel website — check when you book
Check-out
Confirm when booking
Minimum age
Absent from the pages we read
Parking
Absent from the pages we read
Also
  • Conference centre
Prices
We quote none. The hotel’s own booking page gives the full price with every compulsory charge included.

The hotel website would not render for our tools on the check date; the room count comes from booking platforms.

See rooms and rates on the hotel site
Harrington Gardens seen from Gloucester Road (street view, not the hotel building)
Harrington Gardens seen from Gloucester Road (street view, not the hotel building) · Photo: Robert Lamb, Wikimedia Commons, CC BY-SA 2.0

Lead photo: Dietmar Rabich, Wikimedia Commons, CC BY-SA 4.0.

Getting to the door

London

Three minutes on foot brings you to Gloucester Road Underground, served by the District, Circle and Piccadilly lines.

Open a route to the casino address (external map service).

Sources, verified 12 September 2026
  • grosvenorcasinos.com/local-casinos/london-gloucester-road — address, phone, 24-hour opening and tables, bar and restaurant
  • Gambling Commission public register, Grosvenor Casinos Limited (account 614), premises list — “London-Gloucester Road Grosvenor Casino, 4-18 Harrington Gardens, London, SW7 4LJ”
  • millenniumhotels.com — hotel page — hotel address
  • Booking platforms — 611 rooms — third-party figure

Figures taken from third parties carry a marker. Spotted a change? Let us know.

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