Kioku by Endo
Six floors above Whitehall, a third-generation sushi master sets his table against the sky, Big Ben keeping time beyond the glass.

At the ceremonial heart of London, The OWO marks the turning seasons with a year-round programme of events, openings and encounters. Whatever the moment – a launch, a tasting, a private gathering – something is always taking shape behind these historic walls.
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A residence at The OWO is private, considered, entirely one’s own. Behind the walls of one of London’s most storied buildings, life is lived quietly and completely, on your own terms, with everything you might ask for close at hand. The hospitality of Raffles is always present yet never intrudes, attending to the details of daily life so that yours unfolds exactly as you wish.
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The London social season draws the world to the city, and to The OWO. This summer, Raffles London welcomes gatherings of every kind – generations beneath one historic roof, every detail considered, every guest cared for. A stay shaped around the people who matter most.
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This summer, Langosteria made its London debut at The OWO. The celebrated Milanese house – born in 2007, now in Paris, St. Moritz and here – brings its art of seafood and Italian craft to Whitehall. A first taste of something long awaited.
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Step into the world of wartime intelligence. Operation Mincemeat, the new afternoon tea in The Drawing Room, tells the story of 1943’s daring deception through five cakes – each a clue, a character, a moment. Heritage, served one secret at a time.
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Six floors above Whitehall, a third-generation sushi master sets his table against the sky, Big Ben keeping time beyond the glass.
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Six floors above Whitehall, a third-generation sushi master sets his table against the sky, Big Ben keeping time beyond the glass.
Lorem ipsum dolor sit amet, consectetur adipiscing elit. Nullam nec nulla lorem.
Lorem ipsum dolor sit amet, consectetur adipiscing elit. Nullam nec nulla lorem.
Lorem ipsum dolor sit amet, consectetur adipiscing elit. Nullam nec nulla lorem.
Perched atop The OWO, Kioku combines contemporary Japanese cuisine with Mediterranean influences. Under the direction of Endo Kazutoshi and led by Executive Chef George Gkoregias, the restaurant features a rooftop terrace, an intimate eight-seater chef’s table, and a twelve-seater private dining room within the historic turret, with sweeping views of St James’s Park, The Mall, and Buckingham Palace.
Tuesday to Saturday: 12.00pm – 12.00am (Lunch: 12.00 – 3.00pm & Dinner 6.00 – 10.30pm).
Sunday: 12.00 – 11.30pm (Lunch 12.00 – 3.15pm & Dinner 5.30 – 9.30pm)
The twelve-seat Turret Room is one of London’s most distinctive private dining settings – a rotunda of rooftop views. A lunchtime Kioku Bento is available Tuesday to Sunday at £40 per person.
Phone: +44 (0)20 3327 3692.
Enquiries: [email protected].

Under Sushi Master Endo Kazutoshi's direction, Kioku offers an innovative dining experience blending authentic Japanese tradition with contemporary technique.

A Kioku Bento Box lunch for the middle of the day - precise, informal and quietly exceptional.

The chef's table, under Head Sushi Chef at Kioku, Shibata San, each piece of sushi shaped by hand with the discipline the craft demands.

Kioku Sake Bar offers the largest collection of sake in Europe, alongside a carefully curated vinyl selection, creating the perfect escape from the bustle of London.
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