One of London's most iconic landmarks is waiting for your family - and it's absolutely out of this world! The Royal Observatory Greenwich is a UNESCO World Heritage Site with over 350 years of history, sitting right at the birthplace of time itself. Stand with one foot in the Eastern Hemisphere and one in the West on the famous Prime Meridian Line, peer through giant historic telescopes, and follow in the footsteps of the astronomers who mapped the stars.
Whether your little ones are budding scientists or you're just looking for a day out that genuinely blows everyone's minds, this is one of those places that delivers every single time. Book your Greenwich Royal Observatory tickets right here with Day Out With The Kids - official ticket seller, trusted by millions of families!
Book Tickets from £18
Includes timed entry to the Royal Observatory, Prime Meridian Line, Flamsteed House and Time Galleries. Planetarium not included.
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Step inside one of London’s most iconic landmarks and travel through time and space (no spaceship required). The Royal Observatory is where east meets west (literally), where world time began, and where some of the greatest minds in history gazed into the heavens.
Ever wanted to stand exactly where the world’s time begins? Here, you can do just that! The Prime Meridian Line runs right through the Royal Observatory, letting you stand in the Eastern and Western Hemispheres at the same time!
From epic live science demos to hands-on astronomy displays, the Royal Observatory is where space feels real. You can even add a visit to London's only planetarium as an extra on the day - perfect for families who want to go even deeper into the cosmos!
This isn’t just a museum, it’s the actual birthplace of modern timekeeping. Built in 1675 and designed by Sir Christopher Wren, the Royal Observatory is a time-traveller’s dream. Walk through Flamsteed House, see the clocks that changed the world, and follow in the footsteps of the astronomers who helped map the stars.
It’s living, breathing history in a setting that feels just as grand as its legacy.
- Select your preferred date and time slot at checkout
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- Simply show your e-ticket on your phone or print it at home
- Make sure to arrive at least 10 mins before your entry slot
Greenwich Royal Observatory
Royal Observatory Greenwich, Greenwich Park, London, Greater London, SE10 8XJ, England
Last updated: 07:48 13/08/2025
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Most asked questions relating to Greenwich Royal Observatory.
Your ticket gives you access to all the main areas of the Royal Observatory, including the Prime Meridian Line, Flamsteed House, the Great Equatorial Telescope, the Time Galleries, and more. It’s the full time-travelling experience!
