Stand astride two hemispheres at the home of Time
Flamsteed House is the original Observatory building at Greenwich, designed by Sir Christopher Wren in 1675 on the instructions of King Charles II. The historic site also includes the Prime Meridian of the World and the UK's largest refracting telescope. See floor plans.
Entrance charges apply to Flamsteed House, including the Time galleries, and the Meridian Courtyard (ages 5 and under go free). An adult day ticket costs £8.50 (£7.50 concessions; a travel trade voucher scheme applies). Save with a Big Ticket, giving single entry within 30 days to the Royal Observatory, Cutty Sark and the Ships, Clocks & Stars exhibition at the National Maritime Museum.