Time and Longitude is currently closed in preparation for exciting exhibition Longitude Punk'd , opening 11 April. Harrison's H4 timekeeper is temporarily off display, and H2-3 are on display in the National Maritime Museum. There are also changes to some visitor routes. View full details

Visitor information

  • Cost
  • Hours
  • Location
  • Planetarium

Opening hours: 10.00–17.00 daily, last admission 16.30.

Easter extended opening (5–21 April): Flamsteed House & Meridian Courtyard stay open till 18.00, and there will be a late Planetarium show at 17.00. View full details

The Royal Observatory is closed 24–26 December, closes early on 31 December and re-opens at midday on 1 January. The Observatory also opens at midday on the occasion of the London Marathon in April. Occasional unavoidable closures to parts of the site are posted in latest visitor information.

See also Planetarium show times

Entrance to the Astronomy Centre is FREE

Entrance charges for Flamsteed House + Meridian Courtyard:
FREE for Members
• Adults: £7
• Concessions: £5.50
• Children aged 6-15: £2.50; under-6s FREE
• Family ticket: £16.00 (2 adults, 2 children); £9.50 (1 adult, 2 children)
Prices include voluntary donation.

You can save with a Big Ticket allowing single entry to each of the Royal Observatory, Cutty Sark and Turner and the Sea (valid for 30 days).

Or you can save with an Astro Ticket' (Royal Observatory + Planetarium).

Planetarium shows:
FREE for Members
• Adults: £6.50
• Concessions: £5.50
• Children (age 3-15): £4.50 (under-3s free)
• Family ticket: £20.00 (2 adults, 2 children); £14.50 (1 adult, 2 children).

View mapRoyal Observatory
Blackheath Avenue
Greenwich, SE10 8XJ

Transport

road | tube & rail | cycle | bus | river 

For details of shows, times, cost and ages and to book please see Planetarium shows

How to find the Planetarium

Access to the Planetarium is via the Astronomy Centre in the Royal Observatory South Building. See floor plans.

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The Royal Observatory

Free entry for Members
 

Buy ticketsThe Royal Observatory Greenwich is the home of Greenwich Mean Time and the Prime Meridian of the World. It is also home to London's only planetarium, the Harrison timekeepers and the UK's largest refracting telescope.

Entrance to the Astronomy Centre is FREE. Entrance charges apply to Flamsteed House and the Meridian Courtyard. You can save with a Big Ticket, allowing single entry to each of the Royal Observatory, Cutty Sark and Turner and the Sea (valid for 30 days). Please visit our Turner and the Sea page to buy a Big Ticket.