Occasionally some closures may affect your visit to the Royal Observatory. Please see the table below for information. 

DateWhat's closed?TimeReason
8 September 2025 onwardsPeter Harrison Planetarium and Astronomy CentreLong-term closureFirst Light transformation project
22-23 October 2026Time and Society GalleryAll dayFirst Light transformation project
2 November 2026 onwardsWhole siteLong-term closureFirst Light transformation project