The site is open to the public on weekdays from 9am until 4.30pm.
Guided tours run at 11am, 1pm and 3pm, and on Saturdays and Sundays at 11am and 3pm.
At the weekends, there will be no diggers on site (apart from the specified special Open Days) and the gates will open 15 minutes before the scheduled weekend tours, when the site shop will also be open.
Outwith these hours the site is closed to the public.
For full details on visiting the site, click here.