Opening Hours: Thursday through Sunday from 10am to 5pm until such time as Covid 19 mitigation measures can be fully lifted Please note last admission is 4pm. The castle closes at 5pm and viewing the exhibits takes approximately 1 hour. Admission is strictly by pre-appointment. Under 16s must be accompanied. Please note that event times and ticket prices are subject to change. Our regular booking form is currently offline. To book a specific date, choose from the available days at the link below: Available days.