It was used in the film The Haunting (1999) I can under stand why with its gothic exterior is the ideal setting for a horror movie.
You can visit this manor house any time through out the year. It is currently used a university campus but you can stay the night as a guess. The grounds are so big they have wedding venues there to while the campus is open.
It is well worth the visit if you are into English heritage and Gothic architecture, Or if you are planning on getting married.