From a BBC news story on the House
The castellated Windhouse, which has been derelict since the 1920s, is reputedly one of the most haunted homes in the country. The ghostly goings-on are attributed to the presence of an ancient graveyard under the original structure.
Spectral occupants are said to include a servant girl who mounts invisible steps, a man in a top hat, and a ghost dog.
Over at Ghost weather they have a more detailed history of the house.
I have seen this place twice. Once, at night on the way to a friends house, the other time on a grey gloomy day in bad weather (which felt more unsettling) . There is something undeniably errie about the place...