17. Llancaiach Fawr Manor, Caerphilly
Llancaiach Fawr Manor, Caerphilly has been named one of the top ten haunted places in Britain many times. The figure of a nineteenth century housekeeper known as Mattie is the most famous sighting. She is often heard in the bed chamber where she reportedly died. The ghost of a little boy who fell to his death is also said to haunt the rooms.