An estate house is a large and luxurious residence, typically owned by a wealthy family. The term 'estate house' can refer to either a MANOR or a MANSION. A MANOR is a large country house, usually with a large estate of land attached to it. A MANSION is a large and luxurious dwelling, often with many rooms and amenities. Both terms are used to describe a large and luxurious residence, but the term 'estate house' is more general and can refer to either a MANOR or a MANSION.