Prodigy house - Wikipedia
‘Prodigy houses are large and showy English country houses built by courtiers and other wealthy families, either "noble palaces of an awesome scale" or "proud, ambitious heaps" according to taste.’
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I have used this definition to apply to some of the great barns built by “courtiers and other wealthy families” from the Tudor period onwards. Such examples as the Great Barn at Basing House in Hampshire and Waxham Great Barn in Norfolk are open to the public while others can only be seen from the outside.