sentences:  The fifth Viscount made two further sets of changes in the 1790s and between 1804 and 1811, and the last major alterations were between 1869 and 1880 for Henry and Benjamin Shaw.Recent changes have been more minor.Nikolaus Pevsner, who catalogued the buildings of England, believed that the main fronts of Cowick Hall were among the most accomplished 17th-century country house designs in the land.