The L-shaped Manor House at Willoughby has an early 19th century front, an 18th century wing at the rear and a Venetian window. {1} Just to the west lies a fishpond. {2} The Manor House is a Grade II listed farmhouse which was built in the late 18th century and underwent mid 19th century alterations. For the full description and the legal address of this listed building please refer to the appropriate List of Buildings of Special Architectural or Historic Interest. {3} Manor Farm (Manor House), Willoughby with Sloothby. Extant 18th century farmstead. Regular courtyard of U plan. The farmhouse is detached from the main working complex. Isolated location. Large modern sheds are located to the side of the site. {4}