A farmhouse dating from the late 17th century which underwent alterations in the 19th century. It has a timber frame cased in red brick, a corrugated iron over thatch roof and a central ridge stack. 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. {1} Fen Farm, Grainthorpe. Partially extant 19th century farmstead. Row. The farmhouse is detached from the main working complex. There has been significant loss (greater than 50%) of traditional buildings. Located within or in association with a village. {2}