A mill house dating from the mid 18th century which underwent alterations in the 19th century. It was constructed of red brick and has a pantile roof with a single brick coped gable and single, partly external, gable and ridge rendered stacks. 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} Mill Farm (Wilton Windmill), Welton Le Marsh. Partially extant 19th century farmstead. Regular courtyard with L-plan range plus detached buildings to the third side of the yard. The farmhouse is detached from the main working complex. There has been significant loss (greater than 50%) of traditional buildings. Isolated location. Large modern sheds are located to the side of the site. {2}