The Grange, Mablethorpe, is a 19th century farmstead and placename evidence for a grange. {1} The Grange, Mablethorpe and Sutton. Partially extant 19th century farmstead. Regular courtyard of U plan. 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 on the site. {2}