Grange Farm, Theddlethorpe All Saints, is a 19th century farmstead and placename evidence for a grange. {1} Grange Farm, Theddlethorpe All Saints. Partially extant 19th century farmstead. Loose courtyard. The farmhouse is detached with the gable end facing on to the yard. There has been a partial loss (less than 50%) of traditional buildings. Isolated location. Large modern sheds are located to the side of the site. {2}