There are 4 listed buildings in Theddlethorpe All Saints.[6] Theddlethorpe All Saints has a redundant church called All Saints’ Church.[7]
Hall Farmhouse is a Grade II listed 16th-century red-brick house, altered about 1680 with more alterations in the late 18th and 19th centuries.[8]
Within the parish there is a medievalmoat, extant in 1963 but now only visible as cropmarks. A hearth tile bearing the arms of the Angevin family was found when excavation took place in the moated enclosure near Theddlethorpe All Saints’ church. The house within the moat was called Keleshall.[9]
History
The name "Theddlethorpe" means 'Theodlac's outlying farm/settlement'.[10]