The following text is from the original listed building designation:
TR 34 NW LANGDON EAST LANGDON west side
2/27 Chest tomb about 5m north west of GV of church of St Augustine
II
Tomb chest. Early C16. Moulded stone slab on low brick side walls, more a raised tomb stone than a real chest. Said to be placed here according to the will of William Forestall (d.1534) for people to sit on while awaiting the arrival of the priest. (See church guide book). Included for group value.
Listing NGR: TR3320646164

English Heritage, List of Buildings of Special Architectural or Historic Interest (Map). SKE16160.