South Carlton church is dedicated to Saint John the Baptist, and is a Grade I listed building dating from the 12th century with later alterations. After "various 18th and 19th century mutilations"Cox, J. Charles (1916) Lincolnshire p. 96; Methuen & Co. Ltd. it was almost entirely rebuilt in 1859, mostly by Samuel Sanders Teulon, and, according to Pevsner, presented "an unpromising exterior".Pevsner, Nikolaus; Harris, John; The Buildings of England: Lincolnshire p. 367; Penguin, (1964); revised by Nicholas Antram (1989), Yale University Press.
