Earthworks indicating rectilinear ditched enclosures and a circular dwelling have been found, evidenced through crop marks and aerial photographs.

In 1086 it consisted of 6 villagers, 14 freemen and 5 smallholders, land for 6 plough teams, a 30 acres (0.12 km2) meadow and a church.

In 1066 lordship of the manor was held by the Abbey of St Peter, Peterborough, being transferred to Gilbert de Ghent in 1086.

[7] Walcot is recorded in the 1872 White's Directory as a "pleasant village" northwest of "Falkingham" (Folkingham), and 4 miles (6 km) from Billingborough railway station.

Close to the village was a chalybeate spring, White's stating that it was "formally noted for medicinal virtues, but it lost its reputation many years ago".

It consists of a Perpendicular clerestory, a nave, aisles, and a tower with crocketed broached spire containing 4 bells.

Pevsner notes a 17th-century south entrance panelled door incorporating a wicket gate, and the existence of an 1809 paten by William Fountain.