Welton is a large church with an aisled nave, transepts, and a chancel with a north chapel and vestry. The church was restored in 1862-3 by G. G. Scott: ‘a typical restoration which resulted in a virtually new church in Scott’s favourite Middle Pointed’ (Pevsner & Neave 1995, 739; Borthwick Institute faculty papers). There is a pond or lake below the church on the north and west, held up by a dam.

All that remains of Romanesque sculpture is one reset capital and a pillar below it.

Before the Conquest Welton had been part of the manor of Howden and at one time belonged to Peterborough Abbey. William I gave the manor of Howden to the bishop and monks of Durham; in 1086, the Bishop of Durham held Welton. An earlier form of the church was cruciform with a two-bay nave (Welton 1983 with plan; Borthwick Institute faculty papers).