Grade I listed.
The dedication of the church is unknown.
The original name of Alciston was Aelfsige’s ton, i.e. the enclosed place of Aelsige. The Domesday Book speaks of a valuable estate at Alistone of some 50 hides and 28 ploughs.
The porch is largely 15th century, and has been much restored. Outside the porch can be found scratch marks by arrow sharpening possibly dating from Edward IV. There is also a scratch dial,and several more outside the priests door on the south side.
The Nave has a stilted trussed roof with heavy tiebeams. The chancel has no arch and its roof was restored in 1898.
The font is probably 15th century, and has been much restored. There are two bells in the turret over the west end of the nave, one dates from 1380.
After the Dissolution of the Monasteries the manor at Alciston was given to Sir John Gage in return for a knight’s fee, i.e. the provision of armed horsemen for the king’s service
Excavations in the 1980s found the remains of an apse at the east end belonging to the pre-conquest church.
The only surviving Norman window is in the north wall of the chancel.
The Church was drastically restored in 1853.
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