Complex sentence: The church was enlarged in around 1290 by Sir William de Oddingeseles with the addition or rebuilding of the central tower, the upper part of the chancel, and a vaulted chamber and chapel dedicated to St. Alphege to the north of it.
Split into simpler sentences: The church was enlarged in the 13th century, with the addition or rebuilding of the central tower. A scheme of enlargement was begun, probably by Sir William de Oddingeseles in around 1290, with the rebuilding of the upper part of the chancel, and the addition of the vaulted chamber and chapel of St. Alphege north of it.