The tower is constructed of stone rubble and rendered on the outside, and is decorated with vertical limestone pilaster strips and strapwork. At the corners of the tower, the walls are strengthened by long vertical quoin stones bedded on horizontal slabs, and hence is termed "long and short work". The way in which the tower is decorated is unique to Anglo-Saxon architecture, and the decorated Anglo-Saxon tower itself is a phenomenon that occurs locally, including Barnack near Peterborough and Stowe Nine Churches in Northamptonshire.