The roof of the church is a good example of a wagon vault (also called a barrel vault). Wagon vaults were rarely used after the 14th century.

Carved bosses are fixed where each of the ceiling purlins and braces intersect. They are probably 20th century replacements for earlier, similar bosses. Many of them have been re-fixed as they had become loose.

The ceiling panels are made with lath and plaster and overall were in reasonably good condition. Any damaged panels have been repaired using traditional materials.