1.   It is a three-aisled basilica of stone with a four-bay nave which has clerestory windows above the nave arcade and a timber roof.

2.   Stone vaulting developed fairly late and most of these vaults are replacements of the timber roofs.

3.   The main hall of the palace is built over a large undercroft and has twin naves with columns supporting a timber roof.

4.   Contemporary with the fan vault was the equally English development of the timber roof, used to cover church naves, guild and domestic halls.

5.   There is a fine hall inside on the first floor which has a pendant timber roof and modern frescoes round the walls.

6.   Vaults have generally replaced the original timber roofs in the later Middle Ages and most churches have a detached, later campanile.

7.   The restoration has been excellently carried out and the interior retains its early Christian feeling, with the long nave, Ionic colonnade and timber roof.