Medieval tile from the upper levels of the Mount found during excavation.

C17 south porch of timber on red brick walls using earlier timber components.

C17 tile kiln, partially excavated by CAG in 1959.

C12 nave with apsidal chancel, extended in the C13; C15 south porch (rebuilt in 1910-11).

C17 Civil War gun platform.

Remains of the Roman West postern at St Mary's Steps were found to be a drain though used for access in medieval and later times.

Only church in Colchester mentioned in Domesday Survey.

Rebuilt in brick, 1713-14 after the Civil War siege of 1648, later demolsihed apart from the W tower, to make way for the present red brick structure.

Built on the site of a Roman Building

The bastion and Medieval town wall adjacent to it were built partly on the foundations of the Roman town wall and partly on the natural yellow sand.