Disused oyster pits covering Pewit island in the Pyefleet channel (between MerseaIsland and the mainland) <1>

Manorial moat.

Scatter of Roman and medieval pottery and tiles associated with TL91-103.

?Site of St Katherines Hospital (f.

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

C12 and later.

A small trench was excavated on the frontage of Trinity Street to examine the post-Roman occupation.

Trial trenches at the rear of the street frontages in advance of residential redevelopment established that significant post-Medieval deposits were deeper than anticipated and would be relatively undisturbed by the development.

Roman pottery, a post medieval clay pipe bowl, and bone recovered during work on foundations for an extension to a private house at 54 South Street in ?1984.

Anglo-Saxon? and later church demolished in 1878.