The timber-framed and weatherboarded tower is probably late C17 or early C18 (see 12423 for original tower).

11th century Abbey, founded in 1096 by Eudo Dapifer and dissolved 1538. The most significant surviving element is the N. gatehouse (see MCC415), probably C15 in date, with parts of the original C12 precinct wall surviving along Mersea Road, Napier Road and Flagstaff Road (see MCC441). The site of the Abbey Church is recorded by archaeological investigations (see MCC419, MCC3067).

Castle comprised an inner bailey around a keep, and an outer bailey between the inner bailey and the N wall of the town.

Norman W tower incorporating Roman brick.

The remains of a Roman circus were discovered in 2004, during investigations in advance of the residential redevelopment of Colchester Garrison, c.400m south of the walled town. The circus was c.450m long x 75m wide and it consisted of a long, narrow U-shaped arena with evidence of eight starting-gates and a central archway at the square (west) end, and tiered seating-stands (Cavea) around the rest of the circuit. There were passageways through the seating-stands all round the circuit to provide access for the spectators (and there would have been a large archway in the curved end). A central barrier known as a spina ran down the centre, c.239m long.

12th century or earlier origin, with Roman walls for foundations, demolished in 1955.

Original medieval floors and foundations of the house and a post medieval cellar were uncovered.

West wall of nave has the oldest fabric, but date unknown (Anglo-Saxon).

Building survey and excavation here during alteration to Nos 2 and 3, and erection of a new building on the site of No 1.

Building survey and excavation carried out during alteration to Nos 2 and 3 and erection of a new building on the site of No 1.