The Roman Legionary fortress at Colchester, AD 43-49. Covering about 20ha., it was the normal size to be expected for a legion. It has a large annexe of its east side, the exact position and extent of which remains unknown.

Roman Legionary Fortress barrack block, Mercury Theatre, recorded by evaluation in 1997.

Roman Legionary barrack building (CAT Building 1), within Legionary barracks, recorded during the major excavations, 1971-4.

Roman Legionary barrack building (CAT Building 6), within Legionary barracks, recorded during the major excavations, 1971-4.

Roman Legionary Barrack Block 2 (CAT Building 132) of the Legionary Fortress at the Gilberd School Site, 1984-5.

Roman Legionary barrack building (CAT Building 2), within Legionary barracks, recorded during the major excavations, 1971-4.

Roman Legionary barrack building (CAT Building 3), within Legionary barracks, recorded during the major excavations, 1971-4.

Roman Legionary barrack building (CAT Building 4), within Legionary barracks, recorded during the major excavations, 1971-4.

Roman Barrack Block (CAT Building 80) of the Roman Legionary Fortress, recorded during excavations at Culver Street 1981-2 and 1984-5.

Roman Barrack Block (CAT Building 81) of the Roman Legionary Fortress, recorded during excavations at Culver Street 1981-2 and 1984-5.