Headquarters were in Castle Chambers, later moving to Hotel Metropole (now the Cavendish).

In 1608 Castle Chamber, the equivalent of Star Chamber began an inquiry into the forgery allegation.

He was a member of the Privy Council of Ireland and sat on the Court of Castle Chamber.

Castle Chamber was not noted for effectiveness and this verdict achieved little.

Castle Chamber, like its model Star Chamber, was accused of brutal and arbitrary proceedings.

Star Chamber was noted for severe penalties, and Castle Chamber acquired the same reputation, although it is not clear if it was fully deserved.

Several of the Graces were designed to curb excessive use of power by Castle Chamber, though at this stage there was no threat to its existence.

Strafford, Lord Deputy 1632-41, was determined to impose a strong authoritarian rule in Ireland and for this Castle Chamber was a suitable vehicle.

It has however been argued that ordinary litigants under Strafford saw the Castle Chamber as a court where they might receive impartial justice against the powerful.

In 1641 Castle Chamber simply ceased to operate, although it still existed on paper after the Restoration.