After a siege in 1102 Robert Bloet added a curtain wall to the rampart around the bailey; the first part of the castle to be built of stone.
Along with Windsor Castle, Tickhill was John's main stronghold to protect against a suspected invasion by Philip II of France.
In 1343 the exiled Joanna of Flanders, Duchess of Brittany was imprisoned, after being declared insane, at Tickhill, while she and her son were given asylum by Edward III.
In 1644, John Lilburne and 200 dragoons from the Earl of Manchester's army marched to Tickhill, and accepted the castle's surrender on 26 July.
[1] After the Civil War, the Hansby family built a large house, which retains the fortified Norman gatehouse[5] and may incorporate parts of the old hall.