William the Conqueror
Norwich tower was the first stone keep
12th centory 1189
The square keep probably came first because it seemed to be more developed then the shell keep
when was the first circular keep castle built
The first stone castle was built in the city of norwich in the 12th century by duke William of Normandy
I am not sure who originally built it but the first Lord Crewe restored and added to it after the war of roses and later by the First Lord Armstrong
Caesar's tower and Guys' tower were the first to be built but the oldest part that was ever built was the keep in the motte and bailey castle.
Square keep castles were made out of stone. See the link for Norman castles: (See Related Links)
square stone keep castle
A stone or square keep castle is the extention of a motte and bailey castle.
The Warwick Castle was built in the year 1068. The Warwick Castle was built to help William the Conqueror keep control of the midland area as he advanced. The first church was founded in the castle in 1119.
No, it is part of a castle.