William and the Normans started construction of the castle at Nottingham. This would have been a wooden building. It was built on the high ground above the town using the step slope down to the river Leen as a defence.
Robert D'Oilly was given the task of building a castle at Oxford by William the Conqueror at the important Thames river crossing. A motte and bailey castle would have been the type of castle built at this time.
The first of two castles located in London taking the name Baynard's Castle was built shortly after the Norman Conquest by Ralph Baynard, a Norman who was granted large amounts of land by William the Conqueror. The castle was demolished by King John in 1213.
William the Conqueror may have ordered the creation of a castle at Cardiff during his tour of Southern Wales. The first castle on the site would have been a motte and bailey type and it was built on the site of existing Roman fortifications.
TimeRef UK Castles Mobile App for Android Phone
This Android app allows you to find castles thar are near you. Currently the app includes only English and Welsh castles.