Basing House is a historic site located in Basingstoke, Hampshire, England. It was once a grand Tudor mansion and served as a royal residence during the reign of Henry VIII. The house played a significant role during the English Civil War, particularly in the siege of 1645, when it was heavily fortified and ultimately destroyed. Today, the ruins of Basing House are preserved as a heritage site, allowing visitors to explore its rich history. The site features informative displays and guided tours, highlighting its importance in British history and the architectural styles of the time.