He invested a considerable amount in its development, spending more money in Windsor than on any of his other estates.
After marrying Eleanor of Provence, a French noblewoman who became Queen of England as the wife of Henry III, Henry built a luxurious palace at Windsor between 1240-63.
A number of buildings were built in the lower courtyard, including a 21 m-long chapel, later called the Chapel of Our Lady. It was the most magnificent of the numerous chapels built for the ruler's use, comparable in size and quality to the Sainte-Chapelle in Paris.
