How long did it take to build a curtain wall castle?

The construction of a curtain wall castle typically took several years to complete, often ranging from 5 to 20 years, depending on the size, complexity, and available resources. Factors such as local materials, labor availability, and the specific design of the castle also influenced the timeline. Additionally, if the castle was being built in a strategic location, it might be prioritized for quicker completion to ensure defense against threats.