Archival Designs' most popular house plans are our Castle home plans, featuring starter castle homes and luxury mansion castle designs ranging in size from just under 3000 square feet to more than 20,000 square feet. Our home Castle plans are inspired by the grand castles of Europe from England, France, Italy, Ireland, Scotland, Germany and Spain, and include castle designs from the great manor homes, grand estates and elegant French chateaux. Mixing key elements from historical house plans and luxury house plans, these Castle floor plans full of grandeur and function. Make any one of these castle plans your own by modifying them to your liking!