Grand Designs S19E07 - Revisited - East Devon: Cob Castle

Kevin McCloud returns to Devon to meet Kevin McCabe, a man who wanted to build one of the biggest houses the programme has ever seen. Finally, seven years after it began, the herculean task of building this giant cob castle is complete. Has it proven to be the great home he originally intended, and does it prove as he hoped that cob is a viable material for contemporary architecture?