Our series of case studies look at the key learning points from our 2020 award winners and highly commended. The HMP Five Wells won Offsite Project of the Year and it was used as a platform to educate, train and inspire industry professionals to fully appreciate all aspects of digital and DfMA approaches. Quality, durability and security are critical requirements for delivering operational excellence. Therefore, adopting the route of prefabrication allowed the team to exceed environmental targets.