The architect meets master craftsman Paul, who has muscular dystrophy and is saving a Victorian circus wagon. George also finds out about a grain store being re-imagined as a festival bar, discovers a small hotel disguised as a tree and a camping pod that looks like a giant conker.

The architect meets Tim, who plans to make a barn out of discarded windows and old driftwood, and novice builder Mandy, who is creating a retirement home in a minivan for her and her cat. Also, George and Will Hardie finally finish their Victorian-inspired observatory.