The team explore the extraordinary time capsule Llwyn Celyn Farm, which is to undergo a three million pound restoration after surviving almost unchanged for almost 550 years. Plus, John Evetts continues working on Hougoumont Farm on the Waterloo battlefield in preparation for its opening by Prince Charles. At Belmont House, Lyme Regis, Anna oversees the reconstruction of a 250-year-old veranda and discovers why author John Fowles made it his home for 40 years.