Richard and Felicia almost single-handedly turn an underground water reservoir in the Humber Estuary into a family home. It's an epic task. And then a life threatening illness strikes.

Edward and Hazel plan a shining white art deco lighthouse on a rugged beautiful clifftop. But almost immediately their wildly optimistic plan runs into trouble.

In one of Grand Designs most disaster-laden projects, Edward and Hazel Short looked to build a vast lighthouse-inspired home in Croyde, on a crumbling clifftop the North Devon coastline. The grand plans for the build saw loans of £3 million taken out to fund the project, but with setbacks and delays, the money was soon gone, leaving the building half-finished. Edward estimated that it would take another £2 million to complete the build.