In this episode, Kristian's self-build adventure begins by his demolishing some of the old walls in his back garden to make space for the new construction, however things go slightly awry when a ton of bricks and a neighbour's car come together unexpectedly...

When the concrete for the foundations is being poured, dad David literally gets stuck in!

One of the expensive roof lights for Kristian's house goes AWOL in East London.

With the build behind schedule, relationships with friends and family become strained.

A miscalculation with the tiles sees them run out. Can Kristian find any that will match?