Tensions run high and tears threaten during the grand finale as the teams join judges Laurence Llewelyn-Bowen and Juliet Ashworth to name the winner.

With the $100,00 prize on the line, the finalists ponder how to transform their property based on the feedback they received.

In Tropical North Queensland, Gene and Sharon offer a clothing-optional rainforest oasis with a doorless bathroom and its own Fountain of Youth.

The bathroom situation of beautiful couple Jay and Leah's quaint and colorful cottage near posh Portsea brings out some ugly competition.

Breathtaking views and an abundance of dachshund-themed decor await at the Sunshine Coast penthouse owned by mother-and-son team Debbie and Justin.

Dust, flies and a finicky guest converge on the rocky landscape of remote Coober Pedy for a stay at Razz and Mark's unusual underground digs.