Season 12 Plot
Architecture Professor Anthony Burke is back with a brand new series of Grand Designs Australia following some truly brave home builders taking on the challenge of a lifetime.
Grand Designs Australia Season 12 aired on October 16th, 2025.
Season 12 Episodes
1. Cygnet Earthship
Locked out of Melbourne's soaring housing market, Matt and Kate move to Tasmania to build two Earthships with no building experience.
2. Horse Shoe Hill
Following a cancer diagnosis, Gary and Lorilie set out to build a multi-million dollar multigenerational family home.
3. Rye Cave
At Rye on the Mornington Peninsula, Ryan plans to build a unique home, with boulders in the living room, and his bedroom in a cave.
4. Dover Heights
Acclaimed Australian architect Ed Lippmann discovers transforming his childhood home into a signature steel and glass showpiece may be the most daunting assignment of his storied career.
5. Blue Mountains Tardis
Builder Nick is hoping to build his wife Rachel the ultimate house in the idyllic Blue Mountains; a place that for the first time in her life, she can finally call home.
6. Sherwood River
Richard Rowles plans to live with climate change, by building a flood proof house on the banks of the volatile Brisbane River.
7. Yass Earth Berm
Psychologist Paul North has employed his son Josh to take on the unique task of building a bullet proof earth berm house, deep in Victoria's Yass Valley, to protect them from bushfires and the extremes of climate change.
8. Interlaken Lodge
Richard and Erin Sims start out building a farm-style lodge, however it balloons into a building of epic proportions, complete with three 'wings', seven-metre-high chimneys, and thousands of hand-picked dolerite stones.
