Oct 16, 2025 · 57m
Locked out of Melbourne's soaring housing market, Matt and Kate move to Tasmania to build two Earthships with no building experience.


Follows intrepid individuals as they try to design and construct the home of their dreams.
Browse every episode and jump into details.
Oct 16, 2025 · 57m
Locked out of Melbourne's soaring housing market, Matt and Kate move to Tasmania to build two Earthships with no building experience.
Oct 23, 2025 · 57m
Following a cancer diagnosis, Gary and Lorilie set out to build a multi-million dollar multigenerational family home.
Oct 30, 2025 · 58m
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.
Nov 6, 2025 · 57m
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.
Nov 13, 2025 · 56m
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.
Nov 20, 2025 · 58m
Richard Rowles plans to live with climate change, by building a flood proof house on the banks of the volatile Brisbane River.
Nov 27, 2025 · 57m
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.
Dec 4, 2025 · 57m
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.
Dec 11, 2025 · 57m
Rita and James have just 230 thousand dollars to self-build a sustainable, off-grid family home for themselves and their two kids. They plan to use recycled plastic bags, milk cartons, home-made bricks, and an earthen floor.
Dec 18, 2025 · 55m
In Yarraville, Victoria, a passive house builder starts a crusade to build the healthiest home in Australia on the site of an old pigeon club house!
Quick answers about this season's release timeline and episode lineup.
Grand Designs Australia Season 12 premiered on October 16, 2025.
Grand Designs Australia Season 12 has 10 episodes.
The season opens with Season 12 Episode 1, "Cygnet Earthship". It aired on October 16, 2025.
Go to Season 12 Episode 1