Trevor and Jeanette are looking to build a very special home close to nature in which Trevor can move about easily in his wheelchair. When a 15 acre block with river frontage comes on the market, they pounce.

After a fire destroyed the much-loved homestead on Alistair and Belinda's dairy farm, they embark on a bold new project to create a comfortable home that looks like a dairy shed, complete with silos for bedrooms.

Building a big house in inner-city Melbourne is a tricky business. But architect Annalise and project manager Kim have a plan to turn their 1850s terrace into a multi-storied modern home with a triple car-stacker.

Gary and Clare left the hustle and bustle of Sydney for a more peaceful pace with plans of building a spaceship-like domed house, reminiscent of the beautiful vaulted structures seen in Europe.

Lynne and Paul have found a beautiful stretch of coastal wilderness with panoramic views over the Tasman Sea. With plans to build a huge modern home, Paul will project manage while living on site.

Retirees and childhood sweethearts Liz and Warren have taken on a hundred-acre Macadamia farm in the Byron Bay hinterland, with grand plans to build an epic five-bedroom, Mediterranean-style villa-cum-castle.

Tani and Tim have plans to build a medieval 'earth castle' on their 60 acre property. Built into the sides of a man-made dam, there are plans for a drawbridge, turret, underground tunnels and even a moat.

Architect Ben and artist Tania decide to get creative with a tiny discarded scrap of land in one of North Melbourne's grittier back lanes. Can their grand dreams materialise from their not-so-grand budget?

A couple purchases a 100-year-old vinegar factory in the hipster suburb of Northcote in Melbourne and plans to build a show-stopping home for the family.

Hardworking GP Zewlan Moor and her electrician husband Tom Naulty, who is now a stay-at-home dad to their two children, want an architect-designed house in a great location on a shoestring budget.

Trace and Ronnen created an original grand design in Victoria that incorporated a house, garden, stables, and animal enclosures when they combined their differences to construct their very own giant greenhouse.

In the bush ranger territory of the Strathbogie Ranges, Eddie and Dot dream of a home with a magnificent 360 degree view. Can they work around the huge granite boulders to achieve their dream?

Lori and Morgan are building a funky modern house on a tight suburban site. This family home will have a lot of fun elements including a trapeze net, car parking stacker and a paper plane garden sculpture.

Stephen has spent the last15 years at the helm of his own construction company building homes for other people. Now with his first child on the way, he's finally building his own, and the plan is to make it grand.

Tony and Tania want a million dollar house on a $400,000 budget. Working off handshake deals with the architect and builder, will their dream home be finished?

Alice is a long term fan of the small house movement and on a sloping site facing the Southern Ocean. She's creating a petite 40 square metre pod, offering all she needs and nothing more.

Tabitha and Chris always dreamt of living in the forest. They bought 120 acres of rainforest in Toolangi and are building a farmhouse that will be a sustainable, economical, fire-proof and completely off grid.

Peter is building an underground eco bunker that's self-sufficient, sleek and completely one of a kind. From the outside it will eventually look like a bush garden, but below ground, a man cave.

Mike and Megan, a passionate pair of creatives are attempting to build a modernist house on a modest footprint. Mike designed the house himself to include only what they need, and only what they use.

David and Sarah are in love with Mt Tamborine, the place they were married 22 years ago. They're now about to build a long-awaited home-away-from-home there, on lush mountain acreage boasting a rainforest and creek.

Barbara and Craig have built two companies from the ground up, so when they decided to embark on their dream home, it wasn't surprising they threw out the rule book and decided to do it their way, with a building system that's untested.