Art and Troy are swapping out their life running a grand old Bendigo bed and breakfast for a bold new and dramatically modern enterprise.

A couple who are building a fire proof, sustainable, non toxic house at Kinglake, an hour out of Melbourne.

Ralph Alphonso has grand plans for his 5mx4m inner city design. It will be a massive challenge on a small scale, and Ralph is adamant this eco-friendly build will not sacrifice style or luxury at the cost of the world around him.

Seasoned renovators Mark and Karen are taking on the challenge of converting a derelict 1920's electricity substation into a cutting edge home - while preserving its history and integrity.

Nick and Kate take inspiration from their vineyard location for the first build. Their architect designed home in the shape of a leaf, with a spine stone wall running through the middle and comes with a singing studio.

An abiding love of all things 1950’s, especially American design, architecture and art has been a life-long pursuit for dedicated collectors Warwick Noble and Melanie Hughes. If it’s from the 50’s, they collect it, they wear it…… or they dance to it! They live in an old fibro house built in the 50’s by Mel’s grandfather. But its boxy design has become too tight for them and their two daughters Evie 7 and Lola aged 9, so they’ve made the decision to build from scratch, and fast track to 50’s modern.

Photographer Nigel is building his first house with wife Nina on a site steeped in bushland that will form his inspiration. He's designing the house around a large Eucalyptus tree that will be the focal point.

Barbara and Bill love modernist design so they've sought an architect designed 70s style home. Bill has been diagnosed with Parkinson's disease so the home's curved roof line and glass entrance is designed for the future.

Owner/Architect Adrian is passionate about sustainable building. He has grand plans for turning his Vinegar Factory inside out by creating a four storey eco-friendly house complete with a series of walled rainforest.

Set in historic Homewood House in Surrey, England, Grand Designs Australia host Peter Maddison and Grand Designs host Kevin McCloud sit down with a cup of tea and an old fashioned slide slow to reminisce about the design features of each of the ten homes, selected from the past six seasons. The design gurus talk cladding, tiles and form, and with whiskey in hand, engage in some gentle banter over each other’s take on the architecture of their favourite builds. While the special looks over the past, it also serves as a teaser for the upcoming seventh season.