Grand Designs New Zealand - Season 4 (2018)

The daughter of world famous motorbike inventor, John Britten, takes on the multi-million dollar task of restoring the eclectic earthquake damaged family home.

Antiques lover Patty scours the country for historic materials to build a contemporary home. Her journey throws up weighty challenges like what to do with a hundred year old wharf?

Ric and Boio turn a tree house childhood dream into reality. But building in a pine forest where trees frequently blow over in winter storms complicates things.

Cathy and Vince strive to create a massive Italian style villa with petanque court and heated pool. But their budget takes on a life of its own.

Sustainability experts Karl and Amelie have a dream to build a home heated from the sun. But on a steep, windy Wellington hillside site they're challenged right from the start.

Photographers Johannes and Jo face double trouble - a heritage restoration with the addition of an architectural statement home on the side.

Young builder Zac wants to save money by building his own home. The problem is he's promised his mum he'll build hers at the same time - and both are on top of a sand dune.

Kate and Ian want to live in the remote Kenepuru Sound, but it's a place tradies won't go to. Instead, the pair build off site and truck the home along a dangerous road.