Grand Designs New Zealand takes us into the heart of life's great unfolding human stories, where ordinary Kiwi families risk all to experiment.

Anthony Burke meets retired couple David and Mandy who take on the transformation of a hugely significant historic cottage in Hobart, Tasmania.

Kirstie and Phil are in North London, home to some of the country's most expensive spots, and where property searching here is never for the faint-hearted.