Grand Designs NZ October 19, 2018October 25, 2018 shtv 0 Comments Grand Designs, New Zealand, NZ Grand Designs NZ s04e03 Views: 3777 (No Ratings Yet)Loading... Video DescriptionHamner Springs Tree House: 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.First Broadcast: Wed Oct 17, 2018Links: TVDB – IMDB Next Episode Episode List