Renowned Australian architect Peter Maddison follows people as they attempt to build their own custom dream home. In each episode, Peter presents the authentic journey and challenges behind building these homes -- many of which are architectural feats.
There are no TV Airings of Grand Designs: Unbelievable Builds in the next 14 days.
Add Grand Designs: Unbelievable Builds to your Watchlist to find out when it's coming back.
Check if it is available to stream online via "Where to Watch".