That means fans will have to keep watching the TV3 show to find out how the four teams are doing and view the rest of their work.
The first public viewings will be held at open homes on Saturday.
Team members Maree and James, Jo and Damo, Alex and Corban, and Quinn and Ben will be on site, and the event will be filmed for an upcoming episode.
At the show's 2012 and 2013 open homes, thousands of viewers traipsed through the houses.
According to Nielsen's Television Audience Measurement, The Block NZ is one of the three most watched evening programmes in New Zealand, with more than 332,000 people tuning in to watch each night this week.