[1] Hosts Scott Cam and Shelley Craft, site foremen Keith Schleiger and Dan Reilly, and judges Neale Whitaker, Shaynna Blaze and Darren Palmer, all returned from the previous season.

[2] Applications for the seventeenth season of the series opened in August 2020 until 27 September 2020, looking for couples aged between 18 and 65 years old being sought by casting agents.

[3] Filming is expected to be a 10–12 week shoot period from late February 2021[4] In September 2020, the seventeenth season of The Block was officially confirmed at Nine's 2021 upfronts.

[7][8] In December 2020, it was confirmed that Bronte Court will be the next location for renovation, Nine Network acquired five houses in the area for $11.5 million combined.

The couples selected were as follows:[12] Of the new "Fans" Josh & Luke Packham have previously participated on Love Island Australia.

When the photo was brought to Scott Cam's attention, he wiped the schedule clean and said they would pick rooms at random to complete for the rest of the season.

[14] Scott Cam punished Tanya and Vito and Josh and Luke by deducting two points per team, effectively ruling them out from winning Basement Week.

They later managed to convince Tanya to come out with her part by implementing the fake ex-tradie story which most people believed.

As per the rules Tanya & Vito were required to pay for their late install, but instead they manipulated Kinsman who agreed to do it for free.

Most fans felt that the punishment should have been much higher, and like suggested by Ronnie, have all points and extra money taken away from the responsible teams.

The producers and casting agents of the show were also brought under fire, fans questioning the choices of Josh & Luke and Tanya & Vito as contestants.