The Block: Insider reveals what really happens behind-the-scene during auction week: 'So tense you could cut the air with a sledgehammer'

It's a nail-biting clip for this year's Blockheads arsenic they await auction time this Sunday.

And now erstwhile Block contestant Rachel Carr has revealed what it's for illustration down nan scenes starring up to nan large day.

In a file for Domain, Rachael, who appeared connected nan show successful 2022, explained that contestants are told nan reserve prices for their properties nan greeting of nan auction.

'The greeting of filming nan mounting of reserves was truthful tense, you could trim nan aerial pinch a sledgehammer,' she wrote.

She said nan squad pinch nan highest points past chooses nan auction bid earlier each squad meets pinch their existent property agents to talk nan reserve price.

'We hosted play unfastened houses, wherever our agents played nan domiciled of mind readers, trying to abstracted nan genuine imaginable buyers from nan enthusiastic Block fans who conscionable wanted a glimpse of their favourite houses successful person. 

'There were backstage viewings, contracts were flying around, and our agents did their champion to gauge nan dynamics of nan marketplace for these unsocial homes successful an area that hadn’t seen thing for illustration it before.'

'The Block is an obstacle people of emotion and hardship, and auction week is nan expansive finale of that chaotic ride,' she added.

Rachel and her hubby Ryan sold disconnected their five-bedroom, three-bathroom location successful Gisbourne during The Block's auction past twelvemonth for $4,250,000.

The instrumentality favourites pocketed $169,000 profit from nan sale.

However, Rachel explained that during nan bidding she was acold from optimistic that her and Ryan's location would waste astatine all.

She said location was a batch of excitement surrounding House 5, nan eventual victor for Omar and Oz, which managed to waste for $5,666,666.66, a grounds value for nan Block.

Meanwhile, Steph and Gian have been tipped arsenic nan squad to hit connected auction time this weekend.

The Block's buyers agents are predicting nan couple's lavishly appointed House 4 successful Melbourne's Hampton East will return location nan apical prize erstwhile nan Blockheads' homes spell nether nan hammer connected Saturday.

Steph and Gian's sprawling five-bedroom, four-bathroom location has been listed pinch a value guideline of $2.8million-$3million.

Buyers agents Greville Pabst, Nicole Jacobs and Frank Valentic are besides expecting a beardown showing for Eliza and Liberty's House 5, reports Relaestate.com.

The Block's auction goes to aerial connected Channel 9 connected Sunday November 5