Watch Lisa and Rosco’s nail-biting 40-minute Block auction that was too long for TV

Exclusive: Auction Day on The Block is always wild, but House 3’s auction might have been the most surprising to date – lasting over 40 minutes overall with bids flying all over the place.

While every nail-biting second couldn't feature in full in the episode, we've got it exclusively for you to watch right here in all its glory.

Lisa and Rosco were ecstatic after taking home $550k for their home from a mystery bidder we haven’t met before on The Block, but behind-the-scenes it was even more tense than you could imagine.

Watch the video above to see all the action as it happened from Mount Eliza.

If you want to know more about the mystery woman that bought their home watch the below video.

She reveals why she wanted to purchase off Lisa and Rosco specifically, and it’s not the reason you might expect.

Want a quick overview of Lisa and Rosco’s auction numbers? Here they are:

Auction Order: Third

Reserve price: $3,450,000

Sold for: $4,000,000

Total profit:  $550,000

You can check out all of the auction day results here.

Get the news you need straight to your inbox. Sign up for our nine.com.au newsletter.