After eight weeks of exhausting renovations all four houses are finally open for inspection and then go under the hammer at auction to decide which couple will take out the $100,000 prize.
| Title | The Block Auction |
|---|---|
| Genres | Reality |
| Release Date | 2011-08-21 |
| Episode Runtime | 01 Hours 00 Minutes |
| Season Number | 4 |
| Episode Number | 51 |
| Production Companies | Watercress Productions, Cavalier Productions |
