The Block contestants Carleen and Dan drop from first to last in the betting

Former VFL player Dan Foley and wife Carleen have gone from first to last in the betting for The Block 2016 winner.

The Perth couple, who are the oldest contestant the show has ever had, started as $3.20 favourites, however they've drifted to $6.50 with Ladbrokes.

Will and Karlie have moved into the favourites position, offering a $3.20 price, after winning the guest bedroom room.

The Block week 2 scores

Will and Karlie: 27/30

Kim and Chris: 26.5/30

Ben and Andy: 23.5/30

Julia and Sasha: 21.5/30

Dan and Carleen: 17.5/30