The Block's notorious Hell Week is set to kick off.
But twins Josh and Luke Packham struggle to complete the hallway and laundry - which are arguably the most difficult rooms in the competition.
Luke told TV Week:' Josh and I had an idea of what we wanted to do in each room but never really thought much about how to connect them and what to do with the halls. It was only once we'd started that we realised what a big job that is.'
Will they finish their rooms? The Block twins Josh and Luke Packham struggle to finish their hallway and laundry during Hell Week
He explained how problems started when the plasterers weren't able to begin work when they needed to.
This then caused other delays, which made it difficult for the twins to complete their rooms on time.
'At the end of the day, hallways are