Based on past experience, its my opinion that TLC along with a significant number of flippers are going to be part of a class action lawsuit inside of 5 years.
Some of the episodes clearly indicate that sub standard work was performed, and if in any of the sales were done without full disclosure, its not a long step to a lawsuit. The episodes show only a minuscule amount of footage that was shot.
I would be willing to bet that a few lawsuits are cooking already involving buyers who had no clue the house was shown on national TV **AFTER** they purchased it.
I mean, how horrified would you be sitting in your what you thought was a new home, watching TV and you suddenly see your nice new house being shown on TV on Property Ladder. Oh, so that's why the toilet fell over in the guest bath. Now I know why the roof leaks. On and on.
Bottom line, its the jury that will decide who was responsible. And to get to that point, it's going to cost a lot of billable time.
That is why you should always get a home inspection. Neither TLC or the seller have to disclose how the home was renovated, save for critical structural concerns or safety hazards. TLC might be negligent, but I'm sure someone would be suing the flipper/contractor first. Just because someone hangs a door improperly or forgets to seal the grout on the tile doesn't qualify. Buyer beware...