Rip off Britain - Season 11 Episode 5 -

With the bricks and mortar of some houses apparently crumbling away, the team investigates the quality of new build homes, identifying a new solution that could bring an end to disputes. Plus the property investment opportunity that's left dozens of people fearing for their cash. And coming to a letterbox near you: the mystery parcels baffling homeowners up and down the country. The unexpected explanation is revealed.