Ian and Maria live in separate flats in a modern apartment block in London, and both are suffering from health issues which they believe are down to poor ventilation in the property. Dom brings in a team of specialists to help investigate and the results are shocking - but what will the housing association who own the property do to fix the problem? Plus, Rani Price hits the streets to see what people know about their rights when buying a second hand car, and she meets an industry insider who wants to dish the dirt on dodgy debt management firms.