In Narborough Sarah meets Jamie and Charlotte who fear their house is sinking. The couple recently discovered an alarming slope in the first floor of their Edwardian home and are terrified the property could be tilting to the point of collapse. Also, the roof is leaking and black mould is growing on the walls. Sarah and her team of specialists diagnose subsidence and a serious case of roof spread that is slowly taking the supporting walls with it. Jamie and Charlotte have a dwindling budget and are seriously concerned about running out of money to fix these problems. With her no-nonsense tips and treatments for even the most extreme of property nightmares, Sarah shows them, how to save a property in peril.

• Sarah Beeny