A couple who bought a London mansion for £32,500,000 ($40,200,000) have been told by a court that they can hand the property back and recoup most of their costs after the house was found to have a huge moth infestation.

A U.K. court has ordered a refund to a billionaire’s daughter and her husband after they unknowingly bought a $40 million London mansion with a “severe moth infestation.” Iya Patarkatsishvili, daughter of late Georgian billionaire Badri Patarkatsishvili,

The seller was found to have known about the issue since 2018 but failed to tell Iya Patarkatsishvili and Yevhen Hunyak.