Where the contract for the purchase of property for redevelopment was notfrustrated when the buildings on the land was listed as being of architectural or historical interest, so that redevelopment became almost impossible. The Court of Appeal, applying Davies Contractors[1], held that the risk of the property was with the plaintiff purchaser because the defendants genuinely did not know of the listing and that the said listing occurred after the contract was signed. Indeed, “the frustrated expectations and intentions of one party to a contract do not necessarily, or indeed usually, lead to the frustration of the contract