In the past fifteen years the concept of unconscionablitity has become a significant theme in the Australian law of contract. Liberal theories, which locate freedom of contract as central, have been tempered by an increasing emphasis on justice and conscionable conduct in contractual relations. Virginia courts have defined an unconscionable contract to be "one that no man in his senses and not under a delusion would make, on the one hand, and as no fair man would accept, on the other." In other words, the inequality present in the contract must be so gross as to "shock the conscience." The landscape for business in Australia has been dramatically altered in recent years by the legislative prohibitions of misrepresentation, undue influence and, in limited cases, unconscionable conduct.
Lord Denning - "Unconscionable contract"
Unconscionable contract was first developed by Lord Denning. Followings are circumstances that diverge with his thinking and the concept of conscionability need to be taken into consideration.
In the court case Lloyd's Bank Ltd v Bundy  QB 326,336 Lord Denning was attempting to identify an underlying "unconscionability" principle based on inequality of bargaining power.
Lloyd's Bank Ltd v Bundy  QB 326,336 is a case, which an elderly father gave the family farm as security for operating a business under the son's management. However the father did not know the business was in serious trouble, and the bank manager did not disclose this information to Mr. Bundy while he obtained Mr. Bundy's signature.
Mr. Bundy, a long time customer of the bank, naive and tractable in financial matters and anxious to stand behind his only son, looked to the manager for advice and assistance. The farm had been in Mr. Bundy's family for generations; it was his only significant asset, and very important to him.