How does the Doctrine of Intention to create legal relations fit into the Traditional English Law on Contract?

Under English law there are traditionally three essential elements to the formation of a contract, Offer, Acceptance and supported by Consideration. However, there is another element that needs to be examined and understood as to where it fits into contract law, the intention to create legal relations. Courts are often required to decide whether a contract is enforceable. For the role of umpire to be accomplished it is often felt essential the need to delve further than the three established factors of contract and look at the intention behind the agreement to find out whether the contract will bind a party….(short extract)