Introduction
This essay explores the fundamental distinction between agreements and contracts within the context of English contract law. The statement “all contracts are agreements but not all agreements are contracts” highlights a critical legal principle: while every contract originates from an agreement, not every agreement attains the status of a legally enforceable contract. This discussion will examine the essential elements that transform a mere agreement into a contract, focusing on the requirements of offer, acceptance, consideration, and intention to create legal relations. By analysing these components, supported by key legal authorities and case law, this essay aims to provide a sound understanding of this concept for undergraduate law students.
The Nature of Agreements and Contracts
At its core, an agreement represents a mutual understanding or consensus between two or more parties regarding a particular matter. However, for an agreement to be recognised as a contract under English law, it must satisfy specific legal criteria. According to Treitel (2015), a contract is a legally binding agreement that the courts will enforce if breached. This enforceability distinguishes contracts from mere agreements. For instance, a casual promise between friends to meet for coffee lacks the formal elements required for legal recognition, even though it constitutes an agreement. Therefore, while all contracts begin as agreements, the additional legal framework surrounding contracts sets them apart.
Essential Elements of a Contract
To elevate an agreement to the status of a contract, certain elements must be present. First, there must be a clear offer by one party and an unequivocal acceptance by another, forming the basis of mutual assent (Treitel, 2015). Second, consideration—something of value exchanged between the parties—is typically required, as established in *Currie v Misa* (1875), where consideration was defined as a benefit to one party or a detriment to the other. Third, there must be an intention to create legal relations, a principle notably applied in domestic contexts in *Balfour v Balfour* (1919), where the court ruled that agreements between spouses are generally not intended to be legally binding. Without these elements, an agreement remains unenforceable. For example, a social arrangement to host a party lacks consideration and legal intent, thus failing to qualify as a contract.
Limitations and Exceptions
It is worth noting that not all agreements lacking one or more elements are entirely without legal consequence. Certain agreements, such as those under a deed, do not require consideration to be enforceable (Poole, 2016). Furthermore, equity may sometimes intervene where strict contractual rules are not met, as seen in cases involving promissory estoppel. However, these exceptions do not negate the general rule that most agreements must meet contractual criteria to gain legal force. This limitation underscores the relevance of distinguishing between the broader concept of agreements and the narrower, enforceable nature of contracts.
Conclusion
In conclusion, the statement “all contracts are agreements but not all agreements are contracts” reflects a foundational principle in English contract law. While every contract is rooted in an agreement, only those agreements that satisfy the legal requirements of offer, acceptance, consideration, and intention to create legal relations attain contractual status. This distinction is crucial for understanding legal enforceability and the boundaries of informal arrangements. Indeed, recognising these elements ensures clarity in both academic study and practical application of the law, highlighting the importance of precision in contractual dealings.
References
- Poole, J. (2016) Textbook on Contract Law. 13th edn. Oxford: Oxford University Press.
- Treitel, G. H. (2015) The Law of Contract. 14th edn. London: Sweet & Maxwell.

