Introduction
The formation of a contract under English law hinges on the principle of objective agreement, whereby the intentions of the parties are assessed not by their subjective beliefs but by how their words and actions would reasonably be interpreted by an impartial observer. The landmark case of Smith v Hughes (1871) LR 6 QB 597 remains a foundational authority in this area, particularly for its emphasis on the objective test in determining whether a contract exists, even in cases of unilateral mistake regarding the terms of the agreement. This essay critically examines the extent to which the speeches of the Court of Appeal in Smith v Hughes provide a usable and just test for assessing contract formation. Through an analysis of the case itself, supported by subsequent legal developments and critical commentary, the discussion will explore the strengths and limitations of the objective approach, with reference to relevant case law such as Hartog v Colin & Shields (1939) and Centrovincial Estates plc v Merchant Investors Assurance Co Ltd (1983). Ultimately, this essay argues that while the test articulated in Smith v Hughes offers a practical and generally fair framework, it is not without flaws, particularly in balancing fairness between parties when one exploits a known mistake.
The Objective Test in Smith v Hughes: Origins and Rationale
In Smith v Hughes (1871), the plaintiff sold a quantity of oats to the defendant, who believed the oats to be old when they were, in fact, new. The defendant refused to accept delivery, arguing that there was no contract due to a mistake regarding the nature of the goods. The Court of Appeal, however, held that a contract had been formed, articulating the objective test for agreement. As Cockburn CJ stated, “the question is not what a man of scrupulous morality or nice honour would do under such circumstances… If, whatever a man’s real intention may be, he so conducts himself that a reasonable man would believe that he was assenting to the terms proposed by the other party, and that other party upon that belief enters into the contract with him, the man thus conducting himself would be equally bound as if he had intended to agree to the other party’s terms” (Smith v Hughes, 1871, p. 607).
This ruling established that contract formation depends on the external manifestation of assent rather than internal intentions. The rationale behind this approach is to provide certainty and predictability in commercial dealings, ensuring that parties cannot evade contractual obligations by claiming a subjective misunderstanding that was not reasonably apparent to the other party. As McKendrick (2021) notes, the objective test prioritises the reasonable interpretation of conduct over hidden intentions, thus fostering trust in transactions. However, while this approach is practical, it raises questions of justice, particularly when one party is aware of the other’s mistake and exploits it—a concern not fully addressed in the speeches of the Court of Appeal.
Usability of the Test in Practice: Strengths and Applications
The objective test from Smith v Hughes has proven highly usable in subsequent case law, providing a clear framework for courts to determine contract formation. For instance, in Hartog v Colin & Shields (1939) 3 All ER 566, the defendants mistakenly offered to sell goods at a price per pound instead of per piece, a significantly lower rate. The plaintiff attempted to enforce the contract based on this error. The court, applying the objective test, held that no contract was formed because a reasonable person would have realised the offer was a mistake. This case demonstrates the utility of the Smith v Hughes test in preventing opportunistic behaviour by ensuring that agreements are assessed from the perspective of a reasonable observer.
Furthermore, the objective test supports commercial certainty by preventing parties from relying on subjective misunderstandings to escape contractual obligations. In Centrovincial Estates plc v Merchant Investors Assurance Co Ltd (1983) Com LR 158, the court upheld a contract despite a clerical error in the terms, as the mistake was not apparent to a reasonable party. This decision reinforces the principle that the law prioritises the stability of agreements over subjective errors, aligning with the pragmatic ethos of Smith v Hughes. Indeed, Peel (2020) argues that the objective approach remains a cornerstone of contract law because it balances the need for reliability with reasonable expectations, demonstrating its ongoing relevance and applicability in modern disputes.
Limitations and Critiques: Fairness in Application
Despite its practical strengths, the test articulated in Smith v Hughes is not without limitations, particularly regarding fairness. One critical issue is the potential for injustice when a party knowingly exploits another’s mistake. In Smith v Hughes itself, the court did not consider whether the seller knew of the buyer’s misunderstanding about the oats being old, focusing solely on the buyer’s outward conduct. This raises ethical concerns, as the objective test may bind a party to terms they did not subjectively intend, especially if the other party acts in bad faith. As Atiyah (1995) suggests, the strict application of the objective test can sometimes privilege certainty over equity, leaving vulnerable parties without remedy.
Moreover, the test can be difficult to apply in complex cases where the reasonable interpretation of conduct is ambiguous. For example, in cases involving technical or specialised agreements, what constitutes a ‘reasonable’ understanding may be contentious, potentially leading to inconsistent judicial outcomes. While the objective test provides a general framework, its application often requires subjective judicial interpretation, arguably undermining the very certainty it seeks to promote. This limitation highlights that the Smith v Hughes test, though usable, is not a panacea for all issues surrounding contract formation.
Balancing Certainty and Justice: A Critical Perspective
The tension between certainty and justice remains a central critique of the Smith v Hughes test. While the objective approach undeniably supports transactional predictability—a cornerstone of commercial law—it does not adequately address scenarios where enforcing a contract results in manifest unfairness. Subsequent developments, such as the doctrine of unconscionability and the principle of estoppel, have attempted to mitigate these concerns by providing remedies in cases of exploitation or detrimental reliance. However, these doctrines operate outside the core framework of Smith v Hughes, indicating that the original test is insufficient on its own to ensure just outcomes.
Arguably, a more nuanced approach, incorporating elements of subjective intent in cases of known mistakes, could enhance fairness without unduly sacrificing certainty. For instance, some academic commentators, including McKendrick (2021), have suggested that courts should consider evidence of bad faith or exploitation as a qualification to the objective test. While this proposal risks introducing uncertainty, it underscores the need for a framework that balances the competing interests of predictability and equity—a balance not fully achieved in the speeches of Smith v Hughes.
Conclusion
In conclusion, the speeches of the Court of Appeal in Smith v Hughes (1871) provide a usable test for assessing contract formation through the objective interpretation of agreement, prioritising certainty and predictability in commercial dealings. The test has been successfully applied in cases such as Hartog v Colin & Shields and Centrovincial Estates plc v Merchant Investors Assurance Co Ltd, demonstrating its practical utility in resolving disputes over mistaken terms. However, its strict focus on external conduct can result in unjust outcomes, particularly when one party exploits a known misunderstanding, revealing a limitation in its ability to ensure fairness. While the objective test remains a fundamental principle in contract law, its application must be complemented by equitable doctrines to address ethical concerns. Ultimately, though the Smith v Hughes test is largely effective, it is not entirely just in all circumstances, suggesting a need for ongoing refinement in judicial interpretation and legal principles to better balance certainty with fairness.
References
- Atiyah, P.S. (1995) An Introduction to the Law of Contract. 5th ed. Oxford: Clarendon Press.
- McKendrick, E. (2021) Contract Law: Text, Cases, and Materials. 10th ed. Oxford: Oxford University Press.
- Peel, E. (2020) Treitel on the Law of Contract. 15th ed. London: Sweet & Maxwell.

