Bisset v Wilkinson [1927] AC 177
Explore Bisset v. Wilkinson (1927), a foundational case in contract law for law students studying the nuances of misrepresentation and the significance of opinions versus factual statements in contractual agreements.
Facts
A seller negotiated the sale of land in New Zealand to a purchaser intending to use it for sheep farming. During negotiations the seller expressed the view that, with proper management, it could carry about 2,000 sheep. Both parties knew that the land had not previously been run as the proposed sheep farm. The purchaser later resisted payment and sought to avoid the transaction, alleging that the statement had been a fraudulent representation. The seller maintained that the words conveyed an estimate rather than an assertion of established carrying capacity.
Legal Issue
Did the estimate of the land’s sheep-carrying capacity convey an actionable factual representation, or an honestly expressed opinion understood as such in the circumstances?
Held
The Privy Council held that the estimate was an honestly held opinion rather than an actionable misrepresentation of fact on the circumstances established. Both parties knew that the land had not previously been operated as the proposed sheep farm. The statement was therefore not understood as reporting tested carrying capacity from the seller's personal experience of that use.
The Board did not establish an immunity for every statement labelled an opinion. Its meaning depended on the speaker's knowledge and the surrounding facts. An opinion might imply that the speaker honestly held it or had a proper factual basis for expressing it. Here the evidence did not establish the alleged fraudulent representation, so the purchaser could not rescind on that basis.
⭐ Legal Principle
Whether a statement is an actionable representation of fact or an opinion depends on its meaning in context and the parties' knowledge. An honestly expressed estimate, recognised as such by both parties, may not be a factual representation. Describing a statement as opinion is not conclusive.
Significance
Bisset is best studied with Smith v Land and House Property Corporation and Esso v Mardon. Those cases show how superior knowledge or professional expertise can give an apparent opinion a factual implication or support responsibility for a forecast. Bisset concerned an estimate whose limitations were understood in the transaction. It does not establish that future predictions or evaluative statements can never generate liability. Identify the representation actually conveyed, rather than classifying a sentence by its grammatical form alone.
Common exam questions about this case
Why was the sheep estimate treated as opinion?
Both parties understood that the land had not previously been used in the proposed way. The estimate was not presented as a tested fact derived from operating that farm. In that setting it conveyed an honestly held assessment. The meaning understood in the transaction was more important than the label placed on the statement.
Would calling a statement an opinion always prevent rescission?
No. An opinion may imply supporting facts, honest belief or relevant expertise. If those implications are false and the other requirements are met, describing the statement as an opinion is insufficient. Smith v Land and House Property Corporation illustrates why the speaker's superior knowledge can affect the meaning conveyed.
How does Esso v Mardon differ from Bisset?
Esso involved a forecast made in a setting of commercial expertise and responsibility for its preparation. Bisset concerned an estimate whose untested nature was understood by the parties. The comparison directs attention to expertise, information and the assurance actually conveyed, rather than assuming that every forecast has the same legal effect.