Details
Case: London Assurance v. Mansel
Citation: (1879) 11 Ch. D. 363 / 41 L.T. 225
Court: Chancery Division, England
Judge: Sir George Jessel, Master of the Rolls
Main Principle: Duty of utmost good faith and disclosure of material facts in insurance contracts
Introduction
London Assurance v. Mansel is an important case in insurance law because it clearly demonstrates that an insurance contract is based on utmost good faith (uberrimae fidei). The person seeking insurance is required to disclose all material facts which may influence the insurer in deciding whether to accept the risk or on what terms. The case is particularly important in relation to life insurance, where the insurer depends heavily on information supplied by the person seeking insurance.
Insurance is a contract in which one party, called the insurer, agrees to provide financial protection against a specified risk in return for a premium paid by the insured.
Unlike an ordinary commercial contract, an insurance contract is traditionally regarded as a contract of utmost good faith. This means that both parties must deal honestly and fairly with each other. However, the duty of disclosure is particularly important for the person applying for insurance because the applicant generally possesses information about his health, previous insurance history, previous claims, financial position, and other circumstances which may not be known to the insurer.
Insurance contracts are different from ordinary contracts because the insurer usually does not have complete knowledge of the circumstances surrounding the risk. The person seeking insurance generally knows more about his own circumstances, previous insurance applications, health, financial position and other relevant matters. Therefore, the law places a duty on the applicant to act honestly and disclose material facts to the insurer.
The principle was famously expressed in the insurance context in Carter v. Boehm, but London Assurance v. Mansel is an important application of that principle to life insurance. The case shows that even if an applicant does not make an expressly false statement, giving an incomplete or misleading answer concerning a material matter can amount to non-disclosure.
Details of the Case
The case involved Mansel, who wanted to obtain life insurance from the London Assurance company.As part of the proposal process, the insurance company asked Mansel questions concerning whether he had previously made proposals for life insurance to other insurance offices and what had happened to those proposals.
Mansel disclosed that he was already insured with two offices for £16,000 at ordinary rates, and that those policies had been effected in the previous year.However, he did not disclose that several other insurance companies had previously declined proposals for insurance on his life.The insurance company subsequently discovered this information.
The central question before the court was whether the failure to disclose these rejected proposals amounted to concealment of a material fact and whether the insurer was therefore entitled to avoid the insurance contract.
Facts of the Case
The facts can be understood step-by-step.
- Mansel applied for life insurance
Mansel approached the London Assurance and made a proposal for life insurance.
As part of the application, he had to answer questions relating to his previous insurance proposals.
- The insurance company asked about previous proposals
One of the questions essentially asked whether a proposal had ever been made on his life at another insurance office and, if so, whether the proposal had been:
- accepted at the ordinary premium;
- accepted at an increased premium; or
- declined.
This question was important because an insurer would naturally want to know whether other insurance companies had previously considered the applicant’s life to be an undesirable or unusual risk.
- Mansel gave an incomplete answer
Mansel answered:
“Insured now in two offices for £16,000 at ordinary rates. Policies effected last year.”
Thus, he disclosed that he already had insurance with two offices.
However, he failed to disclose that proposals for insurance on his life had been declined by several other insurance companies.
The companies which had declined proposals included the Clerical, Medical and General Life Assurance Society, the Scottish Amicable Life Assurance Society and the Law Life Assurance Society.
- The proposal was accepted
The London Assurance accepted Mansel’s proposal.
The proposal form contained a declaration stating, in substance, that the information supplied by Mansel would form the basis of the contract between him and the insurance company.
- The insurer later discovered the truth
After accepting the proposal, the insurance company discovered that several other insurance offices had refused to insure Mansel.
The company considered this information important because repeated refusals by other insurers could indicate that there was something concerning about the proposed risk.
- The insurer sought to avoid the contract
The London Assurance therefore argued that Mansel had failed to disclose a material fact and that the contract should consequently be set aside.
Issue Raised Before the Court
The main issue before the court was:
- Whether Mansel’s failure to disclose that several other insurance companies had declined proposals on his life amounted to non-disclosure of a material fact, thereby entitling the London Assurance to avoid the insurance contract.
- Whether the principle of utmost good faith was violated
- Whether the insurer could avoid the contract
Arguments of the Parties
Arguments of London Assurance
The London Assurance Company argued that Mansel had failed to disclose important information which was directly relevant to his application for life insurance. According to the company, the insurance contract was based on the principle of utmost good faith, and Mansel had a legal duty to give complete and truthful information about matters that could influence the company’s decision to insure him.
The main arguments of the London Assurance were as follows:
- Previous insurance refusals were material facts
The company argued that the fact that several other insurance companies had previously declined to insure Mansel was a material fact.
An insurance company deciding whether to accept a person’s life as an insurance risk would naturally want to know whether other insurers had previously considered the same person and rejected the proposal.
The company argued that such information could influence its decision regarding:
- whether to accept Mansel’s proposal;
- whether to reject it;
- whether to conduct further investigation; or
- whether to impose different conditions or charge a higher premium.
Therefore, the previous refusals could not be treated as irrelevant information.
- Mansel was specifically asked about previous proposals
The London Assurance relied heavily on the proposal form.
Mansel had been specifically asked whether proposals had previously been made on his life and, if so, whether they had been accepted or declined.
Therefore, according to the company, Mansel could not argue that he did not know that this information was relevant.
The question itself made it clear that the company considered previous insurance proposals and their results to be important.
- Mansel gave an incomplete answer
The company argued that Mansel’s answer was incomplete and misleading.
He stated that he was already insured in two offices for £16,000 at ordinary rates.
However, he failed to mention that several other companies had previously refused his proposals.
Thus, although the statement he made about his existing insurance might have been true, it did not provide the London Assurance with the complete information requested in the proposal form.
The company argued that an applicant cannot avoid his duty of disclosure merely by giving a technically true answer while leaving out an important part of the information.
- The information could affect the insurer’s assessment of risk
The London Assurance argued that insurance companies assess risk based on all relevant information available to them.
If the company had known that several other insurers had already rejected Mansel’s proposals, it might have asked further questions or made additional investigations before accepting his life for insurance.
Therefore, the company argued that the omitted information was capable of influencing the judgment of a reasonable insurer.
This was sufficient to make it a material fact.
- The duty of utmost good faith had been breached
The company further argued that life insurance is a contract of utmost good faith (uberrimae fidei).
Because Mansel was the person seeking insurance, he possessed information about his previous insurance history which the company did not independently know.
He was therefore under a duty to disclose relevant material information.
According to the London Assurance, by failing to disclose the previous refusals, Mansel had breached this duty.
- The proposal form formed the basis of the contract
Another important argument was that Mansel had signed a declaration stating, in substance, that the information provided in his proposal would form the basis of the insurance contract.
The company argued that it had accepted the risk on the basis of the information supplied by Mansel.
If important information had been withheld, the company had not been given the opportunity to make its decision on the basis of the true circumstances.
Therefore, the company argued that the contract could not fairly be allowed to continue.
- The insurer should be entitled to avoid the contract
Finally, the London Assurance argued that the consequence of material non-disclosure should be that the company was entitled to avoid the insurance contract.
The company did not have to prove that Mansel’s previous refusals necessarily meant that he was actually an unhealthy person or an unacceptable risk.
Its argument was that the information was material because it could have influenced the decision of a prudent insurer.
Arguments of Mansel
Mansel, on the other hand, defended the validity of the insurance contract and disputed the London Assurance Company’s claim that he had committed material non-disclosure. His position was essentially that the information which he had not disclosed was not sufficiently material to justify cancelling the insurance contract.
His arguments can be understood as follows:
- He had not made a deliberate false statement
Mansel could argue that he had not directly lied in his proposal form.
He stated that he was already insured in two offices for £16,000 at ordinary rates, and that those policies had been effected the previous year.
That statement was true.
Therefore, he could argue that the company should not treat his answer as an intentional misrepresentation merely because he had not mentioned every previous insurance proposal.
- Previous rejection did not necessarily mean he was a bad risk
Mansel’s important argument was that the mere fact that another insurance company had declined a proposal did not necessarily mean that there was something wrong with his health or character.
An insurance company might reject a proposal for many different reasons.
Therefore, the fact of rejection, by itself, did not prove that Mansel was an unhealthy or dangerous insurance risk.
He could therefore argue that the previous refusals should not automatically be treated as material facts.
- His medical condition was not necessarily the reason for rejection
Mansel’s position was also supported by the fact that he had apparently been medically examined and was considered a good life by medical officers.
Therefore, he could argue that the previous refusals did not necessarily indicate any hidden medical problem.
In other words, he could say:
“The fact that some companies refused my proposals does not mean that there was anything medically wrong with me.”
This was relevant because life insurance companies are particularly concerned with the health and life expectancy of the person being insured.
- He had already disclosed substantial existing insurance
Mansel had disclosed that he was already insured in two offices for £16,000 at ordinary rates.
He could argue that this information itself demonstrated that other insurance companies had considered him an acceptable insurance risk.
Therefore, the London Assurance was not dealing with someone who had never been accepted for life insurance.
He had already obtained substantial insurance at ordinary rates, which could support his argument that he was considered a normal insurance risk.
- The previous refusals were not necessarily decisive
Mansel could argue that the decision of another insurance company was not binding on the London Assurance.
Every insurance company assesses risk independently.
Therefore, the fact that one or more companies had refused him did not necessarily mean that the London Assurance would have refused him if it had known about those decisions.
In this sense, he could argue that the previous refusals should not automatically be treated as facts that would have influenced the London Assurance’s decision.
- There was no intention to deceive the company
Another important aspect of Mansel’s defence was the absence of an intention to deceive.
He could argue that he did not deliberately conceal the information with the purpose of obtaining insurance that he otherwise could not have obtained.
The law concerning material non-disclosure, however, focuses primarily on the materiality of the information, rather than simply on whether the applicant intended to deceive.
This ultimately made Mansel’s position difficult.
- The company had accepted his proposal
Mansel could also rely on the fact that the London Assurance had accepted his proposal after receiving his answers.
He could argue that the company had the opportunity to assess his application and had decided to accept the risk.
Therefore, he resisted the company’s attempt to subsequently invalidate the contract.
Laws Applied
- Principle of Utmost Good Faith (Uberrimae Fidei)
The most important legal principle applied was the doctrine of utmost good faith, traditionally expressed as uberrimae fidei.
An insurance contract is based on a special relationship of trust because the insurer does not possess all the information necessary to assess the risk. The person applying for insurance generally knows more about his own circumstances.
- Duty to Disclose Material Facts
The second major principle was the duty of disclosure.
A person applying for insurance must disclose facts which are material to the risk.
A fact is material if it would influence the judgment of a prudent insurer when deciding:
- whether to accept the risk;
- whether to reject the risk;
- whether to charge a higher premium; or
- whether to impose different conditions.
- Materiality of Previous Insurance Refusals
- The court specifically considered whether the fact that other insurance companies had declined Mansel’s proposals was material.
- The court held that it was.
- The reasoning was practical: an insurance company would attach importance to knowing whether other insurers had already considered the applicant and decided not to insure him.
- Therefore, Mansel was required to disclose this information.
- Right of the Insurer to Avoid the Contract
- The legal consequence of material non-disclosure was the insurer’s right to avoid the insurance contract.
- Once the court found that Mansel had failed to disclose a material fact, the London Assurance was entitled to treat the contract as voidable because of the non-disclosure.
- Proposal Form as the Basis of the Contract
- Another important legal principle concerned the insurance proposal form.
- Mansel’s proposal contained a declaration that the statements and information given in the proposal would form the basis of the insurance contract.
- Therefore, the insurer was entitled to rely upon the information supplied by Mansel when deciding whether to accept the risk.
- If a material fact was omitted from the information supplied, the insurer could argue that it had accepted the risk without the full information necessary to make its decision.
Judgment of the Court:
The judgment in London Assurance v. Mansel is important because the court clearly applied the principle of utmost good faith (uberrimae fidei) to a life insurance contract.
The case was decided by Sir George Jessel, Master of the Rolls, in the Chancery Division in 1879.
- Judgment was in favour of London Assurance
The court decided in favour of the London Assurance Company.
The court held that Mansel had failed to disclose a material fact when he did not inform the company that several other insurance offices had previously declined proposals to insure his life.
As a result, the London Assurance was entitled to avoid the insurance contract.
- Previous refusals by other insurers were material
The most important finding of the court was that the previous refusals were material facts.
The court recognised that an insurance company would naturally be interested in knowing what other insurance companies had decided when considering the same person’s life.
If several insurance offices had already declined to insure Mansel, this was information that could reasonably influence the London Assurance in deciding whether to accept his proposal.
Therefore, Mansel could not simply ignore those previous decisions.
- The proposal form made the information particularly important
The court also considered the wording of the proposal form.
Mansel had been specifically asked whether proposals had previously been made on his life and whether those proposals had been:
- accepted at ordinary rates;
- accepted at increased rates; or
- declined.
Therefore, this was not a situation where the applicant was expected to guess what information might be relevant.
The company had specifically asked him about previous insurance proposals and their results.
Mansel’s failure to disclose the declined proposals therefore became particularly significant.
- A technically true answer was not sufficient
The court’s reasoning is important because Mansel had not necessarily made an outright false statement.
He had stated that he was already insured in two offices for £16,000 at ordinary rates.
However, the court considered that this did not provide the complete information requested.
Mansel had failed to reveal that other insurance companies had previously refused his proposals.
Thus, the case demonstrates that in insurance law:
A person cannot avoid the duty of disclosure merely by giving a technically true answer while concealing another material part of the information.
The overall answer must not leave the insurer with a misleading or incomplete understanding of the risk.
- Principle of utmost good faith
The court applied the principle that insurance contracts are contracts of utmost good faith (uberrimae fidei).
The person seeking insurance must disclose facts which are material to the risk.
The insurer is entitled to receive the information necessary to make an informed decision about whether to accept the risk.
In this case, Mansel knew about the previous refusals, while the London Assurance did not.
Therefore, Mansel had a duty to disclose them.
- The court considered the effect on a prudent insurer
The important test was essentially whether the information could influence the judgment of an insurer.
The court recognised that previous refusals by other insurance companies could make an insurer ask further questions or investigate the applicant more carefully.
The court therefore treated the information as sufficiently important to be material.
It was not necessary to establish that the London Assurance would definitely have refused Mansel if it had known the truth.
It was enough that the information was of a nature that could influence the insurer’s assessment of the risk.
- The insurance contract could be avoided
Because there had been material non-disclosure, the London Assurance was entitled to avoid the contract.
The effect was that the insurer could treat the insurance contract as voidable at its option because it had accepted the risk without being given all the material information.
This is an important distinction:
The contract was not automatically invalid merely because the information was not disclosed. Rather, the insurer was entitled to avoid it because of the material non-disclosure.
Ratio Decidendi
The main legal principle or ratio decidendi of the case can be stated as:
Where an applicant for insurance fails to disclose a material fact which could influence the judgment of a prudent insurer, particularly where the information has been specifically asked for in the proposal form, the insurer is entitled to avoid the insurance contract.
In London Assurance v. Mansel, the fact that other insurance companies had previously declined proposals on Mansel’s life was considered material.
Why the Judgment is Important
The judgment is important for insurance law because it establishes several useful principles:
- Insurance contracts require utmost good faith
Both parties must act honestly, but the applicant has a particularly important duty to disclose material facts known to him.
- Material facts must be disclosed
The applicant must disclose information which could influence the insurer’s assessment of the risk.
- Previous insurance refusals can be material
The rejection of previous insurance proposals can itself be a material fact.
- Non-disclosure can exist without an outright lie
An applicant may breach the duty of disclosure even without making a directly false statement.
- The insurer can avoid the contract
Where material non-disclosure is established, the insurer may avoid the insurance contract.
Conclusion
To conclude, London Assurance v. Mansel (1879) is an important case in insurance law dealing with the principle of utmost good faith (uberrimae fidei) and the duty to disclose material facts. The case clearly shows that a person applying for insurance must provide complete and honest information about matters which may influence the insurer’s decision.
In this case, Mansel failed to disclose that several other insurance companies had previously declined proposals to insure his life. Although he had disclosed that he was already insured with two companies at ordinary rates, the court found that his failure to mention the previous refusals was significant because the information could have influenced the London Assurance Company’s assessment of the risk.
The court therefore held that the previous refusals were material facts and that Mansel’s failure to disclose them amounted to material non-disclosure. As a result, the London Assurance Company was entitled to avoid the insurance contract.

