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Family loans and the law: why informal agreements can lead to disputes

04 June 2026

When money changes hands between family members, it is often done informally and with the best of intentions. Parents may help children onto the property ladder and relatives may provide financial support during difficult periods, however arrangements for repaying family loans are frequently left undocumented.

A recent court decision serves as an important reminder that family loans can still be legally enforceable, even where there is no formal written agreement. The case highlights the risks of relying on trust and verbal understandings alone and underlines the importance of clearly recording whether financial assistance is intended to be a loan, a gift or something in between.

In Barry v Barry [2024], the court considered whether substantial sums advanced by parents to their son were repayable loans or part of an informal family arrangement, offering useful guidance for anyone considering lending money to a family member.

Background

This claim was brought by parents against their son for approximately £600,000, which they alleged had been loaned to him to assist with purchasing property.

The son argued that the money was sent to him as part of an informal family arrangement, not intended to be legally binding. He also claimed that some of the loans had been forgiven.

The Court’s approach

The key legal issue examined by the Court was whether the parties intended for the loan to be legally binding. There is a presumption against legal enforceability in family settings known as the presumption of advancement. However, this presumption can be rebutted by evidence indicating a legal intention.

The Court accepted that intention is context specific and examined the following factors in making its assessment:

  • Size of the alleged loan;
  • Whether the advances were treated contemporaneously as loans;
  • Credibility of witnesses;
  • Documentary evidence;
  • Expectation of repayment.

Judgment

The Court found in the favour of the parents, judging that the loans were enforceable and the presumption had been rebutted. The Court highlighted that despite there being no formal written agreement, the parties intended to create legal relations, mindful of the value of the loan and the context in which the sums were given.

As there was no specific term regarding repayment, the sums were deemed repayable on demand. The Court further found that there was no evidence that any of the family loans had been forgiven.

Accordingly, the Court ordered the son to pay the sum of £643,000 plus interest.

What does this mean?

This case emphasises that intra-family transactions are not exempt from enforceability. Where there is strong documentary evidence or a clear intention to create legal relations, the presumption of advancement can be rebutted.

This shows the dangers of entering into transactions with family members based on trust, without written agreements.

It also emphasises that if you wish for family loans to be legally binding, you must ensure that you demonstrate a clear intention of creating legal relations. This should include producing a written agreement, establishing clear repayment terms, and keeping records of discussions.

If you have any questions about family loans or disputes of this nature, please contact our team of litigation specialists.

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Disclaimer: All legal information is correct at the time of publication but please be aware that laws may change over time. This article contains general legal information but should not be relied upon as legal advice. Please seek professional legal advice about your specific situation - contact us; we’d be delighted to help.
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Tom Gordon LLB
Trainee solicitor
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