Lending money to someone you love is one of the most emotionally loaded financial decisions you will ever make \u2014 and one of the least well-managed. According to recent research, around \u00a36.3 billion is owed in informal loans between friends and family across the UK at any given time. Much of it is undocumented. A significant chunk will never be repaid. And a depressing proportion of it will damage or destroy relationships that mattered far more than the money ever did.<\/p>\n
If you have lent or borrowed money informally, or you are thinking about it, you need a proper system. Not because you do not trust the other person, but precisely because you do \u2014 and you want to keep it that way.<\/p>\n
Most informal loans begin with good intentions and a handshake. The amount, the repayment terms, and what happens if circumstances change are left deliberately vague because raising those questions feels awkward. But vagueness is not kindness. It is a ticking time bomb.<\/p>\n
Without clear terms, the lender starts to silently resent the borrower’s spending habits. The borrower, meanwhile, convinces themselves repayment was never really expected. Neither party wants to raise it because now the conversation feels even more awkward than it would have at the start. This dynamic is so common that debt charities like StepChange regularly deal with the fallout \u2014 family estrangements, mental health crises, and legal disputes that cost multiples of the original sum.<\/p>\n
Here is the uncomfortable truth: if you would not lend the money to a stranger on the same terms, you should not lend it to family on those terms either.<\/strong> Familiarity is not a substitute for structure.<\/p>\n A written loan agreement does not signal distrust. It signals respect \u2014 for the money, for the relationship, and for both parties’ peace of mind. At minimum, any agreement between friends or family should cover:<\/p>\n Execute it as a deed, not a simple contract.<\/strong> A deed carries a twelve-year limitation period for enforcement, compared with six years for a standard contract. Given that family loans often stretch over long time horizons, this difference can be the difference between having legal recourse and having none.<\/p>\n The single most common large informal loan in the UK is help with a house deposit. The so-called “Bank of Mum and Dad” is effectively one of the country’s largest mortgage lenders by volume. But the legal and tax consequences of getting this wrong are severe.<\/p>\n Mortgage lenders will ask where the deposit came from.<\/strong> If it is a loan rather than a gift, many lenders will either refuse the mortgage or factor the repayment obligations into their affordability calculations, potentially reducing the amount you can borrow. Some families therefore declare the money as a gift when it is actually a loan. This is mortgage fraud. It is a criminal offence, and lenders are increasingly sophisticated at detecting it.<\/p>\n If the money genuinely is a gift, the lender will typically require the donor to sign a gifted deposit letter confirming they have no expectation of repayment and no interest in the property. But if the donor dies within seven years, the gift may be subject to inheritance tax under the potentially exempt transfer rules. Larger gifts could trigger an IHT liability the recipient was not expecting.<\/p>\n If, conversely, the parents want the money back and want security, a formal legal charge over the property or a properly drafted Declaration of Trust is essential. Without one, proving the nature and terms of the arrangement years later becomes extraordinarily difficult \u2014 and expensive.<\/p>\n Sometimes the “loan” morphs into a co-purchase, with a parent or sibling going on the title deed. This introduces a cascade of complications that catch people out every single time:<\/p>\n If co-ownership is unavoidable, hold the property as tenants in common<\/strong> rather than joint tenants. This allows unequal shares, avoids automatic survivorship (which could disinherit the wrong people), and gives each party independent control over what happens to their share on death. Pair this with a comprehensive Deed of Trust covering beneficial interest percentages, exit mechanisms, rights of first refusal, shared expenses, occupancy rules, and renovation consent thresholds.<\/p>\n Documentation is essential, but a system is more than paperwork. It is a set of habits and tools that keep the arrangement transparent and on track throughout its life. Here is what a robust system looks like in practice:<\/p>\n Helping the people you care about is admirable. Doing it without structure is reckless. The awkwardness of setting up a proper agreement lasts an afternoon. The fallout from not having one can last a lifetime. Treat every informal loan with the same rigour you would expect from a bank \u2014 clear terms, written records, and regular communication. Your relationships, and your finances, will be stronger for it.<\/p>\n Disclaimer:<\/strong> The information provided in this article is for informational purposes only and should not be considered financial or legal advice. Property and lending laws in the United Kingdom vary and may change over time. We always recommend consulting with a qualified solicitor and mortgage broker before entering into a property purchase or financial arrangement with another party.<\/em><\/p>\n","protected":false},"excerpt":{"rendered":" Discover why informal loans between friends and family need a proper system \u2014 with \u00a36.3 billion owed across the UK, learn how to protect your money and your relationships.<\/p>\n","protected":false},"author":2,"featured_media":2192,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[31],"tags":[90,67,24,14],"class_list":["post-1813","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-chipkie","tag-chipkie","tag-featured","tag-lending","tag-loans"],"_links":{"self":[{"href":"https:\/\/chipkie.com\/uk\/wp-json\/wp\/v2\/posts\/1813","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/chipkie.com\/uk\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/chipkie.com\/uk\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/chipkie.com\/uk\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/chipkie.com\/uk\/wp-json\/wp\/v2\/comments?post=1813"}],"version-history":[{"count":4,"href":"https:\/\/chipkie.com\/uk\/wp-json\/wp\/v2\/posts\/1813\/revisions"}],"predecessor-version":[{"id":3356,"href":"https:\/\/chipkie.com\/uk\/wp-json\/wp\/v2\/posts\/1813\/revisions\/3356"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/chipkie.com\/uk\/wp-json\/wp\/v2\/media\/2192"}],"wp:attachment":[{"href":"https:\/\/chipkie.com\/uk\/wp-json\/wp\/v2\/media?parent=1813"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/chipkie.com\/uk\/wp-json\/wp\/v2\/categories?post=1813"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/chipkie.com\/uk\/wp-json\/wp\/v2\/tags?post=1813"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}Why a Written Agreement Is Non-Negotiable<\/h3>\n
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Property Deposits: The Minefield Most People Walk Into Blind<\/h3>\n
Co-Ownership Traps When Family Members Buy Together<\/h3>\n
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Building a Practical System That Actually Works<\/h3>\n
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The Bottom Line<\/h3>\n