{"id":3519,"date":"2026-07-06T17:06:52","date_gmt":"2026-07-06T07:06:52","guid":{"rendered":"https:\/\/chipkie.com\/uk\/?p=3519"},"modified":"2026-07-06T17:06:56","modified_gmt":"2026-07-06T07:06:56","slug":"bank-of-mum-and-dad-contract-2","status":"publish","type":"post","link":"https:\/\/chipkie.com\/uk\/2026\/07\/06\/bank-of-mum-and-dad-contract-2\/","title":{"rendered":"Bank of Mum and Dad Contract: 2026 Guide"},"content":{"rendered":"<p><em>By <strong>The Chipkie Team<\/strong>, Personal Finance Editorial Team &nbsp;\u00b7&nbsp; Last updated 5 July 2026<\/em><\/p>\n<p>Every year, hundreds of thousands of UK property purchases depend on financial help from parents. According to a 2023 report by Legal &#038; General, the so-called &#8220;Bank of Mum and Dad&#8221; contributed an estimated \u00a38.1 billion to housing purchases, making it effectively the equivalent of a top-ten UK mortgage lender. Yet the vast majority of these family transfers happen without any formal paperwork \u2014 a situation that creates real financial, legal, and tax risks for everyone involved.<\/p>\n<p>If your parents are helping you buy a home \u2014 or you&#8217;re the parent doing the helping \u2014 a proper bank of mum and dad contract is not optional. It&#8217;s essential. This guide explains exactly why, what it should contain, and how to get it right in 2025.<\/p>\n<h2>Key Takeaways<\/h2>\n<ul>\n<li>A written contract between parents and children for property deposits or mortgage help protects both parties from legal disputes, tax liabilities, and mortgage complications.<\/li>\n<li>Without documentation, mortgage lenders may treat parental money as a gift \u2014 which can trigger Inheritance Tax consequences and leave parents with no legal right to repayment.<\/li>\n<li>HMRC can charge interest on undocumented family loans that fall below market rates, treating the forgone interest as a potentially exempt transfer for Inheritance Tax purposes.<\/li>\n<li>A family loan agreement executed as a deed carries a 12-year limitation period for enforcement, compared to just 6 years for a simple contract.<\/li>\n<li>Mortgage lenders require a signed declaration about the source and nature of deposit funds \u2014 getting this wrong can constitute mortgage fraud.<\/li>\n<\/ul>\n<h2>Why does undocumented family mortgage help cause so many problems?<\/h2>\n<p>When parents hand over money for a property deposit without a written agreement, neither side has legal certainty about whether the money is a gift or a loan, what repayment terms apply, or what happens if the child&#8217;s relationship breaks down. Courts, HMRC, and mortgage lenders will each interpret the situation differently \u2014 and rarely in anyone&#8217;s favour.<\/p>\n<p>The risks of a parental loan without agreement are more concrete than most families realise:<\/p>\n<ul>\n<li><strong>Mortgage application issues:<\/strong> Lenders ask borrowers to declare whether deposit funds are a gift or a loan. If it&#8217;s a loan, the lender factors the repayments into affordability calculations, potentially reducing the mortgage amount offered. If the family calls it a &#8220;gift&#8221; but privately expects repayment, that&#8217;s a misrepresentation \u2014 and potentially <a href=\"https:\/\/www.fca.org.uk\" target=\"_blank\" rel=\"noopener\">mortgage fraud under FCA rules<\/a>.<\/li>\n<li><strong>Divorce and separation:<\/strong> If the child&#8217;s marriage breaks down, the family court will scrutinise whether parental money was a gift or a loan. Without documentation, judges typically treat it as a gift, meaning the ex-spouse walks away with half the benefit.<\/li>\n<li><strong>Inheritance Tax (IHT):<\/strong> If a parent dies within seven years of making a gift exceeding \u00a33,000 (the annual exemption), the amount falls into their estate for IHT purposes. A properly documented loan avoids this entirely because it&#8217;s not a gift \u2014 it&#8217;s a debt owed back to the estate.<\/li>\n<li><strong>Family conflict:<\/strong> Memories differ. Parents may recall agreeing a five-year repayment schedule; the child may remember &#8220;pay us back whenever you can.&#8221; Without written terms, these disputes can fracture families permanently.<\/li>\n<\/ul>\n<p>Our experience working with borrowers and lenders shows that the families who suffer most are invariably those who assumed &#8220;we trust each other, we don&#8217;t need paperwork.&#8221; Trust and documentation are not opposites \u2014 they&#8217;re partners.<\/p>\n<h2>What should a bank of mum and dad contract actually include?<\/h2>\n<p>A proper contract for family deposit help should cover the same ground a commercial lender would, adapted for the family context. At minimum, it needs to be clear, signed, dated, and ideally witnessed \u2014 or better still, executed as a deed for the stronger 12-year enforcement window.<\/p>\n<p>Here are the essential clauses:<\/p>\n<ol>\n<li><strong>Parties and date:<\/strong> Full legal names of the lender (parent\/s) and borrower (child), with current addresses.<\/li>\n<li><strong>Loan amount:<\/strong> The exact sum being advanced, and confirmation of how and when it will be transferred.<\/li>\n<li><strong>Gift or loan declaration:<\/strong> An unambiguous statement that the money is a loan (not a gift), or if it genuinely is a gift, a clear gifted deposit declaration. This is the single most important line in the entire document.<\/li>\n<li><strong>Interest rate:<\/strong> Whether interest is charged, at what rate, and how it accrues. Note that HMRC may treat a zero-interest or below-market-rate loan as a potentially exempt transfer if the forgone interest exceeds the annual IHT exemption. According to <a href=\"https:\/\/www.gov.uk\/topic\/personal-tax\" target=\"_blank\" rel=\"noopener\">HMRC guidance<\/a>, the official rate of interest for 2024\u201325 was 2.25%.<\/li>\n<li><strong>Repayment schedule:<\/strong> Monthly amounts, lump-sum triggers (such as on sale of the property), or a combination. Include what happens if the borrower misses payments.<\/li>\n<li><strong>Security:<\/strong> Whether the loan is secured against the property (by way of a second charge registered at the <a href=\"https:\/\/www.gov.uk\/land-registry\" target=\"_blank\" rel=\"noopener\">Land Registry<\/a>), or unsecured. Most mortgage lenders will not permit a second charge, so this needs careful handling.<\/li>\n<li><strong>Early repayment:<\/strong> Can the child repay early without penalty? Most family agreements allow this.<\/li>\n<li><strong>Sale or transfer of property:<\/strong> What happens to the loan if the property is sold? Typically, the loan becomes immediately repayable from sale proceeds.<\/li>\n<li><strong>Relationship breakdown clause:<\/strong> If the child separates from a partner, how is the parental loan treated? This clause is vital for protecting family money in divorce proceedings.<\/li>\n<li><strong>Death of either party:<\/strong> If the parent dies, does the loan form part of their estate (reducing IHT liability)? If the child dies, is the loan repayable from their estate?<\/li>\n<li><strong>Governing law:<\/strong> Confirm the agreement is governed by the law of England and Wales (or Scotland\/Northern Ireland as appropriate).<\/li>\n<\/ol>\n<p>For a deeper look at structuring these agreements without creating family tension, see our guide on <a href=\"https:\/\/chipkie.com\/uk\/2024\/05\/11\/how-to-set-up-a-bank-of-mum-and-dad-loan-agreement-without-the-family-drama\">setting up a family loan agreement without the drama<\/a>.<\/p>\n<h2>How do mortgage lenders treat family deposit loans in 2025?<\/h2>\n<p>Mortgage lenders have become significantly more rigorous about scrutinising deposit sources since the Money Laundering Regulations 2017 tightened anti-money-laundering requirements. Every lender will ask your solicitor to verify the origin of deposit funds, and your child will need to declare whether any portion is a loan or a gift.<\/p>\n<p>Here&#8217;s what you need to know about lender requirements:<\/p>\n<ul>\n<li><strong>Gifted deposit letters:<\/strong> If the money is a genuine gift, most lenders require a signed letter from the parent confirming no repayment is expected and that the parent has no interest in the property. This is standard \u2014 but if you actually do expect repayment, signing this letter is fraudulent.<\/li>\n<li><strong>Loan declarations:<\/strong> If the money is a loan, the lender will include the repayment obligation in their affordability assessment. This may reduce the mortgage your child qualifies for by tens of thousands of pounds.<\/li>\n<li><strong>Concessionary loans:<\/strong> Some lenders accept &#8220;concessionary&#8221; family loans at zero or low interest, treating them more favourably than commercial debt. But policies vary enormously between lenders.<\/li>\n<li><strong>Source of funds evidence:<\/strong> Parents will typically need to provide bank statements showing where the money came from \u2014 savings accounts, investment sales, pension withdrawals, etc.<\/li>\n<\/ul>\n<p>The family deposit loan risks are real: according to <a href=\"https:\/\/www.moneyhelper.org.uk\" target=\"_blank\" rel=\"noopener\">MoneyHelper<\/a>, getting the gift-versus-loan distinction wrong is one of the most common reasons for mortgage application delays and rejections. Be honest with your lender from the outset.<\/p>\n<h2>What are the tax implications parents need to understand?<\/h2>\n<p>Tax is where undocumented family mortgage help most frequently backfires. The rules are more nuanced than most families realise, and HMRC does not make exceptions for good intentions.<\/p>\n<ul>\n<li><strong>Inheritance Tax:<\/strong> Gifts over \u00a33,000 per tax year (the annual exemption) are potentially exempt transfers. If the parent survives seven years, the gift falls out of the estate entirely. But if the parent dies within seven years, taper relief may apply \u2014 and without documentation, the executors may struggle to prove whether the transfer was a gift or loan at all.<\/li>\n<li><strong>A loan is not a gift:<\/strong> A properly documented loan with genuine repayment terms is not a gift for IHT purposes. The outstanding balance remains an asset of the parent&#8217;s estate, but crucially it&#8217;s not a potentially exempt transfer \u2014 meaning no seven-year clock, no taper relief complications.<\/li>\n<li><strong>Income Tax on interest:<\/strong> If parents charge interest, that income is taxable. Parents must declare it on their Self Assessment return.<\/li>\n<li><strong>Capital Gains Tax:<\/strong> If the child later sells the property and it was not their only or main residence throughout ownership, CGT may apply on the gain. This is especially relevant for <a href=\"https:\/\/chipkie.com\/uk\/2025\/11\/30\/rentvesting-with-the-bank-of-mum-and-dad-the-tax-strategy-uk-families-need-to-know-in-2025\">rentvesting strategies involving parental help<\/a>.<\/li>\n<li><strong>SDLT surcharge:<\/strong> If either the parent or the child already owns another property (anywhere in the world) and the parent is named on the title, the 3% Stamp Duty Land Tax surcharge applies to the entire purchase price. A bank of mum and dad contract structured as a loan \u2014 rather than putting the parent on the title \u2014 avoids this trap entirely.<\/li>\n<\/ul>\n<h2>Can a verbal family loan agreement hold up in court?<\/h2>\n<p>Technically, a verbal loan agreement is enforceable under English law, but proving its terms is extremely difficult. Without written evidence, it becomes one person&#8217;s word against another \u2014 and if a third party (such as an ex-spouse) disputes the loan&#8217;s existence, the burden of proof falls on whoever claims the money was a loan, not a gift.<\/p>\n<p>Under <a href=\"https:\/\/chipkie.com\/uk\/2026\/06\/15\/proving-verbal-family-loan-in-court-legal-requirements-united-kingdom\">current UK legal requirements for proving a verbal family loan<\/a>, you would need contemporaneous evidence such as text messages, bank transfer references, or witness testimony. Even then, a judge may find the evidence insufficient \u2014 especially in family court, where the presumption of advancement (that transfers from parent to child are gifts) still carries weight.<\/p>\n<p>The practical advice is straightforward: always put it in writing. A written agreement executed as a deed gives you 12 years to enforce the terms, compared to just 6 years for a simple contract. Given the sums typically involved in property purchases, there is no rational reason to leave this to memory and goodwill.<\/p>\n<h3>Does the agreement need to be drafted by a solicitor?<\/h3>\n<p>Not necessarily. While a solicitor-drafted agreement provides the highest level of legal robustness, a well-structured template covering all essential terms \u2014 signed, dated, and witnessed \u2014 is legally valid. What matters is clarity, completeness, and genuine intention from both parties. For complex arrangements involving security or multiple properties, professional legal advice is strongly recommended.<\/p>\n<h3>What happens if parents want to convert a loan to a gift later?<\/h3>\n<p>Parents can forgive a loan at any time, effectively converting it to a gift. However, the forgiven amount is then treated as a potentially exempt transfer for Inheritance Tax purposes from the date of forgiveness \u2014 not the date of the original loan. The seven-year IHT clock starts from the moment the debt is written off, so timing matters significantly for estate planning.<\/p>\n<h3>Should the contract be registered with the Land Registry?<\/h3>\n<p>If the loan is secured against the property via a second charge, it must be registered at the Land Registry. However, most family loans are unsecured because the primary mortgage lender typically prohibits second charges. An unsecured loan agreement is still legally enforceable \u2014 it simply means the parent ranks behind the mortgage lender and other secured creditors in the event of the child&#8217;s insolvency.<\/p>\n<h3>How does a family loan affect the child&#8217;s future borrowing capacity?<\/h3>\n<p>Lenders assessing future mortgage or credit applications will factor in the repayment obligations of an existing family loan. If the child wants to remortgage or buy a second property, the outstanding family debt reduces their borrowing capacity. Some families structure agreements with flexible or deferred repayment terms specifically to manage this impact \u2014 but the loan must still be disclosed to lenders.<\/p>\n<p>Whether you&#8217;re a parent wanting to help your child onto the property ladder, or a first-time buyer grateful for family support, the message is the same: get the agreement in writing, make it comprehensive, and revisit it as circumstances change. Chipkie makes it simple to create, sign, and manage a proper family loan agreement \u2014 protecting your money and your relationships. Start your agreement today and give your family the clarity it deserves.<\/p>\n<p><em><strong>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":"<p>Protect your family&#8217;s finances with a bank of mum and dad contract. Explore tax, legal and repayment terms you need to cover in 2025. Read more.<\/p>\n","protected":false},"author":3,"featured_media":3518,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_chipkie_hreflang":"","_yoast_wpseo_focuskw":"","_yoast_wpseo_metadesc":"","_yoast_wpseo_title":"","_chipkie_jsonld":"","footnotes":""},"categories":[6,46],"tags":[],"class_list":["post-3519","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","category-kids-money"],"_links":{"self":[{"href":"https:\/\/chipkie.com\/uk\/wp-json\/wp\/v2\/posts\/3519","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\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/chipkie.com\/uk\/wp-json\/wp\/v2\/comments?post=3519"}],"version-history":[{"count":1,"href":"https:\/\/chipkie.com\/uk\/wp-json\/wp\/v2\/posts\/3519\/revisions"}],"predecessor-version":[{"id":3527,"href":"https:\/\/chipkie.com\/uk\/wp-json\/wp\/v2\/posts\/3519\/revisions\/3527"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/chipkie.com\/uk\/wp-json\/wp\/v2\/media\/3518"}],"wp:attachment":[{"href":"https:\/\/chipkie.com\/uk\/wp-json\/wp\/v2\/media?parent=3519"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/chipkie.com\/uk\/wp-json\/wp\/v2\/categories?post=3519"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/chipkie.com\/uk\/wp-json\/wp\/v2\/tags?post=3519"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}