Lending money to a friend or family member is one of the most common — and most quietly destructive — financial acts in British life. A 2024 survey by Finder found that roughly 45% of UK adults have lent money to someone they know, and nearly a third of those loans were never fully repaid. The emotional cost is harder to quantify but no less real: resentment, fractured relationships, and the slow erosion of trust that comes from chasing someone you love for money they promised to return.
In 2025, a new generation of digital lending platforms is attempting to solve this problem by introducing structure, transparency, and enforceability into what has historically been a handshake affair. If you’re considering lending to — or borrowing from — someone close to you, understanding these tools and the legal landscape around them could save you thousands of pounds and a relationship.
Why Informal Lending Goes Wrong
The core issue is brutally simple: most people treat a personal loan like a favour rather than a financial transaction. There are no written terms, no repayment schedule, no agreed consequences for default, and no record of what was actually agreed. When memories diverge — and they always do — both parties feel wronged.
The legal position makes things worse. Without a written agreement, a lender trying to recover money through the county court faces an uphill battle proving the transfer was a loan rather than a gift. Bank statements show the money moved, but they say nothing about the terms. Text messages help, but they’re often ambiguous. The practical result is that informal lenders frequently write off the debt rather than face the cost and awkwardness of litigation.
What Digital Lending Platforms Actually Do
Platforms designed for peer-to-peer personal lending — distinct from commercial P2P investment platforms regulated by the FCA — typically offer a structured process for formalising loans between people who already know each other. The core features include:
- Templated loan agreements that capture the amount, interest rate (if any), repayment schedule, and what happens on default.
- Automated payment tracking so both parties can see in real time what has been paid and what remains outstanding.
- Scheduled reminders sent by the platform rather than the lender, removing the single most uncomfortable element of personal lending.
- A digital audit trail that serves as evidence if the arrangement ever reaches a dispute.
The value proposition is genuine: by externalising the administrative and emotional burden of managing a loan, these platforms reduce the friction that destroys relationships. But they are not a substitute for proper legal and tax planning, and treating them as such is a mistake.
The Legal Realities a Platform Cannot Fix
Written agreements need teeth. A loan agreement generated by an app is better than nothing, but its enforceability depends on whether it meets basic contractual requirements under English law: offer, acceptance, consideration, and intention to create legal relations. Most platform-generated agreements satisfy these criteria, but few are executed as deeds. This matters because a simple contract has a six-year limitation period under the Limitation Act 1980, whereas obligations executed as a deed carry a twelve-year window. If you’re lending a significant sum — say, towards a property deposit — insist on a deed.
Interest and regulation. If you charge interest on a personal loan, you need to be careful. Consumer credit regulation under the Financial Services and Markets Act 2000 generally exempts one-off loans between individuals, but habitual lending for profit can bring you within the FCA’s regulatory perimeter. Charging no interest is simpler, but then HMRC may treat the arrangement as a potentially exempt transfer for Inheritance Tax purposes if the lender dies within seven years.
Tax implications are routinely ignored. An interest-free loan above the nil-rate band threshold could create an IHT liability on the lender’s estate. Conversely, if you lend money that is used as a property deposit and later forgive the debt, HMRC may treat the forgiveness as a gift with its own tax consequences. None of the current digital platforms provide tax guidance — nor should they — but users frequently assume that because the process feels official, the tax position has been handled. It has not.
When Lending Intersects With Property
A disproportionate number of family loans in the UK involve housing — parents helping children with deposits, siblings pooling resources, or friends co-purchasing investment property. This is where the stakes escalate dramatically.
If you lend money towards a property purchase, your mortgage lender will almost certainly require a gifted deposit letter confirming the money is a gift, not a loan. Declaring it as a loan when the lender’s terms require a gift is mortgage fraud. Declaring it as a gift when it is genuinely a loan creates a different problem: you have no enforceable claim to repayment, and HMRC may treat it as a potentially exempt transfer.
For those co-purchasing property together, the risks multiply. Joint and several liability means the mortgage lender can pursue either borrower for the entire debt — not just their proportionate share. A digital lending platform can track who paid what towards the deposit, but it cannot protect you from a lender demanding full repayment from you alone if your co-buyer defaults.
A Declaration of Trust is essential in these situations. It records each party’s beneficial interest, documents unequal contributions, and specifies what happens on sale or disagreement. Without one, the law defaults to equal shares regardless of who actually paid what. And under TOLATA 1996, either co-owner can apply to court to force a sale — a litigation risk that no app can prevent.
Making It Work: Practical Steps
Digital platforms are a genuinely useful tool, but they work best as part of a broader approach:
- Use the platform to document everything from day one. Amount, schedule, interest (or lack thereof), and default terms — all in writing before money changes hands.
- For loans above £5,000, get a solicitor involved. The cost of a properly drafted loan agreement executed as a deed is typically £300–£500. That is cheap insurance for a five-figure sum.
- Address tax explicitly. Speak to an accountant about IHT exposure on interest-free loans and CGT implications if the money relates to property.
- Separate the loan from the relationship. The platform handles reminders and tracking; you handle Sunday lunch. Keep the two firmly apart.
- Agree an exit mechanism before you start. What happens if the borrower loses their job? What if the lender suddenly needs the money back? A good agreement addresses these scenarios honestly, not optimistically.
Digital lending platforms represent a genuine step forward for British borrowers and lenders navigating the minefield of personal finance between people who care about each other. They bring structure where there was none and create accountability without confrontation. But they are a tool, not a solution. The hard conversations — about what happens when things go wrong, about tax, about legal enforceability — still need to happen, preferably with professional advice and definitely before the money moves. Generosity is admirable. Naïveté is not.
Disclaimer: 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.
