Guarantor Loan Default UK: What Happens (2026)

Guarantor Loan Default UK: What Happens and What You Can Do (2026)

Your phone rings. It’s a number you don’t recognise. The borrower — your son, your friend, your sister — hasn’t been paying. You didn’t know. Nobody told you. And now the lender is calling you for the full balance, not the missed payments. The whole thing.

This is how most guarantor loan defaults play out. The lender isn’t obliged to warn you before the debt lands on you. Under UK law, you signed a legally binding guarantee — and the lender can pursue you for every penny the borrower owes, before they’ve even tried to recover it from the person who actually borrowed the money.

Here’s what’s happening legally, what your rights actually are, and the routes out that most guarantors never hear about.

What you actually signed when you became a guarantor

A guarantor loan is an unsecured personal loan — usually between £500 and £15,000 — where a second person (the guarantor) formally agrees to repay the loan if the borrower can’t. The key legal term is joint and several liability. It means you are each fully responsible for the entire debt. Not half each. All of it.

The lender does not need to pursue the borrower first. Under the Consumer Credit Act 1974, they can come directly to you the moment the borrower misses a payment. In practice, most lenders do try the borrower first — but they are not legally required to. And once they turn to you, the amount they’re asking for isn’t just the missed instalments. It can be the entire remaining balance, depending on whether the account has been accelerated.

Guarantor loan interest rates in 2026 typically run between 30% and 79.9% APR. A £5,000 loan at 49.9% APR over 36 months costs approximately £8,783 in total. If you’re stepping in partway through, the amount left to pay can be significantly more than the original loan.

What happens to your credit when the borrower defaults

The moment the borrower misses a payment, that missed payment appears on your credit file. Not when the lender contacts you. Not when you find out. The second the payment doesn’t arrive, it’s on both your records simultaneously.

Under FCA guidance (Finalised Guidance FG17/1), the lender must serve a copy of any default notice on the guarantor as well as the borrower. This is the formal notification that the account has defaulted. But the credit damage often starts before the formal default notice — individual missed payments register on your credit file in real time.

If the debt escalates to a County Court Judgement (CCJ) against you, that sits on the public register for six years and makes it significantly harder to get credit, rent a property, or in some cases get certain jobs.

Your rights as a guarantor — the ones lenders don’t mention

The affordability complaint route

This is the most powerful and most underused option available to guarantors in the UK. When you signed the guarantee, the lender was required under FCA rules (CONC 5.2A) to assess whether you could afford to repay the loan without financial difficulty. If they didn’t do this properly — or if you couldn’t genuinely afford it — you may have grounds for an unaffordable lending complaint.

The Financial Ombudsman Service has historically upheld around 90% of guarantor loan complaints — the highest uphold rate across all financial products. That figure reflects how systematically guarantor lenders failed to carry out proper affordability checks.

If your complaint is upheld, the outcome can include removal as guarantor, refund of payments already made, and correction of your credit file. You can complain directly to the lender first, then escalate to the Financial Ombudsman if they reject your complaint or don’t respond within eight weeks. The Financial Ombudsman can award up to £445,000 in compensation for upheld complaints. There is no fee for consumers to use this service.

The 14-day cooling off period

If you signed recently, check the date. Both borrower and guarantor have 14 days from signing to withdraw from a Consumer Credit Agreement without penalty. If you’re still within this window — or believe you were not given your full 14 days — contact the lender immediately in writing.

The right to be removed if the lender removes you

If a successful affordability complaint results in you being removed as guarantor, the loan continues in the borrower’s name alone as a standard unsecured loan. Any payments you already made as guarantor should be refunded. The credit record marks from missed payments can also be corrected as part of the resolution.

The right to pursue the borrower

If you end up paying the debt because the borrower defaulted, you have a legal right to pursue the borrower for reimbursement — a principle called subrogation. Once you pay under the guarantee, you effectively step into the lender’s position as creditor. Whether this is practical depends entirely on the borrower’s financial situation and your relationship with them.

The lender that collapsed: Amigo Loans and what it means for claims

Amigo Loans — the UK’s largest guarantor lender — collapsed in 2022 following mass complaints about irresponsible lending. Its court-approved compensation scheme paid customers just 18.51 pence in the pound. If you had a complaint against Amigo, the compensation window is now largely closed.

Other guarantor lenders including George Banco and TFS Loans remain subject to active complaint procedures. If you guaranteed a loan from any lender other than Amigo, your complaint route is still fully open. Act promptly — the sooner you complain while a lender is solvent, the better your outcome.

What to do right now if a guarantor loan has defaulted

1. Don’t panic and don’t ignore it. Ignoring correspondence allows the debt to escalate toward CCJ without your input. Every stage of escalation reduces your options.
2. Get the full picture in writing. Write to the lender requesting a copy of the original credit agreement and a full statement of account showing every payment made and every charge applied. You have the right to this information.
3. Check whether you have an affordability complaint. Ask yourself: could you realistically have afforded the full monthly repayment on top of your own commitments when you signed? Did the lender ask for proof of your income and outgoings? If the answer is no, you likely have grounds to complain.
4. Contact the lender’s complaints department in writing. Use the word “formal complaint” and set out clearly why you believe the affordability assessment was inadequate. Keep copies of everything.
5. If the lender rejects your complaint or doesn’t respond in 8 weeks, escalate to the Financial Ombudsman Service at financial-ombudsman.org.uk. Free for consumers. No time limit while the complaint is active.
6. Get free debt advice. StepChange can advise on the full picture — including whether any of the wider debt solutions (IVA, DRO, bankruptcy) might apply to your situation if the guarantor debt is part of a larger financial problem.

If you’re looking at old guarantor loan debt that hasn’t been chased in years, it may be statute barred — meaning the creditor can no longer successfully sue you to recover it. Check whether your debt is statute barred using our free tool.

For the full picture of UK debt solutions available to you, including DROs, IVAs and Breathing Space, see our UK Debt Help hub. If you think a Debt Relief Order could apply, use our free DRO checker to see if you’d qualify.

Questions guarantors actually ask at 2am

Can the lender come to me before trying to get money from the borrower?

Yes. UK law does not require the lender to exhaust recovery options against the borrower before pursuing the guarantor. They can come to you directly after a single missed payment. In practice many lenders try the borrower first, but this is their choice — not a legal requirement.

I didn’t know the borrower had stopped paying. Does that change anything?

Legally, no — your liability as guarantor doesn’t depend on whether you were informed in real time. However, if the lender failed to notify you promptly (they should send you a copy of any default notice), that may be relevant to a complaint about how the account was managed. Include it in any complaint you make.

Can I get removed as guarantor?

Through a successful affordability complaint — yes. If the Financial Ombudsman upholds your complaint, removal as guarantor is one of the possible outcomes. Outside of a complaint, the only ways to be removed are if the lender agrees (unlikely without a formal process) or the loan is fully repaid.

What if I simply can’t afford to pay?

Contact StepChange immediately. They can help you set up an affordable payment arrangement with the lender, and they understand the specific complications of guarantor debt. If your overall financial situation is unmanageable, they can also advise on formal debt solutions. Don’t leave this unaddressed — the lender can apply for a CCJ and then enforcement action if the debt remains unpaid and unacknowledged.

If I make payments as guarantor, can I get that money back from the borrower?

Yes — in theory. UK law gives you the right to pursue the borrower for amounts you paid on their behalf. In practice this means taking legal action against them, which may not be realistic if they have no money. If the borrower has since filed for bankruptcy, your claim against them may be caught up in that process.

Does the guarantor debt affect my ability to get a mortgage?

Yes, in two ways. Any missed payments on the guarantor loan appear on your credit file and will show up in a mortgage affordability assessment. The contingent liability of being a guarantor may also affect what a mortgage lender thinks you can afford — even if payments are currently being made by the borrower. Some lenders will factor the full loan payment into your outgoings even if you haven’t needed to make it yet.

Is guarantor debt statute barred after six years?

Potentially yes. If neither you nor the borrower has made a payment or acknowledged the debt in writing for six years, the debt may be statute barred in England and Wales — meaning the lender can no longer successfully sue to recover it. The debt doesn’t disappear but the legal enforcement route closes. Check the timeline using our free Statute Barred Checker.