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How guarantor loans work — and what happens if you fall behind

The guarantor isn't just a reference. They are legally liable for the balance if you can't pay.

Guarantor Loans3 min readReviewed July 2026

A guarantor loan is unsecured lending backed by a third party. If you miss payments, the lender will approach the guarantor for the arrears. If the guarantor also can't pay, both parties can end up with defaults and County Court Judgments.

There is a large historic mis-selling issue in this market. Where the lender failed to properly assess affordability — either yours or your guarantor's — complaints can lead to refunds of interest and, in some cases, the loan being written off.

If you're struggling with a guarantor loan, tell your guarantor immediately. Free debt help can look at whether affordability was properly assessed and whether a complaint is worth pursuing before any collection escalates.

General information, not personalised adviceThis article is written to inform. It isn't personalised debt or legal advice, and Debt Compass is not authorised by the Financial Conduct Authority. A team member can talk you through the options and point you to a free debt help service or authorised insolvency practitioner before you decide on anything.