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Debt and relationships: what you owe when you separate

15 May 2026 · 2 min read

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Relationship breakdown is stressful enough without debt confusion. Here's what you need to know about who owes what.


The basic rule


**The person who signed the credit agreement is responsible for the debt.** Not the person who spent the money. Not the person who benefited from it.


Joint debts


If you both signed (joint loan, joint credit card, joint mortgage), you're both **jointly and severally liable**. This means:

  • The creditor can chase either of you for the full amount
  • If your ex stops paying their share, you're liable for the whole debt
  • You can't force your ex to pay "their half" through the creditor

  • Sole debts in your ex's name


    If a debt is only in your ex's name, you are **not responsible** for it — even if:

  • You benefited from the spending
  • They say you agreed to pay half
  • A family member pressures you

  • Sole debts spent on your ex


    If a debt is in your name but your ex spent the money (e.g., they used your credit card), you are still legally responsible. Your recourse is through family court during the financial settlement.


    What to do about joint debts


    1. Contact the creditor

    Explain the situation. Ask about splitting the account or converting to individual accounts.


    2. Close joint accounts

    To prevent your ex from borrowing more, ask the bank to convert joint accounts to "require both signatures" or close them.


    3. Financial de-linking

    Contact all three credit reference agencies (Equifax, Experian, TransUnion) and request a **financial disassociation**. This removes the link between your credit files.


    4. Get legal advice

    In divorce or dissolution, debts can be divided as part of the financial settlement. The court considers all circumstances.


    Free help


  • **National Debtline**: 0808 808 4000
  • **Citizens Advice**: 0800 144 8848
  • **Family Mediation Council**: familymediationcouncil.org.uk
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