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Joint debts: what you're really liable for

9 June 2026 · 2 min read

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If you have a joint debt, you need to understand a concept called "joint and several liability." It could leave you responsible for far more than you expect.


What is joint and several liability?


When you take out a joint debt (joint loan, joint mortgage, joint credit card), both parties are responsible for the **entire amount**. Not half each — the whole thing.


This means if your joint debtor stops paying their share, the creditor can pursue you for 100% of the remaining balance.


Common joint debts


  • Joint mortgages
  • Joint bank accounts with overdrafts
  • Joint credit cards
  • Joint loans
  • Any debt with two signatories

  • What ISN'T a joint debt


    Just because you live with someone doesn't make their debts yours:

  • Debts in only their name — not your responsibility
  • Bills in their name only — not your responsibility
  • Council tax — the liable person is usually the main tenant/owner

  • After a relationship breakdown


    Step 1: Close or freeze joint accounts

    Contact the bank and convert joint accounts to require both signatures, or close them entirely.


    Step 2: Financial de-linking

    Contact Equifax, Experian, and TransUnion to remove the financial association from your credit files.


    Step 3: Negotiate with creditors

    Explain the change in circumstances. Some creditors will agree to split a joint account into two individual ones.


    Step 4: Get legal advice

    In divorce, the court can allocate responsibility for joint debts as part of the financial settlement.


    Protecting yourself


  • Think carefully before taking on joint debt
  • Monitor joint accounts regularly
  • If the relationship changes, act quickly to limit your exposure

  • Free advice: National Debtline (0808 808 4000) or Citizens Advice (0800 144 8848).

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