What to Pay Off First: Priority vs Non-Priority Debts
Pay priority debts first — the ones where not paying can cost you your home, an essential service, or a court fine and bailiff action. Only once every priority debt is current should you apply the debt snowball to non-priority debts like credit cards. Priority is set by consequence, not by interest rate.
The most common and most expensive debt mistake is to overpay a high-interest credit card while a council tax or energy arrears quietly escalates. This guide sorts your debts into the right two piles and shows exactly where a payoff plan belongs.
What are priority debts?
Priority debts are debts whose non-payment triggers the harshest enforcement — losing your home, losing an essential utility, or court action, bailiffs and, in rare cases, prison for non-payment of council tax. They come first regardless of their interest rate.
Typical priority debts include:
- Rent or mortgage arrears — non-payment risks eviction or repossession.
- Council tax arrears — escalates quickly; the whole year can become due and bailiffs can be instructed.
- Energy bills (gas and electricity) — risk of disconnection or a forced prepayment meter.
- Court fines — non-payment can escalate to enforcement.
- Tax owed to HMRC — including Income Tax and overpaid tax credits.
- TV licence — non-payment is a criminal offence.
- Secured and hire-purchase debt — the asset (home or car) can be taken.
What are non-priority debts?
Non-priority debts are unsecured debts with serious but slower consequences — a lender can eventually take you to court, but cannot cut off a service or seize your home to recover them.
These are exactly the debts the snowball is built for:
- Credit cards and store cards
- Overdrafts
- Personal loans and car finance you would not surrender
- Buy-now-pay-later balances
- Catalogue and payday debt
They still matter — missed payments harm your credit file and interest compounds — but they are dealt with after priority debts are current.
Pay first — Priority
- Rent / mortgage arrears
- Council tax
- Gas & electricity
- Court fines & HMRC
- TV licence
Then snowball — Non-priority
- Credit & store cards
- Overdrafts
- Personal loans
- Buy-now-pay-later
- Catalogue / store credit
Why priority is set by consequence, not interest rate
A credit card at 25% APR still ranks below council tax at effectively 0%, because the true cost of the priority debt is enforcement, not interest.
Interest is a number; enforcement is losing your home, heat or liberty. That is why every reputable debt charity sorts debts by consequence first. StepChange, National Debtline and Citizens Advice all triage priority debts — housing, council tax, energy, court fines — ahead of credit cards and loans. Only when the priority pile is stable does an ordering strategy like the snowball make sense.
Where the debt snowball fits
Make every priority debt current and keep it current, then run the snowball on your non-priority debts — smallest balance first, rolling each cleared payment onto the next.
In other words, priority debts are a gate you pass through before the payoff plan begins. Once you are through it, the snowball takes over on the non-priority debts, and your monthly overpayment does the work. Two tools make this concrete: the budget planner shows what is left after essentials and priority payments, and the debt snowball calculator turns that surplus into a debt-free date.
Plan your non-priority payoff →If you cannot cover priority debts, get advice now
Falling behind on priority debts is urgent. Free, regulated advice can pause enforcement and set up affordable arrangements.
Contact StepChange, National Debtline or Citizens Advice. You may qualify for the Debt Respite Scheme (Breathing Space), which pauses enforcement and freezes most interest for 60 days while you get advice. All are free — never pay upfront for debt help.
Frequently asked questions
What is the difference between priority and non-priority debts?
Priority debts carry the most serious consequences of non-payment — losing your home, an essential service, or facing court fines and bailiffs. Non-priority debts like credit cards and overdrafts carry serious but slower consequences and are dealt with afterwards.
Should I pay priority debts before credit cards?
Yes — always bring priority debts current before overpaying a card, even a high-interest one. The cost of unpaid priority debt is enforcement, not interest, and no APR outweighs that.
Where does the debt snowball fit with priority debts?
The snowball is only for unsecured, non-priority debt. Make every priority debt current first, then clear your remaining balances smallest-first. Never divert money from a priority debt to overpay a card.