Steady It Debt Management
The debt snowball method: your path to financial freedom
The debt method that has cleared more debt than any other - and the psychology of why it works.
By Chris Willman · Last reviewed · About a 10 minute read
The short version
- The Snowball clears your debts smallest balance first, ignoring interest rates, to build momentum from quick wins.
- Each cleared debt rolls its payment into the next, so your payoff speed accelerates like a snowball.
- It is built on behaviour, not maths: it works because you actually stick with it.
- Start with a small buffer first so a surprise does not send you back to credit.
What do you need to do before you begin the Snowball?
In short: In short: sort your debts and build a small buffer first - the order matters.
Before starting: list every debt with its current balance, minimum payment, and interest rate. Sort by balance, smallest first - ignore the interest rates for now. The order of attack comes later; right now you are just getting a clear picture.
Then build a small starter buffer of around £500 to £1,000, separate from your current account. This is not optional. Without it, one unexpected cost sends you back to borrowing and breaks the momentum before it builds. The buffer is the circuit-breaker.
How does the Snowball method actually work?
In short: In short: smallest balance first, roll each cleared payment into the next, repeat.
Step one: pay the minimum on every debt. This keeps every account current and avoids penalty charges. Step two: throw every available extra pound at the smallest balance. Not the highest interest rate - the smallest balance. Step three: when it clears, add its minimum payment to what you were paying on the next smallest. The payment snowballs - it gets bigger with each debt cleared.
- Pay minimums on all debts to stay current.
- Direct all extra money at the smallest balance.
- When the smallest clears, roll its payment forward to the next debt.
- Repeat until every debt is gone.
The method is not about interest rates. It is about momentum, and momentum keeps you going. Clearing a debt - even a small one - produces a genuine sense of progress that makes the next step feel achievable.
What does the Snowball look like in practice?
In short: In short: Sarah's snowball rolls from £800 to £6,400 - the momentum is the engine.
Sarah has three debts: a store card (£800 balance, £25 minimum payment), car finance (£4,200 balance, £180 minimum payment), and a credit card (£6,400 balance, £120 minimum payment). She has £75 of extra money each month after paying all minimums.
Phase one: she throws the £75 at the store card, paying £100 per month in total. After around 9 months, the store card clears.
Phase two: she now has £100 freed up from the store card, added to the £75 extra - so £175 now goes at the car finance on top of its £180 minimum, meaning £355 per month total. The car finance clears in roughly 12 more months.
Phase three: £355 is now free, added to the credit card minimum of £120, paying £475 per month at the credit card. The credit card clears in around 15 more months.
Is the Snowball method better than the Avalanche?
In short: In short: the best method is the one you will actually finish.
The Avalanche method (highest interest rate first) saves more money mathematically. Over a long payoff period, targeting the most expensive debt first reduces the total interest paid. That is the maths.
The Snowball is built on behaviour, not maths - and it works because quick wins sustain motivation. Most people who attempt the Avalanche and abandon it would have been better served by a Snowball they could finish. The best method is the one you will actually complete.
How do you keep the Snowball rolling when it gets hard?
In short: In short: celebrate the clears, protect the buffer, and do not restart the clock.
Celebrate every cleared debt. That account is gone. That minimum payment no longer exists. Marking it matters - it reinforces that the method is working and makes the next phase feel achievable rather than endless.
Do not touch the buffer (the £500 to £1,000 starter fund) even when progress feels slow. It is there for genuine emergencies only. And when a bad month happens - and it will - do not abandon the method. Pay the minimums, absorb the interruption, and resume when you can. The method works across years, not months.
- Celebrate each cleared debt - acknowledge the progress.
- Keep the starter buffer intact; use it only for genuine emergencies.
- On a difficult month, pay minimums only and resume the extra payment next month.
- Do not restart the list - pick up where you left off.
Frequently asked questions
How does the debt snowball method work?
You pay the minimum on every debt, then throw all spare money at your smallest balance until it clears. You then roll that freed-up payment onto the next smallest debt, and so on, so your payoff accelerates as you go.
Is the snowball or avalanche method better?
The snowball builds motivation with quick wins; the avalanche (highest interest first) saves the most money. The best one is the one you will actually finish. See our full guide to paying off debt for the decision.
Written by Chris Willman, founder of Money Matrix Unplugged. This is financial education, not personal advice.