Credit

What is credit? (It's not free money.)

Q: What is the difference between credit and debt?

They are the same thing viewed from opposite ends. Credit is the lender's word, chosen to sound like trust and opportunity. Debt is what it is called once you owe it.

Q: Is 0% or interest-free credit really free?

The 0% window is real and used with discipline it costs nothing. Miss a payment or overrun the window and the rate jumps to the card's full APR, often 25% to 40%. The offer is priced on the customers who slip.

Q: Why do banks keep offering me credit?

Because lending is how banks make money, and as the Bank of England explains, lending is also how new money comes into existence. Creating your loan costs almost nothing; your interest is real income for years.

"Congratulations! You're approved." The app throws a little animation. The email calls it great news. Stop and look at what just happened: a company examined your life, decided you are likely to pay it money for years, and told you that you had won something. Nobody throws confetti for you signing up to pay a stranger 36% a year.

The short answer

Credit is spending money now that you must hand back later, with interest on top. It is not extra income and it is not a favour. It is renting money, and the rent is called APR. Used deliberately it is a tool. Used the way it is marketed, it is a treadmill.

The oldest rebrand in the business

The word "credit" comes from the Latin credere: to trust, to believe. Lovely word. Notice who chose it. Nobody opens an account called "long term interest extraction", so the industry's word for lending you money at 36.8% is the word for faith.

The framing runs all the way down. You are "accepted". You are given a credit "limit", as if it were a level to reach. Raising that limit is called "good news". Every word is chosen to make borrowing feel like an achievement, because the moment it feels like an achievement, you stop asking the only question that matters: what does this cost me?

Here is the reframe this site exists for. When a lender approves you, they are not saying you are trustworthy. They are saying you look profitable: likely to carry a balance, likely to pay interest for a long time, unlikely to disappear. Approval is not a compliment. It is a forecast about your future payments.

Where the money you borrow actually comes from

Now the layer almost no money guide will touch. When a bank lends you £600, it does not go to a vault and fetch £600 of someone's savings. The act of lending creates the money as a new deposit in your account. That is not this site being edgy: it is the Bank of England's own description of how the system works, and you can read it in their 2014 bulletin, linked in the receipts box on our page about it.

Sit with what that means for the word "credit". The thing being rented to you did not exist until you agreed to rent it. The lender's cost of manufacturing your loan was a keystroke. The interest, though, is paid by you, out of real hours of your real life. That is the trade, stated plainly. It can still be worth taking. But you deserve to know what the trade is.

One phone, two prices

Credit's favourite trick is hiding the second price tag. Take a £600 phone on a credit card at 36.8% APR, the current UK average, and pay a comfortable-feeling £20 a month.

The second price tag, made visible. Drop the payment to £18 a month and it becomes 82 months and £873 of interest.

That is the whole subject in one picture. Credit does not change the price of the thing. It adds a second price, for the timing, and the second price is set by the APR and by how slowly you repay. Slow feels comfortable. Slow is where the money is made.

Trap ahead: the vanishing pain

Handing over £600 in cash hurts, and the hurt is useful: it is your brain doing accounting. Tapping a card does not hurt. Splitting into instalments hurts even less. None of that is accidental. Every innovation in paying, from cards to one-click to instalments at the checkout, is an innovation in removing the moment where you feel the cost. The purchase feels smaller. The debt is not.

The honest case for credit

We do not do pantomime villains here, so here is the other side. Credit lets people buy homes decades before they could save the price. It smooths genuine emergencies: the boiler, the car that gets you to work. Used lightly and repaid in full, a credit card costs nothing, builds your credit file, and gives you legal protection on purchases over £100 that cash does not get. The tool is real.

The test is one question: does the thing outlast the debt? A home, a qualification, a boiler: often yes. A night out financed at 36.8%: you will be paying for it long after everyone has forgotten the night. Credit for things that grow, cash for things that vanish. That single rule beats most of the financial advice industry.

The moves

Screenshot this bit

Say the whole sentence before you borrow. Not "it's £20 a month" but "it's £20 a month for 61 months, which is £1,209". If you cannot fill in the last number, you are not ready to sign.
Know your payoff date. If you cannot name the month the debt dies, the debt is in charge, not you.
Never borrow for things that vanish. Food, nights out, holidays on credit mean paying interest on a memory.
If you use a card, automate full repayment. A direct debit for the full balance every month makes the meter read zero forever, and the card quietly builds your file.
Treat "you're approved" as data, not applause. It means their model expects to profit from you. Make the model wrong.

Check it yourself

Where loan money comes from. Bank of England, Money creation in the modern economy, Q1 2014 bulletin, on our flagship page with the exact quotes and the paper itself.
The price of renting money. Average UK credit card APR: about 36.8% (May 2026).
Even your own bank. HSBC's arranged overdraft rate: 39.9% EAR variable above the interest free buffer. Checked 25 August 2026.
Our working. £600 at 36.8% APR, monthly compounding, £20 a month: 61 months, about £609 interest. £18 a month: 82 months, about £873. Reproduce it in any spreadsheet.

Questions people ask

Is credit bad?

No. Credit is a power tool: neither good nor evil, and unforgiving of people who use it without reading how it works. Borrowing at a known cost, for something that outlasts the debt, with a payoff date you chose, is fine. Borrowing because an app made it feel like winning is how the trap gets you.

What is the difference between credit and debt?

Same thing, viewed from opposite ends. "Credit" is the lender's word, chosen to sound like trust and opportunity. "Debt" is what it is called once you owe it. The industry sells credit. Nobody sells debt. Watching which word gets used when tells you a lot.

Can I get credit at 18?

Yes. From 18 you can legally hold a credit card, overdraft or loan in the UK. Expect a low limit and a high APR at first, because you have no track record. Being offered credit at 18 is not proof you should take it: lenders price new borrowers' risk into the rate and profit either way.

Is 0% or interest-free credit really free?

The 0% window is real, and used with discipline it truly costs nothing. The business model is the people who slip: miss a payment or overrun the window and the rate jumps to the card's full APR, often 25% to 40%. The offer is priced on the percentage of customers who will not escape cleanly. Decide in advance which group you are in, in writing, with a direct debit.

Why do banks keep offering me credit?

Because lending is how banks make money, and, as the Bank of England itself explains, lending is also how new money comes into existence. Creating your loan costs the bank almost nothing; your interest is real income to them for years. You are not being courted because you are special. You are being courted because you are the product.