How to Improve Your Credit Score: What Actually Moves the Number
Two factors drive about two thirds of your score. Almost everything else you have read about credit repair is noise around the edges.
Your credit score is mostly two things: whether you pay on time, and how much of your available credit you are using. Those two factors drive roughly two thirds of the number, which is why most “credit repair” advice is noise around the edges.
This guide covers what actually moves a score, how fast each change shows up, and the three myths that cost people money every year.
What actually makes up a credit score
| Factor | Rough weight | How fast it moves |
|---|---|---|
| Payment history | ~35% | Slow to build, instant to damage |
| Credit utilisation | ~30% | One to two statement cycles |
| Length of credit history | ~15% | Only with time |
| Credit mix | ~10% | Months |
| New applications | ~10% | Recovers over 6–12 months |
The exact weights differ between scoring models and countries — FICO and VantageScore in the US, Experian, Equifax and TransUnion scores in the UK and Canada all differ slightly — but the top two factors are the top two everywhere.
Utilisation: the fastest lever you have
Utilisation is the share of your available credit you are using when the lender reports to the bureau, which is usually your statement date — not your payment due date. This distinction is where most of the easy points are hiding.
Someone with a $5,000 limit who spends $2,200 a month and pays in full still looks like a 44% utiliser, because the balance is reported before the payment clears. Paying $1,500 of it a few days before the statement date reports 14% instead — same spending, same cost, materially different number.
Payment history: protect it above everything
A single payment 30 days late can knock a good score down substantially and stays on the file for years. Practical defences:
- Set every account to autopay the minimum, then pay more manually. The autopay is insurance, not the plan.
- If you are going to miss one, call before the due date. Lenders can often apply a forbearance that is not reported as a late payment.
- If you have just missed one and it is the only blemish, ask for a goodwill adjustment. It works more often than people expect on a long-standing account.
Three myths that cost real money
“Carrying a balance builds credit”
It does not. Paying interest has no scoring benefit whatsoever. Use the card, pay it in full, keep utilisation low at the statement date.
“Closing old cards helps”
Closing a card removes its limit from your total available credit, which pushes utilisation up, and eventually shortens your average account age. If it has no fee, keep it open and put one small recurring charge on it.
“Checking your score damages it”
Checking your own score is a soft search and changes nothing. Only applications create hard searches, and even those recover within six to twelve months.
What to expect, and how quickly
| Action | Visible after | Typical effect |
|---|---|---|
| Cut utilisation from 60% to 15% | 1–2 statement cycles | Large |
| Clear a collection or default | 1–2 months | Moderate; the record stays but settled |
| Fix an error on your report | 30–45 days | Varies, sometimes large |
| Add six months of on-time payments | 6 months | Steady and cumulative |
| Close an old card | 1–2 months | Usually negative |
Check your report — not just the score — at least once a year with each bureau, and dispute anything wrong. Errors are more common than most people assume, and a wrong default is worth more to fix than any amount of optimisation.
Do the debt maths first
A better score is worth having, but it is a means, not the goal. If you are carrying balances above 15% APR, clearing them saves more than a score improvement earns — and clearing them improves the score anyway. Compare payoff orders in snowball vs avalanche, then run your own balances through the payoff simulator in the Money Dashboard.
Frequently asked questions
What affects your credit score the most?
Payment history at roughly 35% and credit utilisation at roughly 30%. Together they drive about two thirds of the score, which is why everything else is a rounding error by comparison.
How can I improve my credit score fast?
Cut reported utilisation. Make a payment before your statement date rather than the due date, ask for a limit increase, and spread spending across cards. This shows up within one or two statement cycles.
Does carrying a balance help your credit score?
No. Paying interest has no scoring benefit. Use the card, pay it in full, and keep the balance low on the statement date.
Does checking your credit score lower it?
No. Checking your own score is a soft search with no effect. Only applications create hard searches, and those recover within six to twelve months.
Should I close a credit card I no longer use?
Usually not, if it has no annual fee. Closing it removes its limit from your available credit, pushing utilisation up, and eventually shortens your average account age.
This guide is general information, not personal financial advice. Figures are illustrative and were last verified in September 2026. Rates and thresholds change — check current figures with the provider before acting. See our full disclaimer.