Credit card limits: how they are set, raised and lowered

A credit card limit is the maximum balance your card agreement allows to stand on the account. In law, for a running-account credit agreement such as a credit card, the credit limit is "the maximum debit balance which, under the credit agreement, is allowed to stand on the account during that period, disregarding any term of the agreement allowing that maximum to be exceeded merely temporarily"¹. In everyday terms: the most you can owe on the card at any one time, combining purchases, cash withdrawals, interest and fees.

You rarely know the figure before you apply. The Financial Conduct Authority (FCA) found that consumers do not know what APR or credit limit they will get before applying, and many have a poor understanding of card features and costs². Where the limit is not known at the advertising or pre-contract stage, it is assumed to be £1,200 for the purpose of showing what the card might cost, unless it is known to be lower³. Your actual limit arrives with the card.

Limits also move in both directions after opening. Lenders can raise them, sometimes automatically, and they can cut them without asking, which is what happened to a wave of Barclaycard customers whose spending limits were reduced⁴. This page explains how the figure is decided, what rules protect you, and what to do if it is too high, too low, or suddenly smaller.

What a credit card limit is

The limit is the ceiling on what you can owe, not on what you can spend in a month. If your limit is £2,000 and you pay off £500 mid-month, that £500 of room becomes available again. The balance that counts towards the limit includes everything on the account: purchases, cash advances, balance transfers, interest charges and fees.

The limit sits inside a wider legal framework. The Consumer Credit Act 1974, which governs credit cards, originally defined a regulated consumer credit agreement as one providing credit not exceeding £15,000, a figure later revised, and the Act's definition of "credit limit" for running-account credit is the one lenders still work to¹. Separate disclosure regulations deal with small limits: where credit is provided subject to a maximum credit limit of less than £1,200, the assumed amount used in pre-contract information is an amount equal to that maximum limit¹⁰.

A limit is not a target and not a measure of what you can afford. Research for the FCA found many cardholders reported spending up to their limit within a remarkably short period, often as little as two to three months of having the card¹¹. The limit is the lender's risk control, not a recommendation of how much to borrow. How much of your limit to actually use is covered later in this page, because it has a direct effect on your credit score.

How lenders set your credit limit

When a card application is assessed, the lender works from your earnings, particularly what is left after normal monthly expenses, your existing debts, your current available credit and your repayment history¹². Lenders also use credit scoring: creditors set a threshold level, and if your score falls below it they may decide not to lend at all, or to lend at a higher cost¹³. The limit you are offered is the outcome of that calculation, which is why two people applying for the same card can receive very different figures.

Where you sit in the market shapes the starting limit. Credit-builder cards, aimed at people building or repairing a credit history, start with a low limit that is gradually raised as the borrower proves their creditworthiness¹⁴. The FCA's market study found these products tend to be characterised by an initially low credit limit, often £150 to £500, which can then be increased⁸. Student cards sit similarly low: HSBC's student card has been listed with a £500 maximum limit and Royal Bank of Scotland's with £250 to £500¹⁵. At the other end, an ombudsman case study describes a customer who reached a £5,000 card limit within three weeks¹⁶.

Research for the FCA also found that many consumers originally requested limits in the hundreds of pounds, with £500 to £750 a typical range¹¹. Limits across the market are not static either: the Bank of England's Credit Conditions Survey for the first quarter of 2026 reported a net percentage balance of 24.8 for how credit card limits had changed over the past three months, indicating lenders reported tightening rather than loosening¹⁷.

Affordability checks before a limit is offered

Before a limit is granted, the lender must assess whether you can afford it. Independent guidance is blunt: lenders should run affordability checks before offering a credit limit¹⁸. The Consumer Credit Act requires that before granting credit, or significantly increasing the amount of credit available to you, a creditor must assess your creditworthiness¹⁹. FCA rules state the same in more detail: a firm must undertake a reasonable assessment of the creditworthiness of the customer before entering into a regulated credit agreement, before significantly increasing the amount of credit under one, or before significantly increasing a credit limit for running-account credit⁵.

The check usually has two halves. The lender asks about your household budget: your income, your regular bills and your spending needs²⁰. It then checks your credit file for details of your debts²⁰. The two together produce a picture of what you could realistically repay, and the limit is set with that in mind. The same principle now extends to buy now, pay later: providers must carry out affordability checks, proportionate to the amount borrowed, before offering BNPL, for agreements taken out from 15 July 2026²¹.

If you are already struggling, the rules tighten further. A firm must not increase, nor offer to increase, a customer's credit limit where the firm has been advised the customer does not wish to have any increases, or where the customer is at risk of financial difficulties²². That applies to credit cards and retail revolving credit agreements generally. In practice, if you tell a lender you are in difficulty, that should switch off automatic increases rather than trigger them.

Where to find your credit limit

Your limit is included in the information sent to you when you receive your credit card, appears on your credit card statement, and can usually be seen online once you are logged in¹². Some banking apps also show how much of the limit you have used at any moment, which is the figure that matters for your credit file.

If you cannot find it, the statement is the reliable place: it shows the limit alongside the balance, so you can see both the ceiling and how close you are to it. Guidance for older customers notes that some cards carry a limit you will be charged for exceeding, so knowing the figure before you spend matters more than reading it after²³. The page on reading your statement explains where each figure sits.

Going over your limit: declined payments, charges and a lower limit

What happens at the limit depends on the lender. If a purchase would take you over, the lender may decline it, or may let it go through¹². There is no rule forcing a card to stop working at the ceiling, and some agreements allow the maximum to be exceeded merely temporarily¹, which is why an unexpected payment can sometimes succeed.

Going over is not free. If you go over your credit limit the provider may charge you a fee²⁴, and on credit-builder cards charges and interest can be added if you go over the limit, which makes it harder to get further credit in future²⁵. The page on late payment and over-limit charges covers what is allowed.

A warning is normally sent before the ceiling is reached. All credit card providers represented by the UK Card Association committed to sending a digital communication to all consumers who cross a threshold between 80% and 95% of their available credit limit, informing them that they are close to it⁶. If repeated breaches follow, the consequences escalate: the lender may lower your credit limit, or ask you to pay back the full amount you owe and close the account¹². Lenders also have the ability to suspend a card to stop you borrowing²⁶.

Asking for a higher limit: when and how

You can ask your lender for a higher limit, and some lenders let you request one through online banking or a mobile app, while others need a phone call or a branch visit¹². There is no fixed legal waiting period, but lender policies differ: some only offer an increase once you have had the card for six months or a year¹².

Because a significant increase is a new lending decision, the affordability rules apply again: the firm must assess creditworthiness before significantly increasing a credit limit⁵. The outcome is not guaranteed, and a refusal is the lender's decision to make.

Several rules limit when an increase can be offered at all:

• A firm must not increase, or offer to increase, a credit limit if the customer is at risk of financial difficulties, or has indicated they do not wish to receive increases, or has declined an offer of an increase³.
• Under industry remedies agreed with the FCA, where customers have a high credit limit utilisation over an extended period, firms will not be permitted to increase the limit without the customer's express agreement²⁷.
• After eight months of making only minimum repayments, customers will not receive a credit limit increase unless they expressly opt in²⁷.
• New customers are all given the choice of how credit limit increases will be applied to their account, with those who do not choose placed on an opt-in basis by default²⁷.
• The sector agreed to voluntary rules in 2018 meaning customers can opt out of receiving automatic credit limit increases, and those in persistent debt for 12 months will not be offered increases²⁸.

The reason for the last two rules is evidence-based. A review of credit card literature found that an increase in the credit limit is followed by an immediate and significant rise in credit card debt, averaging between 10 and 14 percent of the total credit limit, though that finding comes from US credit card accounts²⁹. In the UK, StepChange has called for stronger protections on affordability checks, minimum repayments and earlier support for people in persistent debt, following its September 2026 report on the credit card regulatory framework³⁰.

There have also been moments when higher limits were deliberately made easier to get. During the coronavirus period, affected TSB customers could request an emergency credit limit increase, alongside a three-month payment holiday subject to eligibility³¹.

Lowering your limit to keep spending in check

The right to go the other way is unconditional. FCA rules require a firm to permit a customer at any time to reduce their limit, to decline offers of an increase, and to decline to receive offers of increases at all⁷. You can ask for your credit limit to be reduced so you are not tempted to spend more than you can budget for³², and opting out of automatic increases is also listed among the ways to manage a credit-builder card well²⁵.

A lower limit works as a brake in a way that willpower does not, because the card physically stops at the ceiling. Other controls sit alongside it. If you have several credit cards, limiting yourself to one can make spending easier to manage³³. Banks offer further options depending on the provider, including switching to a debit card linked to a separate low-balance account, lower daily ATM limits, reduced credit card caps, blocking new direct debits and setting up transaction alerts³⁴. The first step in paying off card debt is to stop using the card, so the amount owed stops growing³⁵.

A reduced limit is not without a side effect: it raises your credit utilisation ratio, covered next. If a cut would push your utilisation sharply up while your balance is still high, that trade-off is worth weighing before asking. The narrow guide to refusing a limit increase or asking for a lower limit works through the detail.

How much of your limit to use: credit utilisation and your credit score

Credit utilisation is the amount of credit you are using compared to the limit on your card³⁶. It is one of the inputs lenders see, and it moves when either side of that fraction moves. If your balance is £500 and your limit is £2,000, your utilisation is 25%; if the limit drops to £1,200, the same balance puts you over 40%³⁶.

Guidance on how much to use varies in its threshold but points the same way. One source recommends keeping your balance below 30% of your total credit limit to boost your credit score³⁷; another illustrates that a £1,000 balance on a £5,000 limit means using 20% of the available credit³⁸; a third suggests keeping credit usage ideally below 50% of your agreed credit limits³⁹. On a £500 limit, the sort of figure common on credit-builder and student cards, staying inside the limit at all is the first hurdle, and the lower end of these ranges the better.

This is why an unrequested cut can damage a score even when nothing about your spending changed. If you had a £12,500 limit with a £200 balance, you would have used only 1.6% of the credit; should that limit drop to £250, your £200 balance would mean you are using 80% of the credit available⁴. Your utilisation ratio, which measures how much credit you are using relative to your limits, may spike, which can bring your credit score down⁴. Experian has been reported as giving a score impact of +20 points for being given a credit card limit over £5,000, which shows the limit itself, not just the balance, feeds into scoring⁴⁰.

If your limit is cut, the practical options are to check your credit history for errors, contact the issuer to make a case, pay down balances, and consider transferring the balance, rather than immediately cancelling the card³⁶. Cancelling can shorten your credit history and remove available credit, which can push utilisation up further. The narrow guide to what a limit cut means for your credit file covers this in full, and how credit cards affect your credit file explains the wider picture.

Where to get free help

If your limit feels too small for your needs, or too easy to fill, free and impartial help exists. MoneyHelper and debt charities such as StepChange publish guidance on affordability checks and what to do when lending feels irresponsible²⁰, and Citizens Advice explains how lenders decide whether to give you credit¹³. Advice NI provides equivalent guidance on credit reports and credit reference agencies for Northern Ireland³⁹, and Shelter Cymru publishes money and debt advice for Wales³².

For complaints about how a limit was set, raised or cut, the first step is the provider's own complaints process, and after that the Financial Ombudsman Service, which can look at decisions including cases where a customer's circumstances, such as ill health, were relevant to how debt built up¹⁶. The ombudsman's case study of the customer who ran up a £5,000 limit during a period of gambling and ill health is an example of the kind of individual assessment it can make¹⁶.