What Credit Score Do You Need for a Mortgage? A UK Guide

It is one of the most common questions from anyone hoping to buy a home: what credit score do you need for a mortgage? It feels like there should be a clear number, a threshold you cross and the door opens. The honest answer is that there is no single magic figure, and anyone who tells you otherwise is oversimplifying. In the UK there is no universal credit score that lenders use, no official minimum, and the number you see in a credit app is not even the number a lender sees. What matters is the bigger picture of your finances. This guide explains how it really works, what lenders look at, and how to give yourself the best possible chance of approval.

What credit score do you need for a mortgage?

There is no set credit score you need for a mortgage in the UK. Lenders do not share a single scoring system, and none of them require a specific number from a credit reference agency. Instead, each lender runs its own assessment of you, using the information on your credit report alongside your income, your deposit and your existing commitments. A higher, cleaner credit profile opens up more lenders and the best interest rates, while a lower one narrows your options and can mean higher rates or a need for a bigger deposit. But there is no fixed line that says approved on one side and rejected on the other.

So rather than chasing a particular score, the more useful goal is a strong overall financial picture. That is what actually moves the needle with a lender.

Why there is no universal mortgage credit score

Two things explain why the question has no simple answer. First, the score you check yourself comes from a credit reference agency, but mortgage lenders do not lend based on that consumer score. Lenders run their own internal credit scoring, built around their own risk appetite, and they pull your credit report to do it. Two lenders can look at the same person and reach different decisions, because they score differently and want different types of customer.

Second, there is not even one consumer score to begin with. The UK has three main credit reference agencies, and each uses its own scale, so you actually have three different numbers at any given time. A score that looks excellent on one scale can look mediocre on another, purely because the scales are different lengths. This is why fixating on a single number is misleading.

The three UK credit reference agencies

The three agencies that hold credit information on UK consumers are Experian, Equifax and TransUnion, which used to be called Callcredit. They broadly use the same underlying data, such as your borrowing, repayments and public records, but they present it on different scales:

• Experian: scores run from 0 to 999.
• Equifax: scores run on a scale up to 1,000.
• TransUnion: scores run from 0 to 710.

Because the scales differ, the same financial behaviour produces three different headline numbers. It is sensible to check your report with more than one agency before applying, because each can hold slightly different information, and an error on one will not necessarily appear on another.

What counts as a good score for a mortgage

Since Experian is the agency most people check, its bands are a useful illustration of how scoring works. On Experian's 0 to 999 scale, the bands are roughly: very poor from 0 to 560, poor from 561 to 720, fair from 721 to 880, good from 881 to 960, and excellent from 961 to 999. The other agencies have their own equivalent bands on their own scales.

As a general guide, the higher your band, the smoother your route to a mainstream mortgage at a competitive rate. An excellent score tends to unlock the widest choice of lenders and the lowest interest rates. A good or fair score will usually still get you a mortgage with a high-street lender, particularly if the rest of your finances are solid. A poor score does not rule you out, but it shifts you towards fewer lenders, higher rates, or specialist options. Treat these bands as a rough signal of where you stand rather than a pass mark, because, as covered above, the lender uses its own scoring rather than these consumer figures.

Can you get a mortgage with a poor credit score?

Yes, it is possible to get a mortgage whatever your credit score, but the lower it is, the fewer options you will have. Mainstream high-street lenders tend to want a clean record, so a poor score or recent problems can lead to a decline from them. That is where specialist lenders come in. These lenders are set up to consider applicants with issues such as past missed payments, defaults or county court judgments, and they price for the extra risk, which usually means a higher interest rate and sometimes a larger deposit requirement.

The trade-off is cost. A mortgage taken with adverse credit will typically be more expensive than one taken with a clean profile. Many people in this position improve their credit for a year or two, then remortgage onto a better deal once their record has recovered. If your credit is impaired, a broker who specialises in this area can be particularly valuable, which we come to below.

What mortgage lenders actually look at

Your credit profile is only one input. Lenders are trying to answer a single question: can you comfortably afford this mortgage, and are you likely to repay it? To judge that, they weigh several things together.

• Income and affordability: how much you earn, how stable it is, and whether you are employed, self-employed or have other income. Lenders stress-test whether you could still afford the payments if rates rose.
• Deposit and loan-to-value: the larger your deposit, the lower the loan-to-value, and the less risk for the lender. This is one of the biggest factors of all.
• Existing commitments: other debts, credit cards, car finance, loans and regular outgoings all reduce how much you can borrow.
• Credit history: not just the score, but the detail. A record of paying on time over years is reassuring; recent missed payments or defaults are not.
• Employment stability: length of time in your job or trading history if self-employed.
• Electoral roll registration: being on the electoral roll at your current address helps lenders verify your identity and looks stable.
• Recent credit applications: several applications in a short period can be a red flag, as it can suggest you are relying on credit.

This is why a borrower with only a fair score but a good income and a sizeable deposit can be approved where someone with a higher score but a small deposit and lots of existing debt is turned down. The score never stands alone.

How your deposit can offset a lower score

Of all the factors, the size of your deposit does a lot of heavy lifting. A bigger deposit means a lower loan-to-value ratio, which reduces the lender's risk if your home ever had to be repossessed and sold. That lower risk can make a lender more willing to overlook a less-than-perfect credit profile, and it also tends to unlock better interest rates. In practice, saving a larger deposit is one of the most effective ways to strengthen a weaker application. If you are working out how much you will need, our guide on how much deposit you need breaks down the numbers and the typical loan-to-value tiers.

What hurts your mortgage chances

Some things weigh more heavily against you than a simply average score. The main ones lenders worry about are clear signs of past difficulty repaying credit. These include missed or late payments on bills and credit, defaults where an account was closed because you fell behind, county court judgments for unpaid debts, and more serious markers such as bankruptcy, an Individual Voluntary Arrangement or a debt relief order. These adverse markers stay on your credit file for six years, although their impact fades as they age, so a default from five years ago counts for much less than one from last month.

Other avoidable problems include not being on the electoral roll, having very high credit card balances relative to your limits, and making several credit applications in the months before you apply for a mortgage. None of these is fatal on its own, but together they can tip a borderline application the wrong way.

How to improve your credit before you apply

The good news is that most of the factors are within your control, and improvements usually show within three to twelve months of consistent good habits. Before you apply for a mortgage, it is worth working through the following:

• Check all three credit reports and fix any errors, since incorrect information can drag your profile down unfairly.
• Register on the electoral roll at your current address if you are not already.
• Pay everything on time, every time, as payment history is one of the most influential factors.
• Reduce your credit utilisation, ideally keeping balances well below your limits rather than maxed out.
• Pay down existing debt where you can, which improves both your score and your affordability.
• Avoid new credit applications in the months before applying, to keep your recent record clean.
• Keep older accounts open, as a longer credit history generally helps.

Free, impartial guidance on building your credit is available from MoneyHelper, the government-backed money advice service.

Should you use a mortgage broker?

A whole-of-market mortgage broker can be worth their weight, especially if your credit is anything other than spotless. A good broker knows which lenders are likely to accept your particular profile, so they can match you to a suitable lender without you firing off multiple applications and leaving a trail of hard searches on your file. For applicants with adverse credit, a specialist broker has access to lenders you will not find on the high street. Brokers can also carry out soft searches first, which do not affect your credit file, to gauge your chances before any formal application.

How to check your credit report

Before doing anything else, get a clear view of where you stand. You can check your credit information with all three agencies, and you are entitled to see the core report information for free. Review each report carefully for mistakes, outdated entries, or accounts you do not recognise, and challenge anything that looks wrong with the relevant agency. Doing this several months before you plan to apply gives you time to correct errors and improve weak areas, rather than discovering a problem at the worst possible moment.

The bottom line is that there is no single credit score you need for a mortgage in the UK. Aim for a strong overall profile, a healthy deposit, manageable debts and a clean recent history, and you give yourself the widest choice of lenders and the best rates. This guide is general information rather than financial advice, so for a decision about your own mortgage it is worth speaking to a qualified mortgage adviser. To get a feel for what your monthly payments might look like at different borrowing levels, try the calculator below.