Does remortgaging affect your credit score?

Remortgaging can have a short-term effect on your credit score, mainly because most applications involve a hard credit search, which is visible to other lenders. This is a normal part of applying for a mortgage rather than something to avoid, and for most homeowners the bigger factor in how a remortgage application goes is what is already on their file, not the search itself.

What actually happens to your credit file when you remortgage?

When you apply to remortgage, the new lender typically carries out a hard credit search as part of assessing your application. This search is recorded on your credit file and is visible to other lenders, unlike a soft search, which is not. A single hard search is unlikely to make a meaningful difference to your credit score on its own, but several searches close together, for example from applying to a number of lenders directly rather than comparing first, can look different to a lender assessing risk.

This is separate from the checks a lender makes on your income and outgoings, which look at affordability rather than your credit score directly. Our guide on how lenders assess affordability covers that side of the process, since the two are often confused but are assessed differently.

Soft search compared with hard search

Because some lenders use a soft search for an initial decision in principle and others use a hard search, it is worth asking which applies before you get a decision in principle from multiple lenders. Our guide on whether a decision in principle affects your credit score covers this specifically.

Does a product transfer affect your credit file differently?

A product transfer with your existing lender sometimes involves a softer check, or in some cases no new search at all, since you are not borrowing more and the lender already holds your mortgage. This is not guaranteed across every lender, but it is one reason a product transfer can be worth comparing against a full remortgage if you are trying to limit the number of hard searches on your file. This is worth thinking about particularly if you have applied to more than one lender recently, since each application adds another visible search to what other lenders can see when they assess you.

Does remortgaging itself improve or damage your score?

The remortgage itself, meaning the act of moving your mortgage to a new deal or lender, does not directly raise or lower your score beyond the effect of the credit search. What matters more over time is how you manage the new mortgage: paying on time supports your credit history, while missed payments after a remortgage would be recorded in the same way as on any other mortgage. In other words, the remortgage is a neutral event in itself, and your ongoing payment record is what really moves the needle.

Does having adverse credit make the search itself worse?

No, the search process is the same regardless of what is on your file. What differs is how a lender responds to what the search reveals, not the impact of the search itself on your score. Having a CCJ or defaults already on your file affects how lenders assess your application, but it does not mean a mortgage search itself is recorded any differently than it would be for someone with a clean file. It is the same principle whether you are employed, self-employed, or applying jointly with someone else: the search process itself does not change, only the lender’s response to what it shows.

What matters more than the search if you have bad credit

If you already have adverse credit, the search from a remortgage application is rarely the main concern. What usually matters more is:

• What is already recorded, and how old it is. Since most negative information stays on file for 6 years, an older CCJ or default is often viewed differently by lenders than a recent one, regardless of any new search.
• Whether you are applying to multiple lenders directly. Comparing deals through a broker or adviser who uses eligibility checks first can reduce the number of hard searches compared with approaching several lenders yourself.
• Whether a product transfer is a realistic option first. Staying with your existing lender, without a full reassessment, can sometimes avoid an additional hard search altogether.
• Getting your statutory credit report before you apply, so you know exactly what any new search will reveal to a lender, rather than being surprised by something you had forgotten about.

None of this means you should avoid remortgaging out of concern for your credit score. A single, sensible application is a normal part of managing your mortgage, and the effect of the search itself is usually far smaller than the effect of what is already on your file, or of an unmanaged debt problem. If money worries sit behind your credit history, MoneyHelper and StepChange offer free, independent advice separate from any lender, and speaking to your current lender early if you are struggling to keep up with payments is worth doing regardless of whether you go on to remortgage.