When starting your mortgage journey, one of the first steps is often to obtain an Agreement in Principle (AIP).
This shows estate agents and sellers that a lender is willing to consider offering you a mortgage, based on your financial situation. To provide this, lenders usually carry out a credit check.
The type of credit search performed, soft or hard searches, can determine how it affects your credit file.
Understanding the difference can help you approach the process with confidence, especially if you are one of the many first time buyers in Grimsby who are just beginning their mortgage journey.
What is a Credit Check?
A credit check is a review of your financial history, carried out by a lender to see how you’ve managed borrowing in the past.
It involves looking at information such as whether you’ve kept up with loan and credit card payments, how much debt you currently have, and whether you’re registered on the electoral roll.
For mortgage purposes, this information helps lenders in Grimsby see if you’ve shown reliability when it comes to repaying money, which plays a major role in their decision-making.
Why do lenders perform credit checks?
Lenders carry out credit checks to judge whether you’re likely to keep up with future mortgage repayments.
It’s a way of managing risk, if your history shows consistent payments and low debt, they’ll view you more positively.
Credit checks also help prevent fraud by confirming your identity and checking for inconsistencies in your application.
Beyond risk management, the information gathered is used to shape how much they are willing to lend and at what interest rate, so it directly affects the mortgage deals available to you.
For first time buyers in Grimsby, this step can be particularly important as lenders often want reassurance that you can handle the commitment of a first mortgage.
How does your agreement in principle affect your credit score?
When you request an AIP, the lender carries out a credit search to give you a realistic figure of what you might be able to borrow.
If this is done using a soft credit check, it will not affect your credit score and is only visible to you.
If it’s a hard check, it leaves a record on your file, which other lenders can see.
Too many hard searches in a short period can reduce your score slightly and make you look as though you’re applying for lots of credit.
This is why many buyers prefer lenders who use soft checks at the AIP stage, as it allows them to explore their options without harming their credit score.
What is a soft credit check?
A soft credit check is a simple way for a lender to review your credit history without leaving a mark that others can see.
It gives them enough information to confirm whether you’re likely to be accepted for a mortgage, but it won’t impact your score.
Only you can see that the check has taken place, and it disappears from view quickly.
This makes soft searches a reassuring option for those who are still early in the house-hunting process, particularly first time buyers in Grimsby who may not yet be ready to make a formal application.
What is a hard credit check?
A hard credit check is a more detailed search of your financial history.
Unlike a soft search, it leaves a footprint on your credit file that other lenders can see.
If you have several hard checks within a short time, it can make it appear as though you’re struggling to get approved for borrowing, which may put off some lenders.
Hard searches are more common at the full mortgage application stage, when lenders need a complete picture before making a final decision.
How does a credit check affect your credit score?
The impact depends on the type of check performed.
A soft credit check has no effect at all on your score, whereas a hard check can lower it slightly in the short term.
If you only have one or two hard checks in a year, this is unlikely to cause problems.
Repeated hard checks in a short timeframe, though, can signal to lenders that you might be in financial difficulty.
That’s why starting the process with a soft search AIP is often the preferred route for buyers in Grimsby, as it provides reassurance without damaging your file.
It offers first time buyers a safe way to understand how much they might be able to borrow before making an offer.
Will an agreement in principle help when making an offer?
Yes, having an AIP can make a big difference when you’re ready to make an offer on a property.
Estate agents in Grimsby often ask to see proof of an AIP before they take your offer seriously, as it shows you’ve already spoken to a lender and are financially prepared.
This makes you a more attractive buyer compared to someone who hasn’t started the mortgage process yet.
In competitive markets, an AIP can give you an edge over others, as sellers feel reassured that you are in a strong position to proceed.
How long does an agreement in principle last for?
Most AIPs last between 30 and 90 days, depending on the lender.
This gives you a window to find a property and make an offer. If it expires before you’ve bought a home, it can usually be renewed, often with another soft check.
This is useful for buyers in Grimsby who may need more time to find the right place.
Keep in mind that if your circumstances change, such as your income, debts, or credit profile, the lender may review the figures before issuing a new AIP.
Date Last Edited: September 16, 2025
