When you apply for a mortgage lenders use a formula to calculate a score that represents your credit history and helps to indicate what type of borrower you are. Making sure the information contained on your credit report is accurate and working to improve your score is essential to getting the best mortgage or loan.

A lender will use one of 3 credit agencies to check your financial history and payment record before offering you a mortgage; these are Experian, Equifax and Call Credit (Noddle). It is worth getting your credit report yourself to spot any potentially errors, such as an incorrect house number, post code or a wrongly registered County Court Judgment which could lead to your credit application being rejected. You should obtain your credit reports as early as possible in the process to check for errors and also whether you’re correctly showing on the electoral roll. You can run a free report at or carry out a free check with a 30 day trial at and

Credit agencies compile credit histories from a number of sources, including the electoral roll, County Court Judgments and how effectively past debts have been paid. Every time you open a new form of credit it will leave an electronic footprint on your record. The decision to turn borrowers down for credit isn't made by Experian or Equifax but by the lenders, based on their own criteria. Although you may find the lender simply tries to tell you that you need to speak to the credit agency. 

Your home may be repossessed if you do not keep up repayments on your mortgage. You may have to pay an early repayment charge to your existing lender if you remortgage.