Bad Credit is another way of describing a negative credit score. A credit score can be either good or bad and is used by lenders to determine whether you are likely to be able to keep up the payments on something like a mortgage.
Your credit score is calculated using a mathematical formula and information from banks or lenders from who you have had a loan of some sort. The formulae and reports consider your bill-paying (credit) history and compare it alongside the credit history of millions of other people. The resulting figure is used as a risk assessment by potential lenders. This in turn can have either a negative or positive effect on your future borrowing.
A good credit score will typically be given when someone has borrowed money, but made all the payments back and on time, without any defaults. This person will be looked at as a potentially desirable customer as there is little risk involved in their paying back the loaned money. Applications for loans, or remortgage and mortgage applications, should be approved relatively quickly and a good rate of interest offered.
A bad credit score will typically be given to someone who has been unable to make...