There is also a three-digit code number assigned to each currency, in the same manner as there is also a three-digit code number assigned to each country as part of ISO 3166. This numeric code is usually the same as the ISO 3166-1 numeric code.
This calculator uses these guidelines for determining how much house you can afford, which are similar to common underwriting criteria that mortgage lenders use. 1  Your total mortgage payment should be no more than 28 percent of your gross monthly income.
Your credit score and debt to income ratio are often used as quick qualifying measures. If you meet these requirements, you may be pre-approved for a loan up to a maximum amount. Your pre-approval will be good for a set period, usually 90 days.You will still be required to produce further documentation before the pre-approval becomes an approval for a loan.nce you have been pre-approved and received a pre-approval letter, then you can start shopping for a home that is not more expensive than the maximum amount for which you were approved. Also, presenting a pre-approval letter to your prospective seller will indicate that you are a serious buyer.