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Mortgage Affordability Calculator
Free mortgage affordability calculator. Enter your income (sole or joint), deposit, and existing debt payments to see your maximum borrowing range, maximum property price, estimated monthly payment, and affordability rating. Covers UK income multiples and US 28/36 debt-to-income rules.
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Frequently Asked Questions
How many times my salary can I borrow for a mortgage?
Most UK lenders offer between 4 and 4.5 times your gross annual income. Some specialist lenders offer up to 5 or 5.5 times for certain professions (doctors, lawyers, accountants). For a joint application, lenders typically use a combined income multiple. Factors that can reduce your maximum include outstanding debts, childcare costs, and credit card limits.
What is the 28/36 rule for mortgages?
The 28/36 rule is a US mortgage affordability guideline. The 28% rule states that housing costs (principal, interest, taxes, and insurance) should not exceed 28% of gross monthly income. The 36% rule states that total debt payments (housing plus all other debts) should not exceed 36% of gross monthly income. Some lenders allow higher ratios — FHA loans may go up to 43% total DTI.
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