UK Mortgage Affordability Calculator (4.5x Salary)
Calculate borrowing power in the UK based on the 4.5x income multiplier.
Your Finances
Max Home Price
Based on a monthly budget of £1,238
Max Rent Budget
Based on 30% of gross income rule.
Car Affordability
Using the 20/4/10 rule (Conservative).
Debt-to-Income Health
33.0% RatioCanada and Australia figures use regulator rules verified as of August 2026 (OSFI stress test floor; APRA serviceability buffer). These change periodically — confirm current rates with a licensed lender before making a decision.
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Financial Analysis
In the UK, lenders typically cap borrowing at 4.5x your annual gross income. This calculator adjusts for UK-specific lending rules.
Compare Other Income Levels
Common Questions
How much house can I afford with £45,000 income?
With a 45,000 annual income, lenders typically qualify you for a home price between £157,500 and £202,500, assuming you have low existing debt.
How does UK mortgage affordability work?
UK lenders typically cap borrowing at around 4.5 times your annual gross income, rather than using a US-style debt-to-income percentage.
Does this calculator include property taxes?
Yes, our affordability engine automatically estimates property taxes and insurance to give you a realistic 'PITI' budget, not just a raw loan amount.
Estimates last reviewed June 2026. Not financial advice — consult a lender for a formal pre-approval.