UK Financial Calculators for Mortgages, Loans and Buy to Let
Use these SEO-ready UK calculators to estimate affordability, monthly payments, loan costs, buy to let income and rental stress test results. Every calculator includes both repayment and interest-only options, clear field explanations, and practical guidance written for UK users.
Mortgage Affordability Calculator
Estimate a borrowing range using both an income multiple and a payment-based affordability test. The calculator returns the lower of the two to provide a more cautious result.
How this mortgage affordability calculator works
This UK mortgage affordability calculator is designed for home movers, first-time buyers and remortgage applicants who want a quick estimate before speaking to a broker. It uses two methods: an income multiple and a payment affordability model. Using the lower of the two can give a more realistic starting point for comparing borrowing power, deposit size and likely monthly costs.
Field explanations
Car Loan Calculator
Work out monthly repayments, total repayable amount and total interest for a UK car loan.
About this UK car loan calculator
This calculator helps drivers compare the cost of borrowing for a car purchase. It is useful whether you are replacing a vehicle, funding a first car or comparing a bank loan with dealer finance. The repayment option clears capital over time, while the interest-only option shows the cost of borrowing when capital is not being repaid through the monthly instalment.
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Personal Loan Calculator
Estimate the monthly cost of an unsecured personal loan for home improvements, debt consolidation or other major spending.
About this personal loan calculator
A personal loan calculator is useful for comparing short to medium-term borrowing before applying. You can use it to estimate affordability, budget for repayments and compare whether a shorter term with higher monthly payments could reduce overall interest. It also includes an overpayment field so users can model a more aggressive repayment plan.
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Homeowner / Secured Loan Calculator
Estimate monthly costs for a secured loan, review loan-to-value bands and see a simple tax treatment note based on the purpose of the borrowing.
How the secured loan calculator is intended to be used
A homeowner or secured loan is often used for large home improvements, debt consolidation or other major costs where the borrower wants longer terms than an unsecured loan may offer. Because the borrowing is secured against a property, lenders will usually pay close attention to equity and loan-to-value. This calculator therefore highlights LTV thresholds alongside monthly payments and a general tax note.
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Buy to Let Income Calculator
Estimate annual rental income, mortgage cost, yield and a simplified tax impact for a UK buy to let property.
About this buy to let income calculator
This calculator helps landlords and prospective investors estimate whether a property may generate enough rental income after costs. It shows gross yield, net yield before tax, mortgage payments and a simplified after-tax cash flow position. It is intended as a planning tool rather than an exact tax computation.
Field explanations
Buy to Let Affordability Calculator
Check how much a buy to let lender may allow based on rent, stress rate, interest coverage ratio and loan-to-value, with a simplified tax and cash flow view.
How this buy to let affordability calculator helps
Buy to let affordability in the UK is commonly linked to rental cover, stress testing and loan-to-value. This calculator lets users compare the loan they need with the maximum loan supported by the expected rent under the chosen stress assumptions. It also estimates real-world product payments and a simplified tax-adjusted cash flow position so users can compare lender-style affordability with likely profitability.
