House Affordability Calculator UK

Work out the maximum property value you could afford based on your income, deposit, and financial commitments. Get a quick estimate of how much you might be able to borrow for a mortgage.

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E.g., credit card debt, loans, childcare.

Your estimated affordability:

Maximum property price

£250,000

Your deposit

£25,000

You could borrow up to

£225,000

Estimated monthly payment

£1,208

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How to use this Calculator Site tool

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Enter your annual income, your deposit amount, and any outstanding monthly financial commitments. If you're buying with a partner, add their income for a combined affordability estimate. The  calculator will then show the maximum property price you could likely afford.

Understanding Your Affordability

This House Affordability Calculator from Calculator Site offers a valuable first look at your potential home-buying budget. It employs a standard income multiplier of 4.5 times your gross annual income to estimate the  mortgage amount a lender might offer. This is a widely used benchmark for initial assessments in the UK mortgage industry. The total mortgage amount is combined with your deposit to determine the maximum property price you could realistically consider. Remember, this is an estimate to guide your property search.

£285,000

Avg. UK House Price (2026)

10% - 20%

Typical Deposit Range

4.5x Income

Common Lending Multiplier

Key Factors Influencing Affordability

Beyond your basic income, lenders scrutinise several other factors. Your credit history provides insight into your reliability as a borrower. Existing debts, such as car loans or credit card balances, reduce your disposable income and thus your borrowing capacity. Lenders also assess your employment stability and regular outgoings. To get a more concrete offer, you can seek an 'Agreement in Principle' from a lender, which we cover in our guide to the home buying process.

For Guidance Only

This calculator provides an estimate for informational purposes and does not constitute financial advice. The actual amount you can borrow will depend on a full affordability assessment by a mortgage lender.

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Related Tools and Resources

Property decisions are among the biggest financial commitments you will make. For more detailed mortgage planning, our Mortgage Calculator is an excellent next step. To see how extra payments could affect your loan, use the Mortgage Overpayment Calculator. And for your savings goals, the Compound Interest Calculator can be very insightful. For government-backed schemes that could help, visit GOV.UK home ownership schemes.

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