Can I afford a mortgage?

Use our quick and easy-to-use tool to get a clearer idea of your mortgage borrowing potential based on your current financial income.

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How much can I borrow?

Whether you’re a first-time buyer or moving home, our quick and easy to use mortgage affordability calculator gives you a quick estimate of how much you might be able to borrow for your next home.

Mortgage affordability calculator

Just so you know, our affordability calculator is only a guide. We recommend chatting to an expert mortgage adviser at our trusted partner Mortgage Advice Bureau to explore your options and what is right for you.

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Your home may be repossessed if you do not keep up repayments on your mortgage.

Frequently asked questions

How do I use the affordability calculator?

For our calculator to give you a quick calculation on your mortgage affordability let us know:

  • How many applicants are applying for a mortgage.
  • Any guaranteed bonus or overtime income you receive.
  • Your annual income (before tax).
  • Click “Get results” to see what you may be able to borrow.
How is mortgage affordability calculated?

Lots of things influence how much you can get for a mortgage and what a lender is willing to offer you. Here are the main ones:

  • Your income

    This includes your salary, bonuses or other regular earnings. If you’re applying with someone else, both incomes will be considered.
  • Your outgoings

    Lenders look at your regular spending, including rent, bills, childcare, subscriptions, and debts.
  • Existing credit

    If you’ve got loans, credit cards or car finance, that may reduce how much you can borrow.
  • Your credit history

    This shows how well you’ve managed money in the past. A good credit score can help your application.
  • Deposit amount

    The more you can put down upfront, the more likely you are to access better mortgage deals.

If you’re saving for your first home, a Lifetime ISA (LISA) could give your deposit a boost. The government adds a 25% bonus to what you save - up to £1,000 a year.

Find out how a Lifetime ISA works or see how much you could save with our Lifetime ISA calculator.

  • Interest rates

    These affect your monthly repayments. Higher rates might reduce the total amount you can borrow, as your repayments would be more expensive.
Will using this calculator affect my credit score?

No. This calculator provides a quick calculated estimate and does not run a credit check.

How accurate is the mortgage affordability estimate?

This tool gives a rough indication of what you might be able to borrow but should not be considered a mortgage quote. Lenders look at how much you’re spending each month too, so it’s always best to speak to a mortgage adviser for expert advice.

Mortgage repayment calculator

Use our mortgage repayment calculator to see what your monthly payments might look like – for both repayment and interest-only mortgages.

Stamp duty calculator

Stamp Duty a tax you pay when you buy a property over a certain price in the UK. Use our updated Stamp Duty calculator to estimate how much tax you’ll owe.

Deposit calculator

If you've a mortgage in mind, check to see if you already have enough of a deposit to apply now. If not you can work out how soon you could apply, depending on how much you can save each month.