UK mortgage & remortgage calculator

Just starting your search? Use our mortgage calculator to find out how much you could borrow.

Habito is the largest, most-trusted online mortgage broker in the UK

We’ve helped over 180,000 people on the way to financing their home. Our powerful algorithm sorts through 20,000 mortgages from more than 90 lenders to find the perfect one for you. We combine this with top-tier mortgage expertise to deliver the most personalised, fast and convenient way to get a mortgage today.

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What's next?

See what you're eligible for
Want a more personalised estimate? Just create an account and in 15 minutes we’ll show you what your mortgage could really look like.
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Talk to a mortgage advisor
We’ll match you with an advisor who’ll give you tailored advice, help you kick-start your application, and answer any questions you’ve got.
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No need for meetings, appointments, long phone calls or paperwork. We’ll handle your application and update you every step of the way.

How this mortgage calculator works

  • The maximum amount you could borrow based on your income alone.
  • The maximum property value you could afford. We take the amount you could borrow, and add your deposit. Be aware that this is limited by your deposit – because you need a deposit of at least 5% (more on that below).

The single biggest factor affecting how much you can borrow isn’t your deposit – it’s your income.

Lenders usually want a minimum 5% deposit. After that, your deposit won’t affect how much you can borrow, but it does open up cheaper interest rates for you.


That might be something to do with your deposit. Lenders will typically only lend you up to 95% of your property’s value, and ask you for a 5% deposit.

That means you’ll only be able to afford a property 20 times the value of the deposit you have. (That’s the maths we do to figure out your maximum property value from the deposit you’ve entered.)

Try increasing the deposit you’ve added in the calculator and see what happens to the numbers.


The single biggest factor affecting how much you can borrow is your income.

You usually need a minimum deposit of 5%, but after that a bigger deposit won’t affect the amount you can borrow (though it can get you deals with better interest rates).

By ‘income’ we don’t just mean your salary, we mean every type of income you get over the year, added together: your salary, bonuses, overtime, investments, company net profit, rental income from other properties, everything.

If that changes year on year, a rough average from over the last 2 years is OK, if you just want a rough check of how much you can borrow.

Remember that what mortgage you can afford isn't just about how much lenders will lend you. Think about the other expenses of running a home, and any big plans that could affect your ability to repay your mortgage (like having kids or a wedding) to make sure you’re borrowing responsibly.


Still house hunting?

The next step is to get a mortgage in principle – a certificate showing how much you can borrow – to show estate agents you’re a serious buyer.

Create an account to get a mortgage in principle for free with Habito.

Or read more about mortgages in principle in our jargon-free guide.