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Joint mortgages

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Joint mortgages explained

A joint mortgage is a home loan where two or more people are legally responsible for the debt. While most commonly used by couples, it’s also a popular path for friends or family members looking to pool their resources to enter the housing market.

How do joint mortgages work?

When you apply for a joint mortgage, the lender evaluates the "financial profile" of the entire group. This typically involves:

  • Combined Income: Lenders look at the total household income, which often increases your borrowing power and allows you to qualify for a more expensive home.
  • Credit Scores: Most lenders will look at the credit reports of all applicants. It’s important to note that one person’s poor credit history can sometimes lead to a higher interest rate or a rejection for the whole group.
  • Shared Liability: This is the "joint" part. You are all jointly and severally liable, meaning if one person stops paying their share, the bank expects the others to cover the full monthly payment.

Joint tenants

Joint tenancy is defined by "equal parts." In this arrangement, all owners must have an equal share of the property and must have acquired the title at the same time through the same deed.

  • Ownership Split: Must be equal (e.g., 50/50 for two people, 33/33/33 for three).
  • The Right of Survivorship: This is the defining feature. If one owner dies, their share automatically passes to the surviving owner(s), regardless of what their will says.
  • Probate: Because the transfer is automatic, the property usually avoids the lengthy and expensive probate court process.
  • Common Use Case: Married couples or long-term partners who want the property to stay with the survivor.

Tenants in common

Tenancy in common offers much more flexibility regarding who owns what and how they pass it on. This is the "default" form of ownership in many jurisdictions if no other type is specified.

  • Ownership Split: Can be unequal. One person could own 75% while the other owns 25%.
  • No Right of Survivorship: If one owner dies, their share does not go to the other owners. Instead, it becomes part of their estate and is distributed according to their will or state law.
  • Transferability: Owners can sell, gift, or mortgage their specific share without the consent of the other tenants (though a "partition action" may be required to force a sale of the whole property).
  • Common Use Case: Business partners, friends buying together, or investors who want their heirs, rather than their co-owners, to inherit their equity.

What our mortgage expert says

"Most buyers realize a joint mortgage boosts borrowing power, but they overlook the 'financial link' it creates. From the moment you sign, your credit files are legally associated. This means if your co-borrower defaults on a completely unrelated credit card years later, it can tank your credit score by association. You aren't just sharing a house; you’re tethering your financial reputation to theirs until the mortgage is fully closed."

Ashlyn Trojnacki - Mortgage expert
Mortgage Expert

How much can you borrow with a joint mortgage?

Lenders usually allow you to borrow around 4.5 times your annual income. If you apply for a mortgage with 1 or more other people, some lenders only consider a maximum of 2 combined incomes while others consider multiple. Every lender calculates joint mortgages slightly differently.

This can be helpful in increasing your budget to allow you to afford a larger or more expensive property.

But remember that you normally still require a deposit worth at least 5% of the property value or price (whichever is lower) to get a mortgage. A 5% deposit would give you a 95% mortgage, but if you can all save more and put down a larger deposit, you normally get access to better rates.

Can you get a joint mortgage paid by 1 person?

Yes, 1 person could pay the repayments on a joint mortgage.

Everyone on the mortgage agreement is responsible for the repayments. But you can decide how to split the repayments between borrowers.

The lender doesn't usually mind who makes the repayments as long as they're paid in full. So if only one of the borrowers is happy to pay the total amount, that's okay.

But if they can't make the payments at any point, you're all responsible for the debt. If the other borrowers can't cover the cost, the property is at risk of repossession and your credit rating could be negatively impacted.

What happens to a joint mortgage if I separate from my partner?

If you break up with your partner and are both on the joint mortgage, you have a few options:

  • Sell the home and repay the mortgage – you can then split any proceeds from the sale
  • One partner buys the other out of the property – they need to be sure they can afford the repayments by themselves
  • You remain on the mortgage together but one of you moves out – whoever stays could consider taking in a lodger to help with mortgage costs. But it's best to speak to a solicitor who can help keep this arrangement fair for both parties.

If you and your partner have children, there are also legal agreements you can have drawn up which state the house can't be sold until a certain point (for example, when the kids have moved out).

Advantages and disadvantages of joint mortgages

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Advantages of joint mortgages:

  • You can borrow more than if you were taking out a mortgage by yourself
  • It may be easier to save a larger deposit as multiple people are contributing
  • If you are unable to make the mortgage payment for any reason (sickness for example), your partner or someone else on the mortgage may be able to cover your share for a time
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Disadvantages of joint mortgages:

  • If someone else can't make their repayments and you can't afford to cover them, this could put the property at risk of repossession and your credit rating could be impacted
  • Depending on the type of ownership you choose, you may have to wait for the other party to agree before selling the property
  • If you take out a mortgage with someone who has poor credit, you may not be able to borrow as much as expected, and you may also face higher interest rates on the mortgage, if they accept your application

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Can you transfer a joint mortgage to 1 person?

It is possible in some circumstances to transfer a joint mortgage to 1 person provided the lender is satisfied that the repayments can still be met. This means whoever is taking the mortgage needs to show their income is enough to cover it. If that isn't the case, there are options such as extending the mortgage term or getting a guarantor to help.

However, generally you're expected to remortgage onto a new deal in your sole name, and repay the old borrowing in the process.

Can you get a joint mortgage with bad credit?

Yes you may, as there are some lenders who specialise in bad credit mortgages although you may have to pay higher interest rates.

Even if someone has a great credit score, but another person doesn't, that still has the ability to impact your success in getting a lender willing to borrow you the money.

Tips & guides on joint mortgages

See all mortgage guides

Learn about different mortgage types

YOU SHOULD THINK CAREFULLY BEFORE SECURING OTHER DEBTS AGAINST YOUR HOME/PROPERTY. YOUR HOME/PROPERTY MAY BE REPOSSESSED IF YOU DO NOT KEEP UP REPAYMENTS ON YOUR MORTGAGE. 

The Financial Conduct Authority does not regulate mortgages for commercial or investment buy-to-let properties. 

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