Joint mortgages

A joint mortgage is a mortgage that two or more people can take out together to buy a property. They will then own the property together and share the responsibility for monthly mortgage payments.

Typically, they are taken out between spouses or partners. However, having a joint mortgage with a family member or friend is possible. Most joint mortgages are between two people, but some lenders allow up to four people to take a mortgage together.

How do joint mortgages work?

They work the same way as a regular residential mortgage. The mortgage application process is broadly the same, but all applicants must provide evidence of their income and undergo a credit check.

Even if one applicant earns more than the other or provides the majority of the deposit, the responsibility for repaying the loan is shared 50/50.

However, you can set up a joint mortgage and the joint ownership of a property in two ways: Joint tenants and tenants in common.

Joint tenants

This option means that each applicant owns an equal share of the property and is responsible for half the mortgage. For example, as joint tenants, each applicant would own 50% of the property if there were two owners or 25% each if there were four owners. It also means that:

  • If one owner of the property dies, their share automatically passes on to the other owner or owners

  • When you sell the property, profits from the sale will be split equally between the owners

  • If you remortgage, you will need to move to another joint mortgage

Joint tenancy is what most couples, especially married couples, choose when taking out a joint mortgage.

Tenants in common

If you choose to borrow on a tenants-in-common basis, each owner can own a different share of the property. This is usually based on how much each has contributed to the deposit or pays towards the monthly repayments.

In this case, if one of the tenants dies, their share of the property will form part of their estate. If they want their share to pass to the other owners, they must make this clear in their will. 

You can choose how much each tenant owns yourself. For example, if one tenant provided all of a £50,000 deposit on a house that cost £250,000, you could reflect this contribution by agreeing to a 60:40 split in their favour.

How much can I borrow with a joint mortgage?

You can usually borrow more with a joint mortgage because you can combine your incomes. 

Most lenders allow you to borrow around 4 or 4.5 times your joint income, so if both applicants earn £30,000 a year, they could borrow between £240,000 and £270,000.

The exact amount you'll be able to borrow will depend on your affordability and things like:

  • All applicant's credit records

  • Your outgoings and debt

  • The size of the deposit you're contributing to your purchase

Use a joint mortgage calculator to understand what you can borrow.

What is a joint borrower sole proprietor mortgage?

A joint borrower sole proprietor mortgage (JBSP) is a mortgage entered into with another person, usually a parent or close family member. Only you own the property, but they share the responsibility for the mortgage repayments.

This is typically used by parents who want to help their children buy their first home without taking full ownership of the property. If you cannot make the mortgage payments, the other mortgage holders will be liable for covering them.

The mortgage holders who do not own the property will not appear on the title deeds and, therefore, have no legal claim to the property or any increase in its value.

Once the initial mortgage deal ends, you can switch to a mortgage in your sole name if you can afford it. 

JBSP mortgages are similar to guarantor mortgages, where a family member agrees to cover the mortgage payments if you cannot. In this case, they provide their property or another asset as security against the mortgage.

What are my joint mortgage separation rights?

If you have a joint mortgage and you and your ex-partner separate, many options are available.

You could sell the property and split the money, buy your partner out or pay off the mortgage.

If you plan to sell the home, you and your partner must give written approval before putting it on the market.

Both partners on a joint mortgage need to keep paying the mortgage until a formal agreement is in place. If you do not pay on time, your credit score and your partner's will be affected.

If your partner stops paying, tell your lender and get legal advice. Your lender may be able to offer a payment holiday if you’re struggling with mortgage liability.

Read our complete guide on joint mortgage separation rights here.

If you agree that you will continue living in the home, you could buy your partner out of their share. This is common if you plan to stay in the family home with children. 

You can then remove your partner’s name from the mortgage and put the mortgage in your name.

The amount you will need to pay depends on what you agree with your partner or through a solicitor. 

If you decide to split the value in half, then you would work out how much you’ve paid off and divide this in two. You’d give your partner that amount plus what they put down as a deposit.

So if you’ve paid off £50,000 together and your partner put down a £10,000 deposit, you would give your partner £35,000.

You could remortgage to get the money to buy out your partner.

Selling the home is one of the easiest ways of coming to a fair agreement. When you sell, you’ll either pay off the rest of the mortgage or sell and split the rest of the money.

If the amount you owe is more than the value of your home, you may have to split the debt between you.

You could keep your home and transfer part of its value to your partner. 

This means you’d own the home, but your partner would get a percentage of the property’s value if you later sell it.

If you’ve almost paid off your mortgage, you and your partner may decide to keep paying until it’s paid off. 

You could then split the money when you sell the home.

If you separate from your partner:

  • try to agree on what you and your partner plan to do with your home

  • tell your lender your situation, especially if you’re planning to buy out your partner

  • continue making your usual mortgage repayments

Joint mortgage pros

Borrow more

Boost your borrowing power, enabling you to buy a more expensive property

Larger deposit

Combining your savings means you can put down a larger deposit to access better mortgage rates

Shared liability

Sharing the liability of the repayments can reduce the risk of falling behind and going into arrears

Joint mortgage cons

Credit score

If one applicant has a poor credit score, it can mean your application is rejected and damage the other applicant’s score

Shared liability

Sharing liability also means that if the other applicants stop contributing to the repayments, you will be liable to cover them on your own

Hard to split

They can be complicated to separate if one of the owners wants to sell their share of the property

Our expert says...

“More than half of first-time buyer mortgages are now joint applications, which isn’t surprising as they allow you to borrow more in a competitive housing market.

Before you take out a joint mortgage, it’s important to understand how they work and the pros and cons. Our expert advisors can help talk you through your options and help you find the right joint mortgage.”

Jon Bone \ CeMAP-qualified

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Is it a good idea to get a joint mortgage?

If you're married or in a long-term relationship, getting a joint mortgage will seem like the logical thing to do. It will allow you to borrow more and ultimately buy a more expensive home.

However, you should know the downsides of having a joint mortgage. Here are some of the pros and cons of joint mortgages.

Learn more about joint mortgages

Joint mortgages FAQs

Traditionally, a joint mortgage is for two people; however, most lenders will allow more. Getting a mortgage for three or four people is possible, but this is the maximum most lenders will allow.

Each person in a joint mortgage has a legal claim to property ownership.

If you have a joint tenancy, each buyer will have an equal share of the property, so if two people are on the mortgage, the share would be 50/50.

If you have taken the mortgage out on a tenants-in-common basis, the ownership may not be equal, depending on how you have agreed to split the property. For example, one tenant may own 25%, and the other owns 75%.

One person can afford to cover all the payments on a joint mortgage. Mortgage lenders don't mind where the money comes from, provided the monthly repayments are made on time.

Both parties must provide affordability evidence when they apply for a joint mortgage. However, they will look at the combined income, so each applicant doesn't need to be able to cover the payments individually.

If one of the holders wants to leave the mortgage, for example, if a relationship breaks down, it is possible to get out of it.

One option is to buy the other person out so the property can be transferred into just one name. However, this is likely to be expensive, and they will also need to be able to pay monthly payments on their own.

Alternatively, you could agree to sell the property and split the sale proceeds between you. It may also be possible to keep the property but rent it out, sharing any rental income between you.

If you decide to rent the property out, check this with your lender first. Most residential mortgages do not allow you to rent the property out, and you may need to remortgage to a buy-to-let product first.

Your credit report will record any new borrowing you apply for and take out. A joint mortgage can positively impact your credit score if you keep up with the repayments.

Taking out a joint mortgage also means entering into a financial relationship with the other applicants. Their financial actions could affect your rating, as your credit report can become linked to them.

For this reason, it's best to only take out a mortgage with somebody you trust and who has a good credit record.

Most lenders don't stipulate that you must be in a relationship or related to take a mortgage together, provided both applicants meet the eligibility criteria.

Each applicant must provide evidence of income and successfully pass a credit check. They will also have to meet other requirements, such as being below the lender's maximum age limit, which can be anything from 65 to 90.

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