Your home is in joint names, but the business is yours

This is one of the most personal situations we deal with. One partner runs the business. The other has their own job, their own career, maybe runs the household. The home is owned by both. And the business now needs a loan that the home could secure.

On paper, it’s a question of property law. In real life, it’s a conversation between two people about risk, trust and the family’s future.

Why does every owner have to sign?

A lender taking a mortgage over a property needs the agreement of everyone who owns it. If your home is in joint names, both of you must sign — there’s no practical way to mortgage “just your half” of a family home.

That means your partner will be asked to sign documents that give a lender rights over the home, for a loan that funds a business they may not run.

What is the non-business partner agreeing to?

Their exact role depends on how the loan is structured, but commonly:

Role	What it means
Mortgagor	Gives the lender a mortgage over their share of the home
Guarantor	Promises to pay the business debt if the business doesn’t
Co-borrower	Shares direct responsibility for the loan (less common where they’re outside the business)

In each case, their share of the home is at risk if the loan isn’t repaid. That’s a big ask, and it deserves to be treated as one.

Why is independent legal advice so common?

Many lenders require the partner who isn’t in the business to get independent legal advice before signing. It’s there to protect everyone:

• the non-business partner gets a private chance to understand the risk and ask questions
• the lender has confidence the documents will stand up
• the relationship is protected from later feelings of “I didn’t know what I was signing”

Even if a lender doesn’t insist, we’d strongly encourage it.

How should you make the decision together?

A few conversations make all the difference:

1. The purpose. What exactly the money will do for the business.
2. The amount. The smallest sensible figure, with a buffer.
3. The exit. How and when the loan will be repaid.
4. The worst case. What happens if the business struggles — and how long the household could cope.
5. The limits. Is there a point where you’d stop, sell an asset or change course?
6. The alternatives. Could an unsecured business option work instead?

Our guide on money rules for couples in business has more on having these conversations kindly and honestly. When you’re both ready, one quick enquiry starts the process — either of you can fill it in.

Can the risk be limited for the non-business partner?

Sometimes. Options worth discussing with the lender and your lawyers:

• A limited guarantee, capping the non-business partner’s liability.
• Using a different property that only the business owner owns — see investment property as security.
• A smaller loan that relies less on the home.
• A clear exit timeline, so the security is released sooner.

Not every lender agrees to every request, but a specialist who knows the market can point you to lenders that are more flexible.

Illustrative example: A self-employed electrician owns his home jointly with his wife, who works as a teacher and has no role in the business. He needs $180,000 for a commercial van fleet upgrade. She agrees to sign after getting independent legal advice, on the condition that the loan is sized to the quote, repaid over three years from the business, and reviewed every six months. They also agree on a back-up plan: selling two older vans if things go slower than expected.

What if the relationship changes later?

A loan doesn’t end because a relationship does. Both owners remain bound by what they signed until the loan is repaid or the lender agrees to release someone — often through a refinance. If separation is ever on the horizon, get legal advice early. Our guide on releasing a personal guarantee explains how releases generally work.

What should the non-business partner ask?

If you’re the partner outside the business, these are fair questions to ask before signing anything:

• How much is being borrowed, and what exactly is it for?
• What does the business earn, and what would repayments look like in a slow month?
• Is my role as a mortgagor, a guarantor or a borrower?
• Is my liability limited in any way?
• What’s the exit plan, and when will the security over our home be released?
• What happens to the loan if we separate or one of us can’t work?

None of these questions signals a lack of trust. They’re the same questions a careful lender asks, and a business owner who has thought the plan through will welcome them. Asking them together, before a lender is involved, often leads to a better loan: smaller, clearer and with a firmer exit.

Does the non-business partner’s credit matter?

It can. If they sign as a guarantor or co-borrower, the lender may check their credit file, once you’ve chosen to proceed. If they sign only a mortgage, the focus is more on the property. Moneysmart notes you can get your credit report free every three months, so it’s easy for both of you to check before you start.

Make the decision as a team — with a real person helping

Using a jointly owned home is a decision for both of you, and it should never feel rushed. The enquiry takes about 60 seconds and there’s no credit check. It goes to one specialist rather than being sprayed across lenders, and they’ll call to talk through who owns what and what each person is comfortable with. Please answer accurately — especially who is on the title — so we can bring you the right option first time.

Start the conversation together →