Second mortgage bridging: using equity without touching your bank loan

Plenty of businesses sit on real equity they can’t easily reach. The premises or the family home carry a bank loan well below their value, and the bank is happy with that loan exactly as it is. What the bank isn’t keen on is a quick increase for a short-term purpose, a new valuation and credit process, or lending against an exit it doesn’t normally deal with.

A second mortgage bridge leaves that first loan alone. It takes a second-ranking position behind it, uses the equity that’s already there, and is repaid when the exit arrives.

How does a second mortgage bridge work?

The property has two mortgages registered on the title:

1. The first mortgage, usually your bank, which ranks first. If the property is sold, it’s paid out first.
2. The second mortgage, the bridging lender, which ranks behind it and is paid from what’s left.

Because the bridge ranks second, the lender looks at combined debt: the first mortgage balance plus the new bridge, compared with the property’s value. That combined figure is effectively your peak debt on that property. The peak debt and end debt page explains how to calculate it, and the bridging calculator does it for you.

When does a second mortgage bridge make sense?

• Your bank loan has good terms you want to keep, and refinancing would mean losing them or starting a long process.
• The gap is short and the exit is clear: a delayed settlement, a refinance in progress, an R&D refund or an insurance claim.
• Speed matters more than restructuring. Registering a second mortgage can be simpler than reworking the first.
• Your bank won’t lend for the purpose, such as paying an ATO debt or bridging an unusual exit.

It makes less sense when the gap is long, the equity is thin, or the exit is uncertain. In those cases, a full refinance or a different structure may suit better.

What will the lender check?

• Value of the property, often by a formal valuation.
• The first mortgage: balance, lender, arrears, and any restrictions on further borrowing.
• Combined debt against value. The more headroom, the better.
• The exit: what repays the second mortgage and when.
• Purpose: business purposes only, even where the security is residential.

Some first mortgages contain terms requiring the bank’s consent before a second mortgage is registered, or treat additional security as a default. It’s worth having your lawyer check your loan documents early; it’s a common source of delay.

If you know your property’s rough value and your bank balance, you can ask whether a second mortgage bridge fits in about a minute.

Second mortgage or caveat?

Both sit behind an existing first mortgage, and both are used for short bridges. The difference is in the legal form and how the lender’s interest is protected.

	Second mortgage	Caveat bridge
What’s registered	A mortgage, behind the first	A caveat noting the lender’s interest
Usual use	Short-to-medium gaps	Very short, smaller gaps
Documentation	Mortgage documents and registration	Loan agreement plus caveat lodgement
First lender involvement	May need consent	May still need consideration of the first loan terms

Our page on caveat bridging loans explains that option in detail.

An illustrative example

An electrical contractor owns a home in Perth worth about $1.4m with a $520k bank loan on good terms. The business has won a large fit-out contract and needs $260k for materials and wages before the first progress claim is paid, eight weeks after work starts.

A second mortgage bridge of $260k behind the bank loan takes combined debt to $780k, about 56% of the home’s value. The first two progress claims are the exit. The contractor takes a six-month term, because progress claims on commercial projects can be disputed or paid late. The bank loan is untouched throughout. (Illustrative scenario.)

What about using the family home?

Residential property can secure a business-purpose bridge, and for many owners it’s their largest source of equity. It’s a significant decision that deserves a clear-eyed look at the exit. Read using your home to secure a business bridge before deciding. Where family members are guarantors, Moneysmart’s guidance on going guarantor is worth reading too.

What happens if the property is sold during the bridge?

If the property carrying both mortgages is sold, the proceeds at settlement pay out the first mortgage, then the second mortgage bridge, then any remaining balance goes to you. Your conveyancer arranges discharges from both lenders.

That makes a second mortgage bridge a natural fit where the property itself is the exit, for example where you’re releasing cash from a property you’re about to sell. Where the exit is something else, like a refund or refinance, the second mortgage is simply discharged when that exit repays it, and the first mortgage carries on as before.

Either way, confirm early how long each lender needs to provide discharge figures and documents, so settlement isn’t held up.

Use the equity you have, keep the loan you like

If your first mortgage is working well and the gap is short, a second mortgage bridge can be the neatest solution. Tell us the property value, the first mortgage balance, what you need and what repays it. It takes 60 seconds, there’s no credit check when you first enquire, and your details aren’t shopped around. A specialist reads your enquiry and calls you personally.

Please be accurate about your first mortgage balance and lender. It’s the detail that shapes a second mortgage structure most.

Check a second mortgage bridge →