Fountain pen ready to sign

Head to head

Caveat loan vs second mortgage: choosing the right security behind your bank

Caveat loan vs second mortgage for business: why one funds in days and the other runs longer for less, how lapsing and title control differ, and which to pick.

Updated 25 October 2026 · Reviewed by the Australian Business Loan Directory editorial team

See if you qualify →60 seconds · no credit check to enquire

Quick answer

A caveat loan secures the lender by lodging a caveat on your property title, which is quick and suits short business needs of a few weeks to about a year. A second mortgage is registered on the title behind your first lender, takes longer to set up and may need that lender's cooperation, but usually costs fewer dollars per month and suits larger amounts held for longer.

Key points

  • Both lend against equity behind an existing mortgage; the form of security is what differs
  • A caveat is a warning on the title, while a second mortgage is a registered interest with a statutory power of sale
  • Caveat lenders usually ask for the owner's signed consent so the caveat doesn't lapse under state rules
  • Second mortgages can need cooperation from the first lender, which controls the electronic title in some states
  • A common pattern is a caveat loan for the emergency, refinanced into a second mortgage or first mortgage later
Caveat loan term
Weeks to about 12 months
Second mortgage term
Months to several years
Amounts (property-secured)
$20k to $5m
Caveat setup
Often within a day or two

Picture a builder with $180k owing to the ATO, a payment arrangement that’s just been cancelled, and a house worth far more than the home loan on it. Two private lenders call back. One can fund on Thursday using a caveat. The other offers a registered second mortgage over three years at a noticeably lower monthly cost, but needs two to three weeks and a nod from the builder’s bank. Both are reasonable offers. Which one is right comes down to time, and to how long the money will be needed.

What do the two structures have in common?

Each one lends against the equity sitting behind an existing first mortgage. Each is used mainly by business owners the bank can’t help quickly enough, or at all. Each is sized on spare equity (valuation less existing debt), plus a believable plan for repayment. Each is for a business purpose.

The difference is the legal form of the lender’s protection, and almost everything else follows from that.

Side-by-side comparison

Point of difference Caveat-backed Registered second
How the lender is protected A caveat lodged on the title, backed by a signed loan agreement and charge A mortgage registered on the title, ranking behind the first
Time to fund Often a day or two once documents are signed Usually one to three weeks
Typical term A few weeks to about 12 months Several months to several years
Cost per month Higher Lower
First lender involvement Often not needed for the caveat itself More often needed, depending on the state and the mortgage contract
Paperwork Lighter; valuation can be desktop-based Fuller; formal valuation and registration
Best for Urgent, short, clearly defined needs Planned borrowing held for longer

A registered mortgage is a recorded interest in the land under the Torrens system. Ranking is set by the time of registration, and the mortgagee gets the statutory remedies that come with registration, including a power of sale after a default and the required notices. That certainty is a big part of why a second mortgage lender can afford to lend for longer and charge less each month.

A caveat is different. It’s a notice on the register warning anyone dealing with the land that the caveator claims an interest. It blocks most new dealings until that claim is dealt with, but it doesn’t create the interest itself. The real rights come from the documents you sign, typically a loan agreement with an unregistered mortgage or charge. If things go wrong, the lender’s path to recovery runs through those documents and, sometimes, the courts. Lenders price that extra friction into the cost and keep the term short.

Our glossary entry on the caveat explains how the notice works on the title.

Caveats can be challenged and removed. In New South Wales, a registered owner (or someone lodging a dealing) can ask the registry to prepare a lapsing notice; once it’s served, the caveator has 21 days to get the Supreme Court to extend the caveat or it falls away. Queensland works differently: a caveat normally drops off the title three months from lodgement if no court action has begun, though a caveat the registered owner agreed to is outside that rule.

That’s why caveat lenders almost always ask you to sign a consent to the caveat as part of the loan documents. It’s routine, and it’s in your interest too: a properly consented caveat is less likely to cause a dispute later. Each state has its own process, so the lender’s solicitor will use the one that applies to your title.

Will the first lender need to agree?

This is where second mortgages slow down. Whether consent is legally needed depends on two things:

  • Your first mortgage contract. Many loan contracts say that granting further security without the lender’s approval is a default. Read yours, or ask your solicitor to.
  • How your state handles electronic titles. In Victoria, the first lender is typically recorded as the party controlling the electronic certificate of title, so the second lender has to work with it to get the mortgage registered. New South Wales abolished control of the right to deal in October 2021, which removed that particular step there, though the contract point still applies.

Caveat lenders usually don’t need the first lender to sign anything to lodge the caveat, which is a big reason they can move within a day or two. The contract point still matters, so check it either way.

Already know your figures? Send them through in a minute and we’ll say which structure your title and deadline suggest. Asking doesn’t register on your credit history.

How do the costs stack up?

Neither structure is cheap compared with a bank, and we don’t publish rates for either. What changes the outcome is how long you hold the money.

  • Caveat loans carry a higher monthly cost, an establishment fee, legal fees and caveat lodgement and withdrawal costs. Interest is often prepaid or capitalised. Held for two or three months against a known payout, the total in dollars can be quite contained.
  • Second mortgages carry a lower monthly cost but usually higher upfront legal and valuation costs, plus mortgage registration and later discharge. Spread across a year or more, they normally cost fewer dollars overall.

The expensive mistake is a caveat loan held for twelve or eighteen months through repeated extensions, each with its own fee. If your plan has slipped from “a few weeks” to “maybe next year”, it’s usually time to refinance into a second mortgage. Model both with the caveat loan calculator and the second mortgage calculator, then line up the totals in the loan cost comparison calculator.

When the caveat loan is the better choice

  • There’s a hard deadline in days. A settlement about to fall over, a garnishee from the ATO, payroll on Friday.
  • You can see the repayment date from here. A property sale exchanging next month, a large invoice due, a refinance already in progress.
  • Your first lender is slow or unlikely to cooperate. Lodging a caveat often avoids waiting on it.
  • You’re borrowing a small slice of the available equity. Lenders get comfortable quickly when there’s a generous buffer.

When the second mortgage is the better choice

  • The funds will be out for twelve months or longer. Buying into a business, funding a fit-out, clearing a tax debt over time.
  • The amount is large. Lenders are more willing to stretch on amount and term when their interest is registered.
  • You want to keep a good first mortgage. Registering behind your bank means the home loan, its pricing and any offset stay exactly as they are. If swapping out the first loan is under consideration, read how first-ranking and second-ranking business loans compare.
  • Monthly cash flow matters more than speed. A lower monthly cost over a longer term is easier to carry.

A sequence many owners use

The two aren’t rivals as often as they seem. A typical path: a caveat loan solves the immediate problem this week, then over the following month or two the business arranges a registered second mortgage business loan, a bridging loan or a bank refinance that repays the caveat lender. If you go this route, ask the caveat lender upfront about minimum interest periods and early repayment costs, because they decide how cheap the handover is.

Decision checklist

  1. When exactly do the funds need to land?
  2. How long, realistically, until the loan can be repaid?
  3. What does your first mortgage contract say about further security?
  4. Which state is the property in, and who controls the title?
  5. Is the combined loan-to-value ratio comfortable? Check it with the LVR calculator.
  6. What’s the all-in dollar cost of each option over your realistic term, including extensions?

Let’s work out which security fits your property

Caveat versus second mortgage is a question we’re asked about daily, and the right answer depends on your title, your deadline and your exit. Tell us those three things and we’ll do the sorting. The form is roughly a minute’s work, and asking puts no enquiry on your credit report. One team keeps your file rather than broadcasting it to every lender in the country, and someone with lending experience reads it before ringing you. Spell out the property, what’s owing on it and your deadline as exactly as you can, so the first structure we suggest is one that actually works.

Ask which structure suits your property →

Frequently asked questions

Which is faster, a caveat loan or a second mortgage?

A caveat loan, usually. The caveat can be lodged electronically once documents are signed, so funding within a day or two is common. A second mortgage involves registration and sometimes the first lender's cooperation, which can add days or a couple of weeks.

Which costs less?

For the same amount, a second mortgage normally costs fewer dollars per month because the lender holds a registered, enforceable interest and lends for longer. A caveat loan can still cost less in total if you only need the money for a few weeks.

Do I need my bank's permission for either?

Check your first mortgage contract. Many home and business loans treat further security without consent as a default event. Caveat loans often proceed without involving the first lender, while second mortgages more often need its cooperation, especially in states where it controls the electronic title.

Can a caveat loan be turned into a second mortgage later?

Yes. Refinancing a caveat loan into a registered second mortgage or a new first mortgage once there's time is a common exit. Plan for it from day one and ask what fees apply to repay the caveat loan early.

What happens if I can't repay a caveat loan on time?

Talk to the lender before the due date. Many will extend for a fee, or you can refinance. Because a caveat alone doesn't give a power of sale, lenders rely on the signed loan and charge documents, so enforcement terms in those papers matter. Read them carefully.

Can I use commercial property for either?

Yes. Residential, commercial, industrial and some rural property can secure both. Lenders typically allow a lower loan-to-value ratio on commercial and specialised property than on a standard house.

See what your business could qualify for

One short enquiry, no credit check when you first enquire, and a real person who calls you back with options that fit.

No credit check to enquire

Not sprayed to fifty lenders

A real person reads it