Quick answer
A $100k secured business loan is a short-term private loan backed by a caveat or registered second mortgage over property, often sitting behind an existing bank loan. Business owners use it for ATO debts and director penalty notices, Payday Super catch-ups, equipment deposits and seasonal stock. Same-day funding is possible at this size once documents are in, interest can be prepaid or capitalised, and there's no formal valuation required.
Key points
- Caveat for a few weeks, registered second mortgage when the term runs longer
- Same-day funding possible once documents are in
- Clears ATO debts before they reach the credit-reporting threshold
- Interest can be capitalised, so the business keeps its cash flow
- Amount
- $100k (loans from $20k to $5m)
- Structures
- Caveat or second mortgage
- Speed
- Same day possible
- Credit check to enquire
- None
$100k is the point where a business problem stops being a nuisance and starts being serious. It’s a tax debt big enough to be reported to credit bureaus, a director penalty notice with your name on it, or a growth opportunity you can’t fund from the account. It’s also a size most banks still treat slowly and most private lenders consider too small.
Secured against property you own, a $100k loan can be arranged in days or less, with interest that doesn’t have to come out of trading cash.
What changes when the loan reaches $100k?
Compared with a smaller loan, a few things shift:
- The structure question gets real. At $50k a caveat is almost always the answer. At $100k, if the term needs to run beyond a few months, a registered second mortgage may suit better.
- Your bank’s terms matter more. Some first mortgages require the bank’s consent before another mortgage is registered, which can affect the timeline.
- The borrower is often a company, with the director’s property as security and a director’s guarantee.
- The exit needs a little more proof. A single invoice may cover $50k; $100k usually rests on a contract, several receivables or a refinance.
What doesn’t change: same-day funding is still possible for a property-secured $100k once documents are in, and there’s still no formal valuation required.
Why is $100k of ATO debt a line worth knowing?
Under the ATO’s disclosure rules, a business with an ABN can have its tax debt passed to credit reporting bureaus where $100,000 or more has been overdue for longer than 90 days and the business isn’t working with the ATO to deal with it, for instance by keeping to a payment plan. Once that’s on the file, other lenders and some suppliers will see it.
| Your ATO position | What it may mean | Where to start |
|---|---|---|
| Under $100k overdue | Below the reporting threshold | Pay ATO debt with property equity |
| $100k+ overdue, under 90 days | Approaching the reporting criteria | Engage with the ATO now and consider clearing it |
| Payment plan defaulted | Full overdue balance payable | ATO payment plan defaulted |
| Director penalty notice | 21 days from posting to act | DPN and property equity |
The ATO debt on your credit file guide covers the reporting rules in detail.
Caveat or registered second mortgage at $100k?
| If… | A caveat loan tends to suit | A registered second mortgage tends to suit |
|---|---|---|
| The term is | A few weeks to a few months | Longer within the short-term range |
| Speed needed | Today or tomorrow | Within days |
| Your bank’s consent | Isn’t available quickly | Is available or not required |
| The property’s state | Has short caveat time limits | Any state |
| Later flexibility | Can convert to a second mortgage | Already registered |
A caveat stops other dealings being registered on the title; NSW Land Registry Services describes it as a statutory injunction. A registered mortgage is a fuller security interest; see registered mortgage. The second mortgage business loans and caveat loans pages explain both in full.
What can $100k fix?
- An ATO debt or director penalty, cleared in one step.
- Payday Super during growth. Super now moves with every pay run rather than quarterly, so a fast-hiring business feels it in its bank balance. See Payday Super and payroll.
- Machinery an equipment financier won’t take. See equipment and machinery.
- Stock ahead of a peak season.
- A contract start-up for a trades or construction business.
How does a $100k secured loan compare?
| $100k caveat or second | Unsecured business loan | ATO payment plan | Overdraft increase | Equipment finance | |
|---|---|---|---|---|---|
| Typical speed | Same day possible | Days | ATO-dependent | Weeks | Days |
| Repayments | Can be none | Frequent | Instalments | Interest monthly | Monthly |
| Security | Property | Usually a director guarantee | None | Bank’s security | The equipment |
| Fits | One-off needs with a clear exit | Small needs, no property | Affordable instalments | Ongoing swings | Standard new equipment |
How does it work?
- Tell us the basics in a one-minute enquiry. Your credit file isn’t touched.
- Agree the structure with a specialist: caveat or second mortgage, and the term.
- Receive the Letter of Offer showing the amount, term, interest handling and assessment fee.
- Sign and verify ID, with your solicitor advising.
- Settle, with funds sent to you or straight to the ATO or supplier.
Who suits a $100k secured loan, and who doesn’t?
Suits: companies and individuals in business with property equity, a defined need and an exit within months, such as receivables, a contract, a refund or a refinance.
Doesn’t suit:
- A business that’s insolvent and can’t recover. See an insolvency adviser first.
- An owner who’d be relying on hope rather than a document to repay.
- A long-term borrowing need, which a bank serves better.
- Any personal or household purpose.
Documents you’ll need
- Photo ID for each owner, director and guarantor.
- ACN or ABN; trust deed if relevant.
- A recent statement for every loan on the property.
- The ATO statement, notice, contract or invoice behind the need.
- Exit evidence: contracts, invoices, refinance letter or accountant’s forecast.
How fast?
At $100k, same-day funding is possible for a property-secured loan once documents are in. If your bank’s consent is needed for a registered second mortgage, allow a little longer, or start with a caveat.
What it costs (without the guesswork)
You won’t find a price list here, and that’s deliberate: two $100k loans can carry very different risk. One behind a modest home loan with a signed contract as the exit is not the same as one squeezed behind a large mortgage with a forecast as the exit. Each is priced on its security, LVR, term and exit, with the goal of the keenest price that file can support.
What you’ll pay, in plain terms:
- Interest for the term, either taken upfront (prepaid) or added to the balance and repaid at the end (capitalised).
- An assessment fee: small, set per loan, printed on the Letter of Offer.
- Legal and registration costs, including your own solicitor.
- A discharge when the caveat or mortgage comes off.
Ranking behind a bank costs more than ranking first. A shorter term is the simplest way to keep the dollars down.
What happens at the end of a $100k loan?
Plan the finish before you start. About a week before the exit money arrives, ask for a payout figure; it will show the principal, any capitalised interest and the discharge costs. When the funds land, whether that’s a progress claim, a refund or a refinance, the loan is repaid, the caveat is withdrawn or the second mortgage discharged, and the title is back to how it was.
If the exit is running late, say so before the due date. With enough equity, a short extension may be possible, or a caveat may be converted to a registered second mortgage to give the term more room.
Illustrative example (net funds): a Perth tiling company owes the ATO $104k, overdue for 70 days, and the director’s investment house is worth about $820k with $410k owing. Illustrative: at a combined LVR of 65%, total borrowing against the house could reach about $533k, which leaves roughly $123k behind the existing loan.
- Loan: $110k caveat loan for 4 months, interest capitalised
- Less assessment fee and legal costs: about $5k
- Paid to the ATO: $104k
- Buffer: about $1k
- Exit: two progress claims on an apartment project, plus a refinance of the investment house if a claim slips The Perth private lender page covers WA title points, and the $50k and $250k pages show how the picture changes either side.
Six figures due soon? Send a 60-second enquiry.
Six-figure need? See if you qualify
Start with what you know: the property, what’s owing on it, the amount, the purpose and how you’ll repay. No credit check is run to enquire, your details stay with one direct lender, and a specialist reads each enquiry and calls back with an honest view, including whether an ATO arrangement might serve you better.
Correct details about the property and existing debt are what get you a firm answer first time. Check whether you qualify.
Frequently asked questions
Our company owes the ATO $112k and it's been overdue for about 80 days. Should we act before day 90?
It's worth acting quickly. Once more than $100,000 has been overdue for over 90 days, and the business isn't working with the ATO on it, the debt can be disclosed to credit reporting bureaus. Clearing it with a short secured loan, or engaging with the ATO, both matter; talk to your accountant today.
I received a director penalty notice for $95k. Can a $100k loan pay it in time?
Often, yes. The ATO allows 21 days from when the notice is posted or left at your ASIC-registered address, and paying in full is one way to have the penalty remitted. Same-day funding is possible at $100k once documents are in, so the timing is usually set by your paperwork.
Is $100k better as a caveat or a second mortgage?
It depends mainly on the term and your bank's mortgage terms. A caveat is quickest and suits a few weeks to a few months; a registered second mortgage suits a longer term or a lender that wants a registered position. A caveat loan can later be converted to a second mortgage.
Does my bank have to agree to a $100k second mortgage behind it?
Some bank mortgages require the bank's consent before another mortgage is registered. Your solicitor can check quickly. Where consent is slow, a caveat loan may be used first.
Can a $100k loan cover Payday Super for a growing team?
It can bridge a period of growth. Under Payday Super, which began on 1 July 2026, employers generally have seven business days after payday for contributions to land in the fund, which pulls cash forward. A short loan helps if receipts are coming; it won't fix a business that can't afford its wages.
I'm a builder and the property I'd use is in my family trust. Can the trust secure a $100k loan?
Yes, if the trust deed lets the trustee give security. The lender needs the deed, any variations and trustee details. Our construction and trades industry page covers builders' situations specifically.
What will I need to repay at the end of a $100k loan?
The $100k plus any capitalised interest and costs set out in the Letter of Offer. If interest was prepaid at the start, the amount due at the end is mainly the principal. Ask for the payout figure a week before your exit settles.
Can I use $100k to buy a second-hand machine my equipment financier won't touch?
Yes, it's a common use. Older, imported or specialised machinery can be hard to finance against itself, but property equity doesn't care what the machine is. Make sure the machine earns enough to support the exit.
Will you check my credit before I know if I'm eligible?
No. There's no credit check when you first enquire. Credit history is looked at later and considered case by case; equity and exit carry the most weight.
My property is in Perth. Is a caveat loan available there?
Yes. Caveats can be lodged on Western Australian titles through Landgate. A specialist will confirm whether a caveat or a registered second mortgage better suits your term and the property.
How long can a $100k loan run?
Second mortgages and caveat loans are typically short-term. If you need longer, 1 to 24 months, refinancing the whole debt into a private first mortgage may suit better.
Is a $100k secured loan cheaper than a $100k unsecured business loan?
Often, when you compare total cost over a short term and include the effect of daily or weekly repayments on cash flow. But a secured loan puts property at risk, so the comparison isn't only about price.
Do I pay for a property report on a $100k loan?
No. There's no formal valuation required: the lender assesses the property itself, so there's no report to order or pay for.