Mezzanine in the Commercial Property Capital Stack (2026)
Mezzanine finance in the commercial property capital stack, Switchboard Finance
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Mezzanine · Capital Stack · Commercial Property
Mezzanine in the Commercial Property Capital Stack (2026)
Senior debt covers most of the build, but the gap is where the deal lives. Here is how mezzanine fits the commercial property capital stack, with EOFY drawdown timing in mind.
Quick Answer
Mezzanine finance sits between senior debt and sponsor equity in a commercial property capital stack. It ranks behind senior, carries a higher coupon, and fills the gap that stretched senior facilities cannot reach on their own.
When senior debt is not enough
Senior debt covers most of a commercial build, but it rarely covers all of it. The stretched senior tier (illustrative LVR ceilings vary by lender) gets a sponsor closer, yet most deals still leave a gap between the senior limit and what the project needs to fund through to completion or stabilisation.
From the underwriter's seat, that gap is where the deal actually lives. The sponsor either fills it with more equity, which ties up capital that could go to the next site, or layers a separate tranche above senior, which is the role mezzanine has played in the Australian commercial property loan market for years.
Stretched senior and mezzanine are not interchangeable. Stretched senior pushes one facility higher up the same ranking. Mezzanine sits as a second tranche, with its own coupon, its own subordination terms, and its own paperwork. The choice between them is a blended cost of capital question, not a marketing one.
How the cost layers stack up
The two structures look similar from a distance and behave very differently up close. The comparison below sets out where the practical differences sit between a stretched senior facility and a true mezzanine tranche on a commercial property transaction.
The blended cost of capital is what the sponsor actually feels. A stretched senior at a single rate looks cheaper on the page, but if the LVR ceiling stops short of what the project needs, the residual gap has to be filled with sponsor equity at the highest opportunity cost in the stack. A senior plus mezzanine pairing carries a higher headline coupon on the mezz tranche but can deliver a lower blended outcome once the equity displacement is counted.
Most of what determines the right answer is the size and shape of the gap, the sponsor's equity strategy across the next two or three projects, and how comfortable the senior lender is with a mezzanine tranche behind it. None of those are pricing questions in isolation.
Where mezzanine works, and where it stalls
Mezzanine works on a commercial property deal when the project has clear cashflow visibility, a credible exit pathway, and a senior facility the mezz lender can sit comfortably behind. It works less well when the senior position is uncertain, when sponsor equity is light, or when the exit relies on a presale event that has not yet been signed up.
In our experience the cleanest mezzanine deals share a few features. The senior facility is documented or close to it, so the mezz lender knows what they are subordinated to. Sponsor equity is meaningful in dollar terms and stays in the deal until completion. The ICR window (varies by lender) holds across both tranches under reasonable downside assumptions. Where one of those is missing, the mezzanine pricing widens until either the deal works or the sponsor walks away.
The deals that stall tend to share a different pattern. The senior facility is conditional on a presale that has not held. Sponsor equity is being argued as a future contribution rather than cash in. Or the exit pathway leans on a refinance that depends on a stabilised income that the project cannot yet evidence. None of these are mezzanine problems in themselves, but they are problems mezzanine cannot solve. A short bridge using a caveat loan sometimes solves the timing piece, but it does not solve a structural funding gap.
A useful sanity check is to look at the senior plus mezz pairing in the same way the credit committee will. If the senior lender will not consent to a mezz tranche behind it, the mezz lender will not write the tranche. If the mezz lender will not subordinate to the senior on the proposed terms, the senior lender will not extend the facility. Both have to land at the same time. The same underwriting logic shows up across our broader work on the 2026 property lending stack, and on the mezzanine finance for townhouse developers piece from earlier this month.
EOFY drawdown timing and the BAS-pickup window
Pre-30-June drawdown timing (indicative, varies by lender) reshapes the BAS-pickup window for interest expense (typically the BAS lodged after settlement). A mezzanine tranche drawn before 30 June 2026 will have its first quarter of interest sitting inside FY26, which can simplify how the sponsor's accountant lines up the interest-expense pickup against the FY26 BAS cycle. The Australian government's guide to the Business Activity Statement sets out the lodgement timing in plain language.
With approximately seven weeks between today and 30 June 2026, mezzanine negotiation has to start now rather than later. The intercreditor piece alone can take 3 to 5 weeks to land between the senior and mezz lender's solicitors, and that is on a clean deal where both lenders have worked together before.
None of this changes the underlying credit decision. What it changes is whether the mezz drawdown calendar lines up with how the sponsor's BAS cycle and accountant want to see the interest expense, or whether it cuts across that cycle. On a $5m to $15m commercial deal that distinction can make a quarter of difference to when the interest deduction lands.
Mezzanine in the commercial property capital stack is not a pricing question on its own. It is a blended cost of capital question, an equity preservation question, and a drawdown calendar question. The right answer depends on the size of the funding gap, the sponsor's strategy across the next few deals, and how the BAS-pickup window for interest expense (typically the BAS lodged after settlement) lines up with the sponsor's financial year. With 30 June 2026 about seven weeks out, the timing piece has its own weight on top of the structure piece.
Key takeaway: Treat mezzanine as a stack-shaping decision, not a rate decision, and start the conversation early enough for the BAS-pickup window to sit where you want it.Frequently Asked Questions
Mezzanine finance in Australia works by sitting between senior debt and sponsor equity inside the capital stack, ranking behind the senior facility on security and ahead of equity on cashflow. The mezzanine lender takes a second-mortgage or equivalent position, charges a higher coupon than senior, and gets repaid when the project completes or refinances.
It is most often used to top up a stretched senior facility on a commercial property or development transaction, where senior alone leaves a funding gap that the sponsor does not want to fill entirely with equity.
The cost of mezzanine finance for commercial property is materially higher than senior debt because the mezzanine lender ranks behind the senior facility and carries the residual risk in the deal. Coupons are typically paid quarterly, although some funders accrue rather than pay current.
The blended cost of capital across senior plus mezzanine then sits between the cheaper senior coupon and the more expensive mezz coupon, weighted by tranche size. That blended figure is what most sponsors compare when they sit down with a commercial property loan structure.
The difference between mezzanine and a stretched senior facility is structural. A stretched senior debt facility extends the senior lender's exposure higher up the LVR ceiling but stays within one loan and one ranking. Mezzanine sits as a separate tranche with its own coupon, its own subordination, and its own paperwork.
From the underwriter's seat, the question is rarely either-or, it is whether the cheapest blended cost of capital comes from a stretched senior or from a senior plus mezz pairing once the documentation and intercreditor work is priced in.
A developer should look at adding mezzanine to the capital stack when the senior facility, even after stretching, leaves a funding gap that sponsor equity cannot or should not fill on its own. This is most common on commercial property and mid-scale development sites where the senior LVR ceiling tops out before the project is fully funded.
The other common trigger is equity preservation across multiple projects, which is the same axis the 2026 property lending stack piece walks through. Mezz lets a sponsor keep equity available for the next deal rather than locking it all into this one.
Yes, mezzanine drawdown timing matters for EOFY because the BAS-pickup window for interest expense (typically the BAS lodged after settlement) follows the actual drawdown date. A mezzanine tranche drawn before 30 June 2026 will have its first quarter of interest sitting inside FY26, which can simplify how the sponsor's accountant lines up the interest-expense pickup against the FY26 BAS cycle.
With approximately seven weeks between today and 30 June 2026, the negotiation timeline matters as much as the structure. A complementary view of how senior, mezz and equity sequence around EOFY shows up in our work on the no-presales development finance use case, and through the construction loan pack reference materials.
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