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Capital structure

Mezzanine capital: strategic equity substitute in transition

Where senior tranches are structured more conservatively, a gap opens in the capital stack. Junior capital can close it — at a price that has to work.

August 2026Updated: September 2026Fox Capital editorial team

Mezzanine used to be an instrument for exceptional cases. In our transaction practice, junior capital is now part of the plan from the outset in many larger structures. The reason lies in the senior tranche: senior lenders size the available leverage depending on asset class, cash flow, project phase, sponsor quality and market environment — in some cases considerably more conservatively than in earlier market phases. The difference has to come from somewhere, and it rarely comes entirely from the sponsor.

What matters is less that junior capital is needed, and more on what terms it is available — and whether the structure can carry it.

Where mezzanine actually sits in the stack

Mezzanine is a category, not a product. In practice we see junior loans with second-ranking land charges, shareholder loans with subordination, profit-participating loans and silent partnerships. Which variant is available depends less on the funding requirement than on what the senior documentation permits.

A frequent sequencing error: junior capital is negotiated before it has been clarified with the senior lender whether second-ranking security is possible at all. If the structure then has to move to unsecured capital, the return requirements of the junior provider usually shift noticeably. Ranking, security, project phase and senior documentation can materially affect pricing.

  • Align subordination and standstill terms with the senior financing in parallel
  • Start the intercreditor discussion early — it is regularly the time-critical path
  • Review distribution provisions: they determine when junior capital is served

What drives the price of junior capital

There are no reliable universal pricing ranges; they depend on the asset, the structure, the timing and the lender. Key factors are ranking, security, overall leverage, project phase, quality and stability of cash flow, and the sponsor's credit standing and track record.

More important than the headline coupon is the repayment mechanism. A PIK element that accrues until exit protects liquidity during construction but weighs more heavily on the final margin than many calculations show. We therefore always model both variants — current pay and accrued — and place them side by side.

When the price is justified

The economic logic is simple: junior capital can pay off where the equity return after junior cost exceeds the return the same equity would earn in an alternative use. Anyone pursuing a single project should think differently — that is a question of risk capacity, not leverage.

We regularly advise against it. In tightly calculated developments with thin margins, junior capital can absorb much of the buffer for construction cost increases. A smaller project, or a joint venture partner with real equity, is then often the more robust route.

In short

Mezzanine is a structural decision, not a gap filler. Ranking, security and repayment mechanics matter more than the coupon on the cover page.

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