What's a Blended Cost of Capital — and Why It Matters in Real Estate Deals

When you're comparing loan options for a real estate project, it's not enough to just look at interest rates. You need to know your blended cost of capital — which is a mix of the different interest rates you'll be paying.

Let's say you're looking at two loan offers for a $30 million project:

Option 1:
$20 million loan at 5.50%$5 million loan at 12.00%Your blended interest rate is about 6.80% — and you get 83% of the total project cost in loans.

Option 2:
One big loan that covers 80% of the project interest rate is 7.50%Even though the second option is simpler, the first option gives you more loan money (higher leverage) and a lower overall cost. That could make it the better choice.

A few things to keep in mind:

✅ This is just a simple way to compare deals. Real loans also have fees, penalties, and rules that affect the final cost.
✅ If one part of the loan (like the more expensive one) gets used first, it can change your total cost.
✅ Some people mix up "blended cost" with "WACC" — but WACC usually includes the cost of your own money (equity), not just loans.

🎉🎉🎉Bottom line: If you want to make smart choices about real estate financing, learn how to calculate and compare your blended cost of capital. It helps you see what you're really paying — and what kind of deal you're actually getting.
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