Mortgage Broker Fee Calculator
Compare broker fee structures.
Compare a flat broker fee against a percentage-of-loan fee to see which costs more. Enter loan amount to see which structure costs less for your loan size.
What this tool does
Enter loan amount, flat fee, and percentage-of-loan fee. The tool shows which structure costs less for your loan size.
Enter Values
Formula Used
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Disclaimer
Results are estimates for educational purposes only. They do not constitute financial advice. Consult a qualified professional before making financial decisions.
Mortgage brokers charge either a flat fee (500-1,500 typical) or a percentage of the loan (0.3-1% typical). Larger loans favour flat fees. Smaller loans sometimes favour a percentage if the percentage is low. A 300,000 loan at 0.5% = 1,500; a 500 flat fee wins easily at that size. A 50,000 loan at 0.5% = 250; the flat 500 loses.
Quick example
With loan amount of 300,000 and flat fee quote of 1,000 (plus percentage fee quote of 0.5%), the result is 500.00. Change any figure and watch the output shift — it's often more useful to see the pattern than to memorise the formula.
Which inputs matter most
You enter Loan Amount, Flat Fee Quote, and Percentage Fee Quote. Frequency and unit price pull the total in different directions. The biggest surprise for most people is how small recurring amounts compound into large annual figures — that's where this calculation earns its keep.
What's happening under the hood
Direct comparison of both fee structures. Does not include any lender-paid proc fee which is separate. The formula is listed in full below. If the number looks off, you can retrace the calculation by hand — that's the point of showing the working.
What the headline rate hides
Lenders quote a rate; what you pay is a blend of that rate, fees, insurance, and any early-repayment penalty built into the product. The figure here isolates the core interest cost so you can compare like-for-like across deals — then add the other costs separately before signing anything.
What this doesn't capture
The figure excludes arrangement fees, valuation costs, legal fees, insurance, and any early-repayment charges — those can add several thousand to the headline cost. Rate changes at renewal for fixed-term deals will shift the picture further. Use this for the core interest/principal math and add the other costs on top.
Broker fee comparison produces a winner based on the inputs provided.
Inputs
This example uses typical values for illustration. Adjust the inputs above to match a specific situation and see how the result changes.
Sources & Methodology
Methodology
Direct comparison of both fee structures. Does not include any lender-paid proc fee which is separate.
References
Frequently Asked Questions
Do brokers always charge a fee?
Are broker fees negotiable?
Fee-free brokers — what's the catch?
Are broker fees tax-deductible?
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