Home Buying Costs Calculator
All the upfront costs of buying a home.
Calculate total upfront costs of buying a home: deposit, transfer tax, legal, survey, mortgage and moving fees. Free and runs in your browser.
What this tool does
Enter deposit and each upfront cost. The tool totals everything you need at the closing table plus the loan amount required.
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.
Upfront cost of buying a home is much more than the deposit. Transfer tax, legal fees, survey, mortgage arrangement, and moving all add up. On a 300,000 purchase with a 60,000 deposit, you often need another 10,000-15,000 in cash to complete. Running the numbers before you offer avoids the last-minute scramble.
Quick example
With property price of 300,000 and deposit of 60,000 (plus transfer / purchase tax of 5,000 and legal fees of 1,500), the result is 69,000.00. 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 Property Price, Deposit, Transfer / Purchase Tax, Legal Fees, and Survey Fees. 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
Straight sum of all cash outlays at purchase. Mortgage amount = price minus deposit (before any fees that might be added to the loan). 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.
Why this matters before you sign
A mortgage is usually the biggest single financial commitment a person makes. The difference between a well-chosen product and a hasty one can run into tens of thousands over the life of the loan. Running the numbers here before committing is the cheapest form of due diligence available.
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.
Home buying costs produces a cash total 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
Straight sum of all cash outlays at purchase. Mortgage amount = price minus deposit (before any fees that might be added to the loan).
References
Frequently Asked Questions
What about transfer tax — is it always owed?
Should I add mortgage fees to the loan?
What cash buffer do I need after completion?
Are there ongoing costs this misses?
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