First Home Cost Planner
Total upfront cash needed to buy a first home — deposit plus purchase fees.
Plan total upfront cash for your first home: deposit, legal fees, survey, moving, and other purchase costs. Enter purchase price to see total cash required.
What this tool does
Total cash needed to buy a first home extends well beyond the deposit — legal fees, surveys, moving costs, and an early-ownership buffer all add up. This calculator shows the combined upfront amount required by adding your deposit (calculated as a percentage of purchase price) to ancillary costs including legal fees, survey, moving expenses, and a cash reserve for early ownership. The result estimates total initial outlay across all these categories. Purchase price and deposit percentage are the primary drivers of the final figure. A typical scenario involves a buyer determining how much liquid capital to set aside before completion. Note that transfer taxes and registration fees vary by location and are excluded here — add those separately based on your local rules. This illustration is for planning purposes.
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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.
A 300,000 first home with a 10% deposit needs 30,000 for the deposit itself. On top: 2,000 in legal fees, 800 survey, 1,500 moving, 2,000 early-ownership essentials and buffer — total upfront roughly 36,300. That's 12% of purchase price, not 10% — a common gap that catches first buyers out.
How to use it
Enter the purchase price, deposit percentage, and realistic ancillary costs for your area. Legal fees vary but typically 1,500-2,500 for a standard purchase. Survey ranges 400-1,500. Moving is 500-3,000 depending on distance.
What the result means
Primary is total upfront cash needed. Secondary rows show each component — deposit, fees total, and the deposit-to-purchase ratio. Plan for the total, not just the deposit.
What this doesn't include
Stamp duty / land transfer tax — intentionally excluded because rates and thresholds vary by jurisdiction and change with budgets. Use a dedicated local calculator for that. Add the local figure to this tool's total for the full picture.
Quick example
With purchase price of 300,000 and deposit of 10% (plus legal fees of 2,000 and survey of 800), the result is 36,300.00. 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 Purchase Price, Deposit %, Legal Fees, Survey, and Moving.
What's happening under the hood
Sum of deposit (purchase × deposit %) and ancillary costs. Excludes Stamp Duty / transfer tax — these vary by jurisdiction and change with government budgets. Include the local statutory figure separately. 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.
Using this to think, not predict
Financial plans are wrong by month six — new information arrives and reshapes the picture. The point of running projections isn't to be right in ten years; it's to be less wrong in the decision you're making this week.
What this doesn't capture
Real plans get re-run against new information every year or two. The result here is a reasonable direction, not a destination. It is a starting point for thinking, not a commitment to a specific future.
When buying a home valued at £300,000 with a 10 deposit, your total upfront cash requirement is 36,300.00.
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
The calculator computes total upfront cash required by summing five components: the deposit (calculated as a percentage of the purchase price), legal fees, survey costs, moving expenses, and an early ownership buffer. The model treats each cost as a fixed or user-specified amount and combines them additively to arrive at a single total. The calculation assumes these costs occur at the point of purchase and does not model ongoing expenses, interest charges, or variations in fees by location or property type. Notably excluded are transfer taxes and stamp duties, which vary significantly by jurisdiction and legislative changes; users should obtain and add the applicable statutory figure for their location separately.
References
Frequently Asked Questions
Why isn't Stamp Duty / transfer tax included?
Are there hidden costs missing?
What deposit % should I aim for?
Can I borrow the fees?
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