A buying budget becomes more useful when you can change one assumption and see the effect. This calculator separates the property price, estimated purchase tax, other acquisition costs and the funding you expect from a mortgage. The result is an illustration of cash needed, not approval that a purchase is affordable or that a tax treatment applies.
Use the default rates only as a starting point for an ordinary Andalusian residential example. Your lawyer or tax adviser should confirm the transaction type, tax base, available reliefs and filing obligations. If a figure is still uncertain, record that uncertainty rather than quietly treating the estimate as final.
What the calculator includes
Enter the agreed or proposed price, the relevant tax base and the loan amount you expect to receive. Choose resale or qualifying new-home assumptions. Add estimated professional and other acquisition expenses as a separate amount. The calculator then shows estimated tax, total acquisition cost and cash needed after the entered loan.
The separate tax-base field matters. You should not assume that the price and taxable base always match. Confirm the appropriate base and use the field accordingly. The simplified tool uses the entered base for the selected tax calculations; it cannot assess a complex transaction with several differently treated components.
The loan field is a funding assumption, not a suggested borrowing amount. The tool does not assess lender eligibility, valuation or affordability. If approval is lower than expected, change the loan figure and review the revised cash requirement before making a commitment.
Resale assumptions
The standard resale illustration uses a 7% transfer-tax rate. This is the general figure published in Andalusia's official ITP and AJD guidance. Reduced rates and different treatment may apply where the relevant conditions are met.
For example, a €300,000 price and €300,000 tax base at 7% produce €21,000 estimated transfer tax. If other entered expenses are €5,000, total acquisition cost is €326,000. With an entered €180,000 loan, the estimated cash funding is €146,000.
Those figures are deliberately illustrative. They do not establish the correct tax base, a lender's offer or the actual professional fees for a property. Their purpose is to show how the calculation works and prevent the acquisition costs being forgotten.
Qualifying new-home assumptions
The new-home scenario uses a 10% VAT assumption and 1.2% AJD assumption, applied to the entered tax base. It does not add ordinary resale transfer tax as well. Confirm that this combination fits the actual transaction before relying on the result.
For a simplified €300,000 base, estimated VAT is €30,000 and estimated AJD is €3,600. With a €300,000 price and €5,000 other costs, the estimated total is €338,600. An entered €180,000 loan leaves €158,600 estimated cash funding.
The Junta's purchase-tax explanation distinguishes qualifying first supplies from later transactions. Protected housing, commercial property and separately treated elements can require a different calculation. A marketing description alone does not determine the tax position.
Which other costs should you enter?
Obtain itemised estimates for legal work, notarial and registration expenses, inspections, document formalities and other costs that fall to you. Ask whether quoted amounts include VAT. Put only the expenses appropriate to your transaction into the field.
Do not enter the contractual deposit as another acquisition expense if it is already part-payment of the price. Otherwise, you count the same money twice. Keep a separate payment schedule showing how much of the price has already been paid and what remains due.
Borrowing expenses also need careful treatment. Separate the property purchase from the mortgage arrangement and avoid counting an item twice. Ask the lender and lawyer to reconcile their statements before the final completion budget is agreed.
What the result leaves out
The calculator does not assess reduced-rate eligibility, reference-value disputes, unusual transaction structures or every possible tax. It also does not calculate the ongoing Spanish or UK tax consequences of ownership. The tax overview explains the broader stages to investigate.
Furniture, renovation, future maintenance, annual charges and personal relocation costs are outside the calculation unless you deliberately include an appropriate amount in other costs. Keep a clear note of what you included so another person can understand the estimate.
The tool does not calculate exchange costs or the sterling value of your euro requirement. Use a current provider quotation for a real transfer and test an adverse rate separately. A euro total can stay unchanged while the pounds you need increase.
Use a separate reserve
Cash needed to complete is not the same as all the cash you should retain. Keep an emergency reserve suited to your circumstances and property. A leak, delayed move or unexpected appliance replacement should not leave you unable to meet normal commitments.
For example, if the tool shows €146,000 of cash funding and you want a €15,000 reserve, your wider available-funds target would be €161,000 before any other excluded spending. The reserve is a planning decision, not a standard recommended amount for every buyer.
Discuss the timing too. Some money may be required before a mortgage advance or another sale completes. Having enough money in total does not solve a short-term funding gap if it is not accessible when a payment falls due.
Turn an early estimate into a completion budget
Save or print the scenario and record the assumptions used. Replace provisional fees with written quotes as they become available. If the price, base, loan or transaction classification changes, calculate again rather than continuing to use an earlier result.
Before signing a binding agreement, ask your lawyer to confirm the tax assumptions and the consequences of unresolved finance. Read the buying process and legal checks guide alongside the numbers. A budget does not establish that the property is legally suitable.
Near completion, reconcile the estimate with the actual statement, deposits paid and funds required. Confirm bank details through a trusted route and investigate unexpected changes. The closer you are to sending money, the more useful a clear written reconciliation becomes.
Reading the figures sensibly
If changing one assumption makes the purchase difficult to fund, pause and understand why. You may need a smaller price range, a different financing plan or more time to build a reserve. A calculator is useful when it reveals that early, while choices are still available.
Keep a copy with the purchase file, but label it as an estimate until verified. Rounded displayed figures can differ slightly from formal calculations or invoices. Your final obligations come from the applicable rules and transaction, not this screen.
The aim is a purchase you can understand and manage. Use the result to prepare a better conversation with your advisers, then make the decision with confirmed figures wherever possible.
Printing a useful record
The print button creates a readable copy of the current inputs and results alongside the guide. Add the date and retain the relevant quotations separately. If you share the estimate with a co-buyer, make clear which figures have been verified and which are still provisional. Two people looking at the same total can otherwise assume different things about furniture, fees or the emergency reserve.
For shared purchases, discuss how the cash contribution will be divided between owners. This tool estimates the transaction total only; it does not determine legal ownership shares, the treatment of unequal contributions or any agreement between the people buying together.
Prepared by Costa del Sol Property Guide ·
Prepared with AI assistance and source research. No independent legal, tax or surveying review. Read the standards · Report a possible correction


