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Down Payment Calculator

The down payment calculator helps you quickly determine how much equity you need to secure a mortgage on a chosen property. Enter the property value and planned down payment percentage — the calculator instantly shows the down payment amount, the maximum loan, and the LTV ratio. In Poland the minimum KNF requirement is a 10% down payment, but below 20% banks require low-LTV insurance (UNWW), which increases the monthly payment or adds a one-time fee. The optimal down payment is 20% — it eliminates UNWW and typically unlocks better interest rates.

Reviewed byRedakcja Liczbnik
Calculator
PLN
%
Down Payment Calculation ResultRequired down payment100,000.00PLN
Maximum loan amount
400,000.00 PLN
LTV ratio
80%
Low-LTV insurance required
0
Min. 10% down (with insurance)
50,000.00 PLN
Opt. 20% down (no insurance)
100,000.00 PLN
Max loan at 10% down
450,000.00 PLN
Max loan at 20% down
400,000.00 PLN

How we calculate the down payment

Down payment = property value × percentage / 100. Maximum loan = property value − down payment. LTV = (maximum loan / property value) × 100. Low-LTV insurance required when LTV > 80% (down payment below 20%).

Example: property 600,000 PLN, 20% down

Property value 600,000 PLN, 20% down: down payment = 120,000 PLN, maximum loan = 480,000 PLN, LTV = 80%. No low-LTV insurance needed. At only 10% down (60,000 PLN) the loan is 540,000 PLN, LTV = 90% and UNWW insurance is required.

Frequently asked questions

What is the minimum down payment for a mortgage in Poland?

The minimum down payment required by Polish banks is 10% of the property value. However, with a down payment below 20%, banks require low-LTV insurance (UNWW), which increases the cost of the loan.

What is LTV and why does it matter?

LTV (Loan to Value) is the ratio of the loan to the property value expressed as a percentage. The lower the LTV, the lower the bank risk and the better the loan terms. At LTV above 80% (down payment below 20%) banks require UNWW insurance.

How can I avoid low-LTV insurance?

Save at least 20% of the property value as a down payment so that LTV does not exceed 80%. Some banks also accept an additional pledge on another property as a substitute.

How much does low-LTV insurance cost?

UNWW insurance is typically charged as a 0.2–0.5 percentage point rate premium or a one-off fee. It applies until the outstanding balance falls below 80% of the property value.

Can a family gift count as a down payment?

Yes. A monetary gift from close family (parents, grandparents) is accepted as a down payment provided it is evidenced by a bank transfer and a declaration. In Poland, gifts from parents are exempt from gift tax if reported to the tax office within the legal deadline.

How quickly can I save a down payment?

The most effective strategy: automatic monthly transfers to a savings account or term deposit, reduce discretionary spending and add extra income streams. Use the deposit calculator to plan how long it will take to reach your target.

Indicative result

Results are indicative only. Actual down payment requirements may vary by bank, property type and loan programme. Consult a mortgage advisor before applying.
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