Foreign income (příjem ze zahraničí)
Salary or other income paid by a foreign employer or payer, usually in a foreign currency. Some Czech banks accept it for a mortgage, typically from the EU (Slovakia, Germany, Austria), and others do not accept it at all. Those that do want an employment contract, payslips and statements, often with a certified translation, and count the income more cautiously than koruna income, because the mortgage is in korunas and carries exchange-rate risk.
Example
A cross-border commuter works in Germany on a net income equivalent to CZK 60,000 a month. Were it koruna income, an internal threshold of 45 % would let him carry a payment of CZK 27,000, i.e. a loan of roughly CZK 5,000,000 over 30 years at 5.00 %. If the bank allows for the exchange rate and counts only, say, CZK 54,000, the payment cap falls to CZK 24,300 and the loan to about CZK 4,500,000.
In practice
Go straight to banks that accept foreign income, and document a longer track record, usually at least several months of salary on the account. Have the employment contract and the employer's confirmation translated in advance. If your salary goes into a foreign account and you transfer only part of it to Czechia, the bank will see only what your statements show. Expect a lower LTV or a mark-up on the rate as well.
How it differs
What matters here is where the income comes from, not citizenship, so this is not the same as a mortgage for foreigners: a Czech working in Germany faces the same issues as a Slovak. Foreign income goes hand in hand with exchange-rate risk, which the borrower bears when the income is in euros and the payment in korunas.
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