The bank looks at four things. Active debt: how many contracts are open, what the combined monthly instalment is. A DTI (instalment / income) over 40% basically blocks a new bank loan. Payment record: 30+ day delays in the last 24 months are lethal for a mortgage. Closed loans: a well-repaid loan closed three years ago says you can handle debt. Terminated contracts: a BIK entry marked „termination at client fault" essentially ends the bank route for 5 years.
„More is worse" is not a strict rule. Banks are not scared of a borrower with six loans if they are all on time and the combined instalment fits a safe DTI. Banks are scared of a borrower with three payday loans repaid by rolling them over every 30 days. Quality of history beats the count.
No history is its own case. Someone who has never borrowed has a blank BIK card. To the bank that is a question mark — nobody knows how you behave under stress. A first credit card or a small loan repaid on time for 6 months builds an initial history that later opens doors to bigger loans. A good starting play for young people planning a mortgage down the road.
Frequently asked questions
5 years after full repayment. With your written consent — longer (a longer positive history lifts the score).
Not automatically. Polish BIK does not link to foreign credit bureaus. The bank can ask for documents from a foreign bank, but you have to supply them.
No — closed data sits for 5 years by law, and longer if there were delays. Only exception: a registration error proven through a complaint.