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Building a strong mortgage application: 7 key steps

15 July 2026 6 min

A well-prepared file makes the difference between an accepted application and a refusal. Discover the best practices to maximise your chances.

A solid mortgage application is built well in advance, sometimes months before signing a sales agreement.

1. Stabilise your work situation: confirmed permanent contract, seniority, no trial period.

2. Clean up your accounts for 3 to 6 months: no overdrafts, no parallel consumer loans if possible.

3. Prepare a personal deposit of at least 10%: it reassures banks and finances ancillary costs.

4. Gather all required documents: 3 recent payslips, 2 most recent tax notices, 3 latest bank statements.

5. Compute your debt ratio precisely: must remain below the 35% HCSF threshold.

6. Assess your remaining living budget, an indicator increasingly scrutinised by banks.

7. Use a broker to put several institutions in competition and negotiate the best terms.

A well-prepared file can mean up to 0.40% negotiated off the rate. On a 200,000 €, 20-year loan, that’s more than 10,000 € in savings.

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