At the beginning of a mortgage financing, only interest is to be paid for a certain period. The low initial burden feels comfortable in the household budget. For the decision, however, it must also be clear when repayment begins and what debt remains until then.
Define a completely fictional course
For this learning model we assume a loan of 100.000 Euro, four per cent annual interest and two full initial years without repayment. The annual interest is paid in full. There are no fees, additional disbursements or capitalised interest. After that an agreed higher annual payment of 8.000 Euro begins; the exact subsequent repayment development is not calculated here.
The initial interest therefore amounts to 4.000 Euro per year. After the first two years a total of 8.000 Euro has been paid, yet under the set conditions the debt nevertheless remains 100.000 Euro. These paid interest amounts are not an advance capital repayment.
Bring the later burden into today's budget
For the first phase 4.000 Euro annually corresponds to a purely computational twelve‑month average of around 333,33 Euro. The later annual payment of 8.000 Euro corresponds to around 666,67 Euro. The actual due dates follow the payment schedule of the real contract; an annual average is not issued as a monthly debit.
In the fictional household 500 Euro per month are available for this loan after all other recorded expenses. The initial phase appears covered. However, the later average burden is about 166,67 Euro higher. Without additionally clarified means, the current household standing therefore does not support the entire assumed course.
Check the justification for a relief phase
A later ending other expense or a confirmed change in income can be relevant. But it must be evidenced with a date and actual amount. A general optimism that more money will be available by then is not a finished financing of the higher instalment.
If the initial phase is to be used specifically because other payments still exist, both payment sequences belong in the same overview. An insufficient cover must not disappear from the picture by continuously extending the repayment-free period.
Require the overall plan offered
For a real contract have the initial phase, start of repayment, full instalments and remaining debt explained appropriately. Which variants are permitted and economically sensible requires concrete advice.
The learning question is answered when the low first payment is correctly categorised as a time‑limited phase. It is not proof that the financing remains sustainable over its entire course or that the debt has already fallen significantly.