Cash flow calculator

Is your property still profitable once the fixed rate ends?

Run your property through seven questions: what is left after interest and repayment, how the bank rates the coverage, and the follow-on rate at which it tips over. Does the rent still cover it at four percent?

The calculator works with your figures, before tax and without capital growth. It shows what is left from the rent. For the bank, its own assessment counts in the end.

Sources

  • Follow-on rate: Deutsche Bundesbank, MFI interest rate statistics, housing loans to households, effective rate, fixed for 5 to 10 years, July 2026 (published 2 September 2026): 3.78 %. Interhyp and Dr. Klein, early September 2026: around 3.9 % nominal. Finanztip, 7 September 2026: 4.2 % effective.
  • Flat rates: German Zweite Berechnungsverordnung, § 26 and § 28, rates from 1 January 2026.
  • DSCR guide of 1.20 to 1.35: finesthub (as of January 2026), ImmoScope (July 2026). Banks publish no binding floor for private landlords.
  • Method: identical to the income statement in EstateMate.