Stress-Testing Your Mortgage: Can You Handle Higher Rates?

A simple way to test your budget against rate rises and falling income.

4 min read Β· Mortgage & Property

Life situations: Buying or renting home

Interest rates can change quickly. A stress test shows whether you could cope with a worse scenario.

Raise the rate

Recalculate your payments at 3 %, 4 % and 5 %. Banks use about 5 % in their affordability test, so this shows how close your budget is to the bank's view.

  • Total interest, fixed
  • Total interest, SARON
050k100k150k–0.500.51
Total interest, fixed – depending on SARON change per year (pp)

Example with default values. Open the calculator β†’

Lower your income

Test a drop of 20 % in household income, for example through unemployment, illness or a parental break. Include the fixed costs that do not fall.

Prepare your options

Run the numbers in the mortgage cost calculator.

Try it yourself: Mortgage Monthly Cost

Change any input and the result updates instantly. Nothing you enter is sent to a server.

Monthly interestCHF 960
Monthly amortization
CHF 750
Monthly maintenance (1 % p.a.)
CHF 750
Total monthly cost (cash)
CHF 2'460
Loan-to-value
80.00 %
  • Monthly interestCHF 960 Β· 39 %
  • Monthly amortizationCHF 750 Β· 30 %
  • Monthly maintenance (1 % p.a.)CHF 750 Β· 30 %

Try the calculators

Keep reading