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South Africa bond & home loan calculator

Calculate South African home loan bond repayments, interest charges and minimum qualifying gross household income based on the prime lending rate.

In your browser

R
R
Typically 10%–20% improves approval odds and interest rates
%
SA prime lending rate benchmark is currently ~11.75%
Longer terms reduce monthly installments but increase total interest
Monthly Home Loan Repayment
/ month
Total Bond Amount

Minimum Gross Monthly Income Required

Based on standard SA bank affordability (max 30% of gross)
Total Overall Bond Repayment

About this tool

Calculate monthly home loan (bond) installments across South African banks (Standard Bank, FNB, ABSA, Nedbank). Factor in property purchase price, deposit, prime interest rate, and loan term in years to determine monthly repayments and total borrowing cost.

How to use it

  1. 1 Enter the property purchase price and cash deposit amount.
  2. 2 Specify the bond interest rate (% p.a., typically linked to SA Prime Rate).
  3. 3 Select the bond term (15, 20, 25, or 30 years).
  4. 4 Review your monthly installment, total interest over the loan life, and minimum gross monthly income required.

Questions

What is the South African prime lending rate?

The prime lending rate is the benchmark interest rate set by commercial banks in South Africa, historically hovering between 10.5% and 11.75% depending on SARB repo rate decisions.

What is the maximum bond repayment percentage allowed by South African banks?

South African mortgage lenders typically require that your monthly bond installment does not exceed 30% of your gross monthly household income.

Is my data uploaded?

No. This tool runs in your browser, so your text and files never reach our server.

Is this tool free?

Yes. It’s free to use with no sign-up and no limits for normal use.