Home Affordability Calculator South Africa
Introduction & Importance
Home affordability is a critical factor when considering purchasing a property. Our calculator helps you understand your financial capabilities and make informed decisions.
How to Use This Calculator
- Enter your monthly income.
- Enter your monthly debt obligations.
- Enter the property price.
- Enter the deposit amount.
- Enter the interest rate.
- Select the loan term.
- Click ‘Calculate’.
Formula & Methodology
The calculator uses the following formula to determine affordability:
Monthly Repayment = (Property Price – Deposit) * (Interest Rate / 12) / (1 – (1 + Interest Rate / 12)^-Loan Term)
Affordability Ratio = (Monthly Income – Monthly Debt) / Monthly Repayment
Real-World Examples
Data & Statistics
| City | Average Price (R) |
|---|---|
| Johannesburg | 1,250,000 |
| Cape Town | 1,800,000 |
| Durban | 950,000 |
Expert Tips
- Consider your long-term financial goals.
- Factor in additional costs like insurance and maintenance.
- Regularly review and update your affordability calculation.
Interactive FAQ
What is the recommended affordability ratio?
The general rule of thumb is to keep your affordability ratio below 30%.
How does the interest rate affect affordability?
A higher interest rate increases your monthly repayment, reducing your affordability.
South African Revenue Service – Income tax rates
Nedbank – Home loan calculator
University of South Africa – Affordability study