Propertify
Budget estimate • National Credit Act (NCA) Section 81 Credit Assessment

Home affordability calculator

Explore a buying budget using your income, debts and deposit. This is a planning estimate; your bank will assess your full expenses and credit profile.

Budget estimate using a 30% income guideline

Household Income & Commitments

R75 000
R

30% income guideline: R22 500 / month

R4 500
R

Deducted from your 30% maximum monthly repayment allowance.

R180 000
R
Maximum Qualifying Property Purchase Price

R1 952 999

Max Qualifying Bond: R1 772 999 + Deposit: R180 000

Recommended Comfortable Buying Range (Stress-Tested)

R1 562 939 – R1 740 239

Target monthly instalment of R14 760/pm leaves a 15%–20% buffer for SARB interest rate hikes, municipal rates, and Sectional Title levies.

30% of gross monthly incomeR22 500 / pm
Less Existing Monthly Debt Commitments- R4 500 / pm
Maximum Qualifying Monthly Bond InstalmentR18 000 / pm
Estimated Upfront Transfer Duty & Legal FeesR120 676
Total Upfront Cash Needed (Deposit + Fees)R300 676

Statutory & Credit Disclaimer: Calculations are indicative estimates provided for South African property budgeting only and do not constitute formal financial or legal advice under FAIS. Final home loan terms are subject to lender credit approval and affordability verification under the National Credit Act (Act 34 of 2005). Conveyancing, bond registration, Deeds Office, and SARS Transfer Duty figures are subject to statutory tariff adjustments.

How South African Banks Assess Home Loan Affordability (NCA Act 34 of 2005)

When you submit a home loan pre-qualification or bond application in South Africa, credit underwriters evaluate three primary affordability pillars:

  • 1. The 30% planning guideline: This tool starts with 30% of your gross monthly household income, adjusted for existing monthly debt commitments.
  • 2. Credit Bureau & Debt-to-Income Profile: Lenders review your TransUnion, Experian, or XDS credit bureau record along with 3 to 6 months of bank statements to verify contractual debit orders and discretionary spending.
  • 3. Upfront Cash Liquidity (Deposit + Transfer Costs): Even when you qualify for a 100% bond, you must still hold sufficient liquid cash to pay SARS Transfer Duty, LSSA conveyancing attorney fees, and Deeds Office registration levies.

Connect with Verified Property Practitioners

Once you know your maximum qualifying purchase price and comfortable budget range, work with PPRA-registered estate agents and LPC conveyancers in your target suburb:

Frequently Asked Questions: Home Buyer Affordability in South Africa

How does the 30% income guideline help me plan?

This calculator uses 30% of gross household income, less existing debt payments, as a starting point for a buying budget. It is a planning guideline, not a limit set by the National Credit Act or a guarantee of approval. Lenders assess your income, living expenses, debts and credit profile.

Why do South African banks look at both gross income and net surplus income?

Section 81 of the National Credit Act prohibits reckless lending. Even if your bond repayment is within 30% of gross income, banks verify your net take-home pay (after PAYE income tax, UIF, medical aid, and pension deductions) minus monthly debt commitments (vehicle finance, credit cards, personal loans) and household living expenses to confirm sufficient net disposable surplus.

Can joint applicants combine their incomes to qualify for a larger bond?

Yes. Married couples, life partners, or co-investors can apply jointly for a South African home loan, pooling their gross monthly household incomes and combined monthly debt obligations to increase their maximum qualifying purchase price.

Why should buyers budget for a comfortable purchase price below their maximum limit?

Propertify calculates a recommended comfortable purchase range (roughly 80% of your maximum qualifying cap) to buffer your household budget against future South African Reserve Bank (SARB) interest rate hikes, municipal rates and tariff increases, sectional title special levies, and homeowner insurance.