Most people think of a loan affordability check as something the lender does to protect itself. And while that is partly true, the NCA — South Africa’s National Credit Act — designed the affordability assessment primarily to protect the borrower. It is the law’s mechanism for making sure that credit is not extended to someone who cannot realistically afford to repay it, because a loan you cannot repay does not solve a financial problem — it creates a bigger one.
Understanding why affordability checks exist, what they actually measure, and what they mean for your application changes how you approach borrowing. This article covers all three — including why passing an affordability check is not the same as making a good financial decision, and why the two things need to be considered together.
What the NCA Actually Requires
Section 81 of the National Credit Act prohibits reckless credit extension. Under this section, a credit provider must not enter into a credit agreement with a consumer without first taking reasonable steps to assess the consumer’s understanding of the risks and costs of the proposed credit, and the consumer’s debt repayment history and existing financial means and prospects.
In plain language: before any loan can be approved, the lender must check that you can afford to repay it. This is not optional, it is not a courtesy, and it cannot be waived by the applicant. A credit agreement entered into without a proper affordability assessment is a reckless credit agreement — and that has legal consequences for the lender, not the borrower.
The affordability check is a legal protection built into every registered loan transaction in South Africa. If a lender skips it and approves a loan you demonstrably cannot afford, the loan can be declared reckless credit under the NCA — which gives you legal remedies. See the ClearLoans article on What Is a Loan Affordability Check for the full legal detail.
What the Affordability Check Actually Measures
The check is not just about whether you have income. It measures the gap between what comes in and what is already committed — and whether that gap is large enough to support a new repayment without creating hardship. Four inputs drive the calculation:
| Input | What It Captures | Why It Matters |
| Gross income | Total verified earnings from all sources | The starting pool from which all obligations are paid |
| Existing obligations | All active credit commitments — loans, cards, accounts | Each reduces the available NDI rand-for-rand |
| Living expenses | Rent, food, transport, school fees, utilities | Non-negotiable monthly outflows that must be preserved |
| Proposed new instalment | The repayment for the loan being applied for | Must fit within what remains after all of the above |
Table 1: The four inputs of a loan affordability assessment — together they determine whether the new instalment is genuinely sustainable
The result is the Net Disposable Income — the amount left over after income has been reduced by everything that already has a claim on it. If the proposed instalment fits within the NDI, the affordability check passes. If it does not, the check fails — or produces an offer at a lower amount that does fit.
For a deeper breakdown of how this calculation works step by step, see the ClearLoans article on How Banks Calculate Loan Affordability.
Why the Check Protects You, Not Just the Lender
It is tempting to view the affordability check as a barrier — something standing between you and the money you need. But consider what it is actually preventing: the approval of a loan whose instalment would leave you unable to cover basic living expenses, or that would require borrowing again next month to stay afloat.
South Africa has a well-documented problem with reckless lending — credit extended to people who clearly cannot afford it, often by lenders who benefit from the fees on rollover loans, missed payment penalties, and the accumulated interest on compounding debt. The affordability check is the regulatory firewall against this. When it works as intended, it stops a short-term solution from becoming a long-term crisis.
- It prevents over-indebtedness. A loan approved on a proper affordability assessment will not, by definition, push you into a position where you cannot meet basic living needs. That is the design intent.
- It creates a legal record. The documented affordability assessment is the evidence that the credit was not reckless. If circumstances change and you struggle to repay, that record matters — it establishes that the credit was responsibly extended.
- It protects your credit record. A loan you can genuinely afford is a loan you are more likely to repay on time — which builds rather than damages your credit history. See the ClearLoans article on How Lenders Use Credit Scores for how repayment behavior feeds into your score.
When the Affordability Check Does Not Go Far Enough
The affordability check has limits. It sets a minimum standard — a floor below which credit cannot be extended. It does not set a ceiling, and it does not assess whether the loan is the right financial decision for your circumstances.
A borrower might pass the affordability check and still be making a poor financial choice: borrowing for a depreciating purchase, taking a loan at a high rate when savings could cover the same need, or extending the debt term to reduce the instalment while dramatically increasing the total interest paid. The affordability check catches the obvious danger — the loan that cannot be repaid. It does not catch the subtler dangers — the loan that can technically be repaid but is still financially unwise.
Passing an affordability check is the beginning of a responsible borrowing decision, not the end of it. Before accepting any loan offer, calculate the total cost of credit — the full rand amount you will repay over the life of the loan including all interest and fees. If that number does not feel proportionate to the need, the loan is technically affordable but possibly not financially sound.
Frequently Asked Questions
1. Is an affordability check the same as a credit check?
No — they are two separate assessments that happen simultaneously. The credit check looks at your repayment history and produces a credit score. The affordability check looks at your current income, obligations, and expenses and produces an NDI figure. You can pass one and fail the other. A borrower with a good credit score but insufficient NDI will be declined for affordability. A borrower with a poor credit score but strong income and low obligations may pass the affordability check but face a rate premium due to credit risk.
2. Can I ask a lender to skip the affordability check?
No — it is a legal requirement under the NCA. Any lender who skips it is breaking the law. If you find a lender who offers to approve a loan without checking your income and expenses, that lender is either not NCR-registered or is committing reckless lending. Verify every lender’s NCR registration at ncr.org.za before submitting any application or personal information.
3. What information does the affordability check use?
Your payslip or bank statements for income verification, the credit bureau report for existing obligations, your declared living expenses, and the proposed new instalment amount. Some lenders also use automated bank statement analysis to cross-check declared expenses against actual spending patterns. The more complete and accurate the information you provide, the more accurate the affordability assessment — and the more likely the approved amount reflects what you can genuinely manage.
4. If I pass the affordability check, does that mean I should definitely take the loan?
Not necessarily. Passing the affordability check means the instalment fits within a calculated NDI at a point in time. It does not account for future income changes, unexpected expenses, or whether the total cost of credit over the loan term represents good value for the need being met. Use the affordability check as a minimum standard, not a recommendation. The How to Improve Loan Affordability article on ClearLoans covers the additional personal financial assessment steps worth taking before accepting any offer.
5. What happens if a lender approves a loan that I cannot actually afford?
Under the NCA, a credit agreement extended without a proper affordability assessment — or where the assessment was clearly inadequate — can be declared reckless credit. A court or the National Consumer Tribunal can set aside or restructure a reckless credit agreement. This is a remedy available to borrowers, not a penalty applied automatically. If you believe a loan was extended recklessly, a registered debt counsellor or the National Credit Ombud can advise on the options.
Final Thought
The affordability check exists because South Africa’s credit market has historically extended too much credit to too many people who could not repay it. The NCA’s mandatory assessment is the correction to that pattern — a built-in mechanism that requires lenders to take your financial reality seriously before handing over money. When it works, it protects both parties. When lenders circumvent it, it is the borrower who pays. Apply through ClearLoans and reach lenders who conduct proper assessments — it is the only kind worth doing.
Apply with confidence through ClearLoans — lenders in our network conduct full NCA-compliant affordability assessments. Start at clearloans.co.za.