Bond / Home Loan Calculator
Calculate your monthly bond repayment, total interest paid, and see how extra payments can save you thousands.
Enter Bond Details
SA prime rate is currently ~11.75%
What is HomeVision? Offered by all major SA banks, HomeVision lets you register your bond for a higher amount than your actual loan. The extra is a pre-approved revolving facility — you can draw on it at any time in the future without registering a new bond, saving you attorney and registration fees. E.g. borrow R1.35m but register for R1.55m — the R200k surplus is available instantly whenever you need it.
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Your Bond Results
Monthly Bond Repayment
R 14 630
on R 1 350 000 over 20 years at 11.75%
Total Repayment
R 3 511 211
Total Interest
R 2 161 211
Monthly Cost Breakdown
Estimated Once-Off Upfront Costs
* Attorney fees are estimates based on Law Society tariff + 15% VAT + disbursements. Get formal quotes from your conveyancing attorney.
💡 Save 5 years — pay R 1 400/month extra
Adding R 1 400 to your monthly repayment cuts your bond from 20 to 14.9 years and saves you R 647 349 in interest.
Extra/month
R 1 400
New term
14.9 yrs
Interest saved
R 647 349
* These extra payments don't disappear — they accumulate as surplus capital in your bond account. With an access bond, this surplus works like a savings account: it reduces your daily interest charge, and you can view the available balance and request a withdrawal at any time via your banking app. No fees, no new loan application — just tap and transfer.
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* Repayment estimates only. Total cost of ownership over 20 years (repayments + service fees + upfront costs): approx. R 3 718 871. Submit your request for a formal quote.
How is a South African bond calculated?
South African home loans (bonds) are typically structured as reducing-balance loans with a variable interest rate linked to the South African Reserve Bank (SARB) repo rate via the prime lending rate. Banks usually offer prime minus 0.5% to prime plus 2% depending on your credit profile.
The transfer duty on properties over R1,100,000 is payable to SARS and ranges from 0% to 13%. Attorney transfer and bond registration fees are additional once-off costs. Use Finance EzyFind to get pre-approved and compare bond offers from major banks and specialist mortgage providers.
Smart Bond Payment Strategies
On a 20- or 30-year bond, even small extra payments made at the right time can save hundreds of thousands of rands in interest. Here's how to maximise every payment.
Pay Before Your Debit Order Date
SA banks calculate home loan interest on your daily outstanding balance. Making an extra payment a few days before your monthly debit order means your balance is already lower when interest accrues, reducing the interest portion of every future instalment and growing the principal repayment — compounding across 20–30 years.
Pay Extra as Early in the Month as Possible
Because SA banks charge bond interest daily, paying extra on the 1st of the month instead of the 25th gives your payment 24 extra days of interest reduction. On a R1.5m bond, this difference can add up to thousands of rands saved per year over a 20-year term.
R500/Month Extra Beats a R6,000 Annual Lump Sum
Consistent small monthly overpayments reduce your balance for the entire year before the next payment — whereas a year-end lump sum only reduces it for one month. On a 20-year bond, R500/month extra from year one typically saves more interest than R6,000 paid every December.
Direct Extra Payments to Principal Reduction
Instruct your bank to apply extra payments to principal, not to advance your debit order date. Most SA banks allow this via a phone call or your banking app. Advancing your debit order prepays an instalment — it does not reduce the capital balance, so it saves far less interest.
The First 5 Years Are Critical
On a 20-year bond, roughly 80% of your first instalment is pure interest. Extra payments in years 1–5 reduce the balance when it is largest — giving you the greatest interest saving per rand. Waiting until year 10 to pay extra cuts your potential savings by more than half.
Refinance When Prime Rate Drops
SA home loans are variable-rate — when the prime lending rate falls, your instalment decreases. Instead of pocketing the saving, keep paying the old (higher) amount. Every rand above the new minimum goes to principal, accelerating your payoff date without changing your budget.
Bond Repayment Reference Table
Indicative monthly repayments at 11.75% p.a. (prime rate). Use the calculator above for your exact rate and deposit.
| Bond Amount | 10 Years | 20 Years | 30 Years | |||
|---|---|---|---|---|---|---|
| Monthly | Total Interest | Monthly | Total Interest | Monthly | Total Interest | |
| R 500 000 | R 7 099 | R 352 880 | R 5 418 | R 800 320 | R 5 046 | R 1 316 560 |
| R 750 000 | R 10 649 | R 527 880 | R 8 127 | R 1 200 480 | R 7 568 | R 1 974 480 |
| R 1 000 000 | R 14 198 | R 703 760 | R 10 836 | R 1 600 640 | R 10 091 | R 2 632 760 |
| R 1 250 000 | R 17 748 | R 879 760 | R 13 545 | R 2 000 800 | R 12 614 | R 3 290 560 |
| R 1 500 000 | R 21 297 | R 1 055 640 | R 16 254 | R 2 400 960 | R 15 137 | R 3 949 320 |
| R 2 000 000 | R 28 396 | R 1 407 520 | R 21 672 | R 3 201 280 | R 20 183 | R 5 265 880 |
| R 2 500 000 | R 35 495 | R 1 759 400 | R 27 090 | R 4 001 600 | R 25 228 | R 6 582 160 |
| R 3 000 000 | R 42 594 | R 2 111 520 | R 32 508 | R 4 801 920 | R 30 274 | R 7 898 640 |
| R 4 000 000 | R 56 792 | R 2 814 960 | R 43 344 | R 6 402 560 | R 40 365 | R 10 531 400 |
| R 5 000 000 | R 70 990 | R 3 518 800 | R 54 180 | R 8 003 200 | R 50 457 | R 13 164 520 |
* Monthly repayments and total interest are indicative at 11.75% p.a. with no deposit. Actual figures depend on your approved rate, deposit, and lender fees.
Home Loan / Bond Cheat Sheet
Key numbers and rules every South African home buyer should know before signing a bond agreement.
30% of Gross Income Rule
SA banks typically limit bond repayments to 28–30% of gross monthly income. On a R30,000/month gross salary, you qualify for roughly R8,400–R9,000/month in bond repayments — equating to a bond of approximately R800,000–R900,000 at current rates.
Prime Rate & Your Bond Rate
SA home loan rates float with the prime lending rate (currently ~11.75%). First-time buyers with strong credit typically get prime minus 0.5% to prime. Higher-risk profiles may be offered prime plus 1–2%. A 1% rate difference on a R1.5m bond over 20 years equals ±R220,000 in total interest.
10 Years vs 20 Years: The Real Cost
A R1m bond at 11.75%: over 10 years you pay ±R704,000 in interest; over 20 years ±R1.6m. The 20-year term costs you almost R1m more in interest — but the monthly payment is R3,362 less. Choose the shortest term your budget allows and pay extra when possible.
Once-Off Purchase Costs to Budget For
Beyond the bond: Transfer duty (0–13% on property value over R1.1m), attorney transfer fees (±R25,000–R70,000), bond registration fees (±R15,000–R40,000), and a 10% deposit most banks require. Budget 8–12% of purchase price for all once-off costs.
Credit Score Requirements
SA banks typically require a minimum credit score of 600–650 to qualify for a bond. A score of 700+ significantly improves your chances and rate. Check your credit score for free on Credit Bureau portals (TransUnion, Experian) before applying to avoid a declined application damaging your score further.
Access Bond vs Regular Bond
An access bond (offered by FNB, Standard Bank, Nedbank, Absa) lets you re-draw any extra capital you've paid in. This is ideal for keeping emergency savings in your bond — reducing your interest daily while staying accessible. Regular bonds don't allow redraw of extra payments.
Missed Payments Have Severe Consequences
A single missed bond payment triggers a Section 129 notice after 20 business days. Three consecutive missed payments can lead to repossession proceedings. If you anticipate financial difficulty, contact your bank immediately — NCA debt restructuring and payment holidays are available before legal action starts.
Use a Bond Originator — It's Free
Bond originators (ooba, BetterBond, Finance EzyFind) submit your application to multiple banks simultaneously at no cost to you. This gives you competing offers, typically securing a 0.25–0.5% lower interest rate than applying to one bank directly — saving you tens of thousands over the bond term.
Your Bond Is More Than Just a Loan
Paying extra into your home loan does two powerful things simultaneously: it cuts your interest bill and builds an accessible emergency savings pool — all at your home loan interest rate.
Extra Payments = Your Hidden Emergency Fund
Every extra rand you pay into an access bond reduces your daily interest charge AND sits available as a revolving pool you can draw on any time.
Saves Interest Daily
SA banks calculate bond interest on your daily closing balance. Every extra rand in your bond reduces the balance that interest is charged on — starting immediately and compounding over the full remaining term.
Accessible via Your Banking App
With an access bond (FNB, Absa, Standard Bank, Nedbank), your extra capital is visible in your banking app under your home loan account. You can see exactly how much surplus capital you have built up and request a withdrawal at any time.
Outperforms a Savings Account
Money in a savings account earns ~7–8% interest. Money in your bond saves 11.75% interest. Storing your emergency fund in your access bond is mathematically better than a savings account — tax-free, no fees, same-day access.
Fund Renovations on Demand
Paid R50,000 extra into your bond over 3 years? That R50,000 is available instantly for a kitchen renovation, solar installation, or unexpected repair — at your bond rate, not at a 20%+ personal loan rate.
No Fees to Access Your Surplus
Unlike taking a new loan, drawing on your access bond surplus has no application fees, no new credit checks, no attorney costs. Most banks process the withdrawal within 1–2 business days via the app or internet banking.
Protects Against Rate Increases
When the prime rate rises, your bond repayment increases. If you have built up surplus capital in your access bond, your bank may allow you to use it to cover the shortfall — acting as a buffer against rate hikes without needing to take new credit.
HomeVision: Register More Than You Borrow
HomeVision (offered by all major SA banks) lets you register your bond for a higher amount than your actual loan. The surplus is a pre-approved revolving facility — accessible whenever you need it, without going through the lengthy and expensive process of registering a new bond.
Key Benefits
No Upfront Costs for Unused Funds
You only pay interest and fees on the portion of the extra money you actually use. The registered surplus costs you nothing until you draw on it.
No New Bond Registration Required
Once registered, you never need to re-register with the Deeds Office to access more capital. Draw funds directly through your banking app — no attorneys, no waiting weeks.
Discounted Legal Fees (up to 50%)
Many banks offer discounts of up to 50% on attorney bond registration fees when you register a higher amount upfront. Registering for R200k extra now is far cheaper than registering a new bond in 5 years.
Future-Proofing Your Finances
Saves significant time, cost, and administrative burden for any future financial need — renovations, solar, studies, emergencies. The facility is already in place before you need it.
What Can the Funds Be Used For?
How HomeVision Works — Step by Step
Apply at Bond Origination
You must apply for HomeVision when you first take out your home loan. It generally cannot be added to an existing bond later. Tell your bank or bond originator you want a HomeVision facility at application stage.
Pay Only on What You Borrow
Your monthly repayments are calculated on your actual loan amount, not the higher registered amount. If you borrow R1.35m but register for R1.55m, your monthly repayment is based on R1.35m only.
Draw Funds Whenever Needed
When you need the funds, apply for a readvance through your banking app or branch. The bank conducts a quick property valuation and affordability check, then releases the funds — typically within a few days, with no new bond registration required.
Frequently Asked Questions
Answers to the most common home loan and bond questions in South Africa.
How much deposit do I need for a South African home loan?
How does extra payment on a bond work in South Africa?
What is the prime lending rate and how does it affect my bond?
What is the difference between a 20-year and 30-year bond?
What is an access bond and should I get one?
How are bond registration and transfer duty costs calculated?
Can I pay off my South African home loan early?
What documents do I need to apply for a home loan in South Africa?
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Rates are indicative and subject to change without notice. Finance EzyFind is a free comparison and matching service — not a lender or credit provider. All lending is subject to the National Credit Act (NCA). Please borrow responsibly.
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