Comparing a 2.90% five-year fixed mortgage quote in Cape Town

I’m comparing mortgage offers for a Cape Town property purchase around ZAR 3,549,000. One quote is fixed at 2.90% for 5 years, but the advertised rate looked better before arrangement fees and the applicable loan-to-value tier were included.

What should I use for a fair comparison: APR, interest paid during those five years, or total cash cost including fees and any insurance attached to the offer? I’m also trying to understand how much weight to give portability and early-repayment terms, rather than simply choosing the lowest stated rate.
 
I would compare total cash paid over the five-year fixed period, while keeping the loan amount, repayment term and loan-to-value identical for every offer. Include fees paid upfront and fees added to the loan, because capitalised fees affect both the balance and interest. Then look separately at the remaining balance after five years. APR is useful for screening, but it can hide differences that matter within your actual comparison period.
 
A few missing details could change the answer: How large is the deposit, what is the full mortgage term, and are the arrangement fees paid in cash or financed? Also, is the insurance compulsory for that quote, and does its cost remain level? Without those points, the 2.90% figure cannot really be compared with another lender’s headline rate.
 
Agreed on getting those details, although I wouldn’t dismiss APR entirely. It is a decent first pass if every lender calculates and presents it on a comparable basis. I’d use it to narrow the field, then build a five-year cost comparison showing deposit, monthly payments, upfront charges, financed charges and the balance left at the end.
 
Your likely plans matter too. If there is a realistic chance of moving before the five years ends, early-repayment costs may outweigh a small rate advantage. Portability only helps if the lender would actually allow the loan to move to the next property under the circumstances at that time, so I would ask what remains subject to a fresh assessment rather than treating “portable” as unconditional.
 
One caveat to the total-interest approach: the offer with less interest during the fixed period is not automatically cheaper if it demands a large upfront fee. It may also leave a different outstanding balance because of how fees and repayments are handled.

A simple spreadsheet with one row per month should settle most of this. Run the offers to year five, then add two scenarios: selling early and keeping the property after the fixed rate ends.
 
I’d put monthly affordability ahead of a narrow five-year saving. Check the payment now, then test a meaningfully higher payment after the fixed period without assuming refinancing will definitely be available on favourable terms. The rate-reset risk is easy to overlook when the initial number is attractive. Any future refinance should be treated as an option, not the plan required to make the purchase affordable.
 
The practical next step is to ask each lender for the same set of figures in writing: initial loan balance, monthly payment, every fee and whether it is financed, insurance cost and status, early-settlement consequences, portability conditions, and projected balance after five years. Once those are aligned, compare both the five-year cash cost and the payment risk beyond year five. That should reveal whether the 2.90% offer is genuinely cheaper or merely presented differently.
 
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