None of these three is universally “better”, each is a different trade-off between certainty and flexibility. Splitting isn’t automatically the best of both worlds either: the fixed portion still carries fixed-rate restrictions, and the variable portion still carries full rate-change risk.
Side by side
| Feature | Fixed | Variable | Split |
|---|---|---|---|
| Rate movement | Fixed for the agreed term, subject to contract | Can move up or down at any time | Fixed portion fixed; variable portion moves |
| Repayment certainty | Higher during the fixed period | Lower certainty | Partial certainty |
| Extra repayments | Can be restricted or capped by lender/product | Often more flexible | Variable split usually more flexible; fixed split rules still apply |
| Offset / redraw | Can be limited or unavailable | Common but product-specific | Features can attach to the eligible split(s) only |
| Early exit | Break cost may apply | Generally no fixed-style break cost, but discharge/other fees may apply | Fixed portion may still create a break cost |
When each tends to suit
Fixed suits budget certainty or a genuine preference to know exactly what you’ll pay. Variable suits flexibility, feature use (offset, redraw, uncapped extra repayments) and a willingness to accept rate movement. Split is genuinely about combining some certainty with some flexibility, not eliminating the downsides of both. A split loan is two loan accounts under one facility, each with its own rate, features and rules, so it’s worth modelling each portion separately rather than as one blended number.
What to prepare
- An honest view of how much repayment-amount certainty you actually need
- Whether you rely on offset, check it’s available (and to which split) before assuming it carries over
- Your expected extra-repayment behaviour, since fixed products can cap it
Next step: see the full Loan Feature Explorer for each feature in detail, then talk with KartikKumar about which structure fits your situation.