In short
- A transfer only wins if the total saving outweighs the total cost of switching.
- Compare across the remaining tenure, not the headline rate.
- A fresh tenure on the same balance can raise total interest even at a lower rate.
What a transfer actually does
A balance transfer is not a discount applied to your existing loan. A new lender repays the old one, and a fresh loan begins on new terms — with a new tenure clock, and, for a property-backed loan, a mortgage re-created in favour of the new lender. Everything is read afresh.
The saving
The saving is roughly the difference in rate, applied to the outstanding balance, for the time that remains. That last part is what people skip. A lower rate on a small balance with only a few years left produces a small saving.
The cost
- Closure or foreclosure charge payable to the current lender, if the terms include one.
- Fresh processing fee from the new lender.
- Legal and valuation charges, since the property is re-assessed.
- Insurance and other conditions the new lender may require.
The hidden variable: the tenure reset
A new loan usually means a new tenure. If the switch also lengthens the loan — say, from eight remaining years back to twenty — the monthly instalment falls, but the total interest paid can rise even though the rate is lower. A lower instalment and a lower cost are not the same thing.
Never compare two transfers on rate alone, and never on instalment alone. Compare the total cost to the end of the loan under each option.
When it usually makes sense
- A large outstanding balance.
- A meaningful portion of the tenure still remaining.
- A genuinely lower rate, not a marginal one.
- A healthy repayment record, which is the strongest part of the case.
When it usually does not
- A small remaining balance, where fees absorb the saving.
- A short remaining tenure, leaving little time for a lower rate to work.
- A switch motivated by repayment difficulty rather than by terms — that solves the symptom, not the problem.
How to compare honestly
Ask your current lender for the foreclosure and prepayment terms in writing. Ask the new lender for the full schedule of costs. Then compare the two options by the total amount payable from today to the end of the loan, and by the total interest — not by the advertised rate or the new instalment.
Questions this raises
Will a balance transfer affect my credit record?
- The transfer is recorded, but a clean repayment history across both loans is read positively. It is a change of lender, not a mark against you.
Can I transfer only part of my loan?
- Generally no. A balance transfer moves the whole outstanding balance to the new lender.
Is a top-up the same as a transfer?
- No. A transfer moves an existing loan; a top-up adds borrowing, usually against equity you have already built. They can be taken together, but they are different things.
Read the full guidance on balance transfer & top-up.