Direct answer
Start with the complete cost.
A lower payment can come from a lower rate, a longer amortization, a smaller balance, or a different housing budget. These routes do not have the same total cost. Compare the dollars paid over time—not only the next payment.
Why this matters
The payment is only one outcome.
Monthly relief can protect savings and prevent new debt. But stretching a balance over more years may turn short-term breathing room into a larger lifetime bill.
Paths to compare
There may be more than one useful route.
- Review the household budget and non-mortgage housing costs first.
- At renewal, compare the current lender's offer with other suitable options and all switching costs.
- Use permitted prepayments to reduce the balance when emergency savings and expensive debts are already addressed.
- Consider moving or downsizing when the property itself is the unaffordable part.
When mortgage financing may help
Changing the mortgage may help when a demonstrably better structure creates sustainable cash flow after penalties, fees and added interest are counted.
When it may not help
It may not help when the payment problem comes from an ongoing budget gap, the new term merely postpones repayment, or changing lenders costs more than it saves.
Risks and trade-offs
Pressure-test the appealing option.
- A longer amortization can increase total interest.
- Breaking a closed mortgage may trigger a prepayment charge.
- A lower rate is not automatically a lower all-in cost.
Decision checklist
Gather the evidence before deciding.
- ✓Current balance, rate, term and remaining amortization
- ✓Renewal date and prepayment charge
- ✓Property taxes, insurance, utilities and maintenance
- ✓Emergency fund and higher-interest debts
- ✓Total cost of each option over the same time period