Tracker Mortgage Risk 2026
Verdict
The fix (4.5%) is cheaper than the current tracker (5.24%).
Confidence: High
Break point: Tracker wins only if BOE cuts rates by 0.74pp or more.
The rate decision
The tracker starts cheaper at current BOE rates — but every 0.5% rise erodes that advantage and the fixed rate gives certainty.
The fixed rate of 4.5% is clearly more advantageous than the current tracker rate of 5.24%, as it provides payment certainty and eliminates the variability risk associated with fluctuating interest rates. By locking in the lower fixed rate, borrowers can avoid potential increases in their monthly payments that could arise from future rate hikes, ensuring predictable budgeting and financial stability. In contrast, the tracker rate exposes borrowers to the possibility of escalating costs, making the fixed option the more prudent choice for those seeking to mitigate financial uncertainty. Therefore, opting for the 4.5% fixed rate is a decisive move towards safeguarding against future interest rate volatility.
The rate backdrop
The fixed rate locks in certainty; the tracker passes every BOE move directly to your monthly payment.
In the current Bank of England base rate environment, where the base rate is set at 4.5%, opting for a fixed-rate mortgage at this level is more cost-effective than a tracker mortgage currently priced at 5.24%. This disparity arises from the inherent tracker risk, as tracker rates are directly linked to the base rate and can increase if the Bank of England raises rates further, leading to potentially higher payments over time. With inflationary pressures and economic uncertainties prompting the Bank to consider future rate hikes, locking in a fixed rate now provides stability and predictability in monthly payments, making it a more attractive option for borrowers seeking to mitigate exposure to fluctuating interest rates.
Worked example
Assumptions (illustrative): £200,000 mortgage · Fixed 4.5% vs Tracker 5.24%
| Option | Monthly payment | After 0.5% rise |
|---|---|---|
| Fixed (4.5%) | £1,112 | £1,112 (unchanged) |
| Tracker (5.24%) | £1,197 | £1,257 |
At current rates, the fixed is cheaper by £86/month. A 0.5% BOE rise would move the tracker to £1,257/month.
When this flips
This flips only when BOE rates move by more than 2.0pp in the direction that disadvantages the current choice. The certainty value of the fixed rate at 4.5% remains stable under current market conditions.
What to do next
| Your situation | Action | Why |
|---|---|---|
| Rates expected to rise | Fix now | Each 0.5% rise erodes the tracker advantage |
| Cashflow sensitive | Fix for certainty | Monthly payment volatility is a real cost for stretched budgets |
Sources and provenance
- ECB_Economic_Bulletin_2024_06.pdf
- FED_FSR_2024_11.pdf
- BIS_AR_2025.pdf
- boe_mpr_2026_02.pdf
Data as of: 2026-05-28
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Next step: Compare the full decision here: Fixed vs tracker mortgage.
