What-If Scenarios
Explore hypothetical models to understand the impact of different financial decisions.
Mortgage Overpayment
See how an extra £100 a month could shave years off your mortgage term and save thousands in interest.
Credit Card Consolidation
Illustrating the mathematical impact of moving high-interest card debt to a lower-interest personal loan.
Interest Rate Stress Test
Model how a 1.5% or 2% increase in interest rates would impact your monthly repayments.
Snowball vs Avalanche
Compare the two most popular debt payoff strategies to see which fits your psychological profile.
Why Model Financial Scenarios?
Informed Decision Making
Financial decisions are often complex and long-term. Modelling different scenarios—such as overpaying a mortgage versus consolidating credit card debt—allows you to see the mathematical outcome of your choices before you commit. This transparency helps in prioritising which debts to tackle first based on your personal goals.
Understanding Interest Impact
Most people understand that interest is a cost, but few realize the cumulative impact it has over 20 or 30 years. Our scenarios are designed to illustrate 'compound interest in reverse'—how reducing your principal early can save you tens of thousands of pounds in the long run.
How to use these models
Start by selecting a scenario that matches your current financial situation. Use our calculators to input your specific figures, and compare the 'baseline' (doing nothing) against the 'what-if' (making a change). Remember, these tools are for illustrative purposes and should be used as a starting point for further research.
Regulatory Disclaimer
These scenarios are for illustrative purposes only. They are based on mathematical formulas and do not account for individual financial circumstances, credit scores, or specific lender policies. These guides do not constitute financial advice.