Estate PlanningWealth Planning

Cash flow Modelling: A Clearer View of Your Financial Future

2 Sept 2024|5 min read
Sean Lowson
Chartered Financial Planner

Cash flow modelling incorporates all sources of income, including salaries and investment income as well as liabilities and taxes, creating a comprehensive picture of your family’s wealth.

The real value of cashflow modelling comes from its ability to plot your future cash flows – both incoming and outgoing. Using projections, you can make more informed financial decisions; allowing you to calculate whether your current and future financial and lifestyle objectives are achievable, such as your planned retirement date. The availability of this information is vital if your financial plan is to be of value, now and in the future.

Cash flow modelling allows a financial planner to identify areas of risk in the plan and allows for more targeted conversations about your goals such as “if you save an extra £x per month you could retire at your target date, otherwise you may need to work an extra x years or increase your contributions”.

Significant lifestyle events such as a potential shortfall in the level of your targeted retirement fund, or a shortage of funds to cover an unplanned capital expense such as a wedding or a house deposit for a child would also be clearly highlighted. By identifying any gaps early enough your financial planner can adapt your financial plan accordingly; by restructuring your investment and savings strategy or by providing new ideas on how to generate additional sources of tax efficient income.

Even more importantly, cash flow modelling brings financial planning to life in a way that numbers in a written recommendation never could.  

Let’s look at a simple example.

 Mr Client is aged 50:

  • earns £100,000 a year, contributing 5% of this into his pension; his employer also contributes 5%
  • existing pension fund is currently valued at £500,000
  • existing ISA portfolio worth a further £100,000
  • estimates that a £50,000 retirement annual income will provide him with the retirement lifestyle he wants.

Mr Client also wants to understand the impact of retiring at different ages in his lifestyle in retirement. Using cash flow modelling we have been able to forecast two different retirement scenarios: one at age 55, and one at age 60.

Source: Waverton

At retirement age 60, the cash flow model confirms that Mr Client will have enough money to enjoy his desired annual income of £50,000 (rising with inflation) until he is aged 90.

In the above, it shows his ISAs (green bars) being used to fulfil his expenses before his pension gets drawn from age 63. The state pension (teal) also starts from age 68.

Source: W1M

However, if he chooses to retire at age 55 the cash flow model projects that his money will run out at age 77. He misses out on a further 5 years of pension contributions plus an additional 5 years of growth of his investments.

In this scenario he would need to use investments to top up income to his target of £50,000. All of these financial factors will have a knock-on impact, which the cashflow model highlights. If 55 is still his desired target retirement age, then Mr Client’s planner could recommend and implement a strategy to meet that objective.

The above example is obviously simplistic, but it hopefully demonstrates the real power that being able to model your finances into the future can have. This becomes even more valuable – and complex – when more individuals and investment and pension accounts are involved. Cash flow modelling should now be at the core of your financial planning to provide a holistic view of your current and future financial position.

Disclaimer: Cash flow modelling requires a set of assumptions about the future such as inflation and investment growth forecasts. The risk of errors can be easily mitigated through regular reviews of the model and a reassessment of the assumptions used. Key assumptions used: Inflation: 2.5%, Investment Growth Rate: 5%, Model created on 22/08/24, using tax rates and pension rules applicable at that time.

Any expressions of opinion are those of the author and not necessarily those of the firm.  This article does not constitute advice, and a full assessment would need to be completed by one of our specialist advisers to understand an individual’s circumstances. Please remember that the value of investments can fluctuate, and you may get back less than you invested.  Past performance is not necessarily an indicator of future returns. W1M Wealth Planning LLP is authorised and regulated by the Financial Conduct Authority of 12 Endeavour Square, London E20 1JN, with firm reference number 529061 and is registered in Scotland, Company Number SO302894.

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