Cost of Waiting to Invest Calculator
Delay in saving isn't neutral — it compounds against you. Every year you wait to start doesn't just cost you that year's contributions; it costs you the compounding growth those contributions would have generated over decades. This tool puts a precise number on what waiting actually costs.
Most people have several financial goals running simultaneously — emergency fund, holiday, house deposit, new car. A useful hierarchy: (1) emergency fund first — it protects everything else; (2) check whether you’re capturing your full employer pension match; (3) clear high-interest debt; (4) then allocate remaining savings to life goals by priority.
Timeline determines account type:
- Under 12 months: Easy-access account — flexibility matters more than rate
- 1–3 years: Fixed-term bond or regular saver — better rates reward commitment
- 3+ years: Stocks & Shares ISA may significantly outperform cash over longer horizons (with market risk)
- First home: Lifetime ISA gives a 25% government bonus on up to £4,000/year — uniquely powerful for this specific goal
Use the Savings Finder to match each goal's timeline to the right product.
Irregular annual expenses — car insurance, Christmas, holidays, boiler service — work best as monthly sinking funds. Divide the annual total by 12 and set that aside each month automatically. They become predictable and fully funded before you need them. Treat each as a mini savings goal in this planner.