Add the whole fee
Combine the charges that genuinely apply: platform, fund, advice and regular dealing costs. Keep one-off spreads or exit costs separate if they cannot be expressed as an annual percentage.
Free private illustration
Compare two all-in fee assumptions over the same period. The result isolates compounding fee drag; it does not predict investment performance.
Change every assumption
Illustrated fee difference
£12,816
more in Option A if all assumptions hold
Illustration only. It assumes a smooth annual return after the fee entered. Real returns vary, can be negative, and platform, fund, dealing, spread and advice costs may need adding together.
Combine the charges that genuinely apply: platform, fund, advice and regular dealing costs. Keep one-off spreads or exit costs separate if they cannot be expressed as an annual percentage.
A cheaper investment is not automatically suitable. Compare the same account type, exposure, service and trading pattern before treating cost as the deciding factor.
Need to turn a live tariff into an annual pound cost first? Use the flat-fee vs percentage-fee calculator. Then model contributions and compound growth, compare ETFs with index funds, or check the complete platform comparison process.