"Charges are an increasingly important factor for investors, and rightly so, as the greater transparency of fund costs is allowing investors to see more clearly how much they are paying for their fund manager's expertise," said Philippa Gee, a wealth manager. "While you might expect the annual fee of an active fund to be at least 1.75pc, or much higher for certain specialist funds, a tracker fee could be as low as 0.2pc, depending on which index it is covering."