The average mortgage fee has shot up 70.3 per cent in the past four years, according to research from Moneyfacts.co.uk.
The data firm recorded an average fee of £899 a year before base rate fell to 0.5 per cent, in March 2009, to its current level of £1,514.
The average two-year fixed fee is £1,595 while the average five-year fixed rate fee is £1,014.
At the upper end of the scale, the largest fee is a five-year fixed rate at 3.79 per cent up to 75 per cent LTV, which carries a fee of £3,990.
Moneyfacts.co.uk spokeswoman Sylvia Waycot says: “There is no logical reason why fees should have increased so much. In the space of just August and September alone, they have increased by an average of £42.
“Mortgage administration costs cannot have jumped 70 per cent. Credit searches are no more complex than in previous years, so why are fees so high?
“It could be that lenders are keen to push fees because they are an upfront cost, which means they get the money at the start regardless of fulfilling the full length of a fixed term.”