Originally Posted by
armouredant
Isn't the £35 cancellation fee capped at the amount of taxes and charges paid? So if you paid £4.10 taxes and charges for a flight, but later cancel it, it's only the £4.10 you lose.
Yes, which is why
linzbh's advice is true in many cases.
But in this case, something like £39.10 has been paid, so the full £35.00 cancellation fee would be payable for a cancellation. In that case, the OP might just as well pay the change fee of £35.00 and have done with it.