if this person has been recommended to you or you have seen his/her work that seems very reasonable.
did you get alternative quotes to compare with? or maybe ask the person how long it will take and see if you feel the day rate comparison is fair (to both of you)
my plumbing mates will not touch a bathroom for less than �400/450 cash. that is swopping like for like with not much pipe re routeing, labour only,
i am inclined to think the price is on the cheap side now, because the tiling is so time consuming.
we had a new kitchen fitted at xmas and the company wanted �650 ,labour only, to lay 26 sq. mts of floor tiles