you don't give dimensions, or we don't know what quality fittings are included, but that is the ballpark price to get somebody in to do the work.
My only advice is to make sure you are happy with the quality of the work you will get, especially the tiling, if you are getting a lot done.
If you think about it, you might be paying 600-1000 for tiles, and the same again or more on suite/shower taps.... so in some respects it is correct that you pay for these.
There are plenty of cases of people not paying suppliers, or complaining about work and fighting over prices etc, after the fact, so the tradesman needs you to show some trust too.
Get your quotes in writing and make sure they are detailed enough.