Bathroom renovation costs are largely dependent on the size and scope of the renovation, but we can get a rough idea by working on a cost per metre squared basis. An average bathroom renovation will cost around €00 per square metre. Given that figure and the average size of a bathroom we can say that a typical bathroom renovation will cost around €0000.
Of course, there are many mitigating factors. For example, a renovation that requires no structural work will cost far less than one that needs said structural work.