One issue I had not thought of was if the macchine floods you will wreck your floor & ceiling below.
Found this on a website.
Can I install a washing machine in a bathroom?
A bathroom isn't an ideal place for a washing machine. For a start, if the bathroom is upstairs and washing machine flooded it could cause a lot of damage to the ceiling.
However, as far as the (UK) regulations go, it is OK to have a washing machine installed in a bathroom - as long as strict rules are adhered to. These rules are covered under the local authority regulations and need to be followed exactly. I don't have a copy of these regulations but one of the main criteria is that a person in the bath or shower (and presumably even on the toilet) should NOT be able to touch the washing machine. The washing machine should also be plugged in outside the bathroom and protected by an RCD.
If you must install a washing machine in a bathroom, seek out and consult the official regulations. Your local council will have them.
