I have a three bed townhouse. Top floor has en-suite,middle floor has a family bathroom and ground floor with a small toilet. I would like to rip this out and replace with a small laundry washing machine, tumble dryer and a pulley maid. My mum thinks I will devalue the house doing this and it will be inconvenient for the kids. I’m looking to move in the next five years but don’t want to be running to the laundrette to dry clothes till then. AIBU