I want a new bathroom

We live in a small house. There's only one full bathtroom in the house. It's a small one too. For the longest time, I've been trying to convince my husband to do a full remodeling project for the one and only bathroom in the house. For few weeks, I have been scouring the internet to find some ideas. What I want is a simple and clean look. Something that feels airy. More like these below:







Image 1 - 4: My Home Ideas
Image 5: Apartment Therapy