Cedar is generally your best option for anywhere wet.
Colin

Just an idea, perhaps you could get a custom cut piece of glass the same height as the window. You could incorporate the window trim around the mirror and window…

I agree go to a proper tile shop. Bunnings is just like Home Depot here in Canada. They have limited selection. You might be able to find a store that…

A simple option could be to raise the height of the sub floor in the rest of the bathroom so it sits higher than the shower area. At the door…

Looks good! The window restricts you a bit with layout options. The only other space saver you could consider is ditching the vanity and installing a corner vanity to open…

I would just buy it! I can tell you from experience that you''ll save money buying it from somewhere like Bunnings instead of making it yourself. Once you add up…