Good color combinations all one color or two colors. For example, lamps, vanity and main door knobs, shower frames, shower and vanity valves, and towel bars brushed nickel, bronze, black, gold, and chrome.
A vanity with drawers and enough space.
A faucet with one handle.
Clean color countertop.
Vanity wall backsplash.
High comfort toilet.
Walking Shower with small or medium tiles and mosaic on the shower floor.
For a luxury ending, it could be added tile trimming or a glass tile accent.
Handicap Bar if you think you will need it.
A niche for soup, shampoo, etc.
LED lights dimmable and color adjustable.
A ceiling fan with light and Bluetooth.
If you prefer tubs a whirlpool is a wise choice for healthier Epsom salt baths.
Higher baseboards.
Bath floors were nonslippery surfaces would add up.