Refresh the bath, not the whole room. Keep it easy to use. Add good light by...

https://www.runway-bookmarks.win/refresh-a-rental-bathroom-without-a-full-renovation-by-updating-tired-fittings

Refresh the bath, not the whole room. Keep it easy to use. Add good light by the basin. Use a slim unit, hooks or a shelf for daily bits. Ask what tenants need