Keep the bath in use as you make small changes. Add good light by the basin, so...

https://www.social-bookmarkings.win/a-bathroom-can-feel-fresher-without-a-full-renovation-keep-the-layout-fix

Keep the bath in use as you make small changes. Add good light by the basin, so tenants can get ready with ease. Use a slim shelf or mirrored unit for daily kit. Measure first, then order, so each new item fits and works well for tenants.