Set a budget
Define your goals and priorities
Measure the bathroom
Create a layout plan
Check plumbing and electrical needs
Obtain permits if required
Choose materials and fixtures
Select a contractor or decide on DIY
Remove old fixtures and finishes
Inspect and repair subfloor, walls, and framing
Update plumbing and electrical rough-ins
Install insulation and drywall
Waterproof wet areas
Install flooring
Install shower, tub, vanity, toilet, and sink
Install lighting, mirrors, and accessories
Paint and finish surfaces
Caulk and seal joints
Test all fixtures and systems
Clean up and inspect the completed bathroom