How To Start Bathroom Remodel

June 19, 2025
how to start bathroom remodel

Written by: Deane Biermeier / Facts Checked by; Ryan Cullenward / Products Tested by Licensed Interior Designers

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Remodeling a bathroom is one of the most rewarding home improvement projects. Whether you're upgrading a powder room, a master ensuite, or a family bathroom, a well-executed remodel enhances property value, aesthetic appeal, and daily comfort. Here is the ultimate guide on how to start a bathroom remodel, crafted to ensure every step of your journey is planned, efficient, and successful.

1. Define Your Bathroom Remodeling Goals

Before swinging a hammer, it's crucial to establish a clear remodeling vision. Ask yourself:

Do you need more space or better functionality?

Are you aiming for a modern, luxurious, or traditional style?

Is this remodel driven by necessity (e.g., leaks, mold) or aesthetics?

Make a list of must-haves vs. nice-to-haves. Think about:

Walk-in showers

Double vanities

Heated flooring

Freestanding bathtubs

Eco-friendly fixtures

This will guide the entire project and help in budgeting and material selection.

2. Establish a Realistic Budget

Setting a budget is more than just deciding on a number. Break it down into categories:

Demolition and Disposal

Plumbing and Electrical

Fixtures and Fittings (toilets, vanities, sinks)

Flooring and Tiling

Lighting

Labor Costs

Unexpected Expenses (set aside at least 10-15% for contingencies)

Always get multiple quotes from contractors and suppliers. Understand the cost vs. value of every item and keep a detailed spreadsheet.

3. Plan the Layout and Functionality

Functionality should dictate design. Analyze your current bathroom layout and decide:

Should the toilet or shower move?

Can you convert a tub into a walk-in shower?

Is there enough storage?

Are there ways to improve traffic flow?

Consider the classic plumbing triangle: toilet, sink, and shower/tub. Keeping these close to their current positions reduces plumbing costs.

Use digital planning tools or consult with a bathroom designer to visualize the space in 3D.

4. Select High-Quality Materials and Finishes

Choose materials that are durable, moisture-resistant, and timeless. Some of the best materials for bathrooms include:

Porcelain or ceramic tile (for floors and walls)

Quartz or granite countertops

Solid wood or PVC vanities

Tempered glass for showers

Brushed nickel or matte black hardware for a modern look

Avoid trends that may quickly date the room. Instead, prioritize classic, neutral finishes that can evolve with decor updates.

5. Hire the Right Professionals

Unless you're a highly experienced DIYer, a bathroom remodel often requires a team:

General Contractor

Plumber

Electrician

Tile Installer

Cabinetry Specialist

Check references, view portfolios, and verify licenses and insurance. Request a detailed written estimate and ensure the contractor understands your vision and timeline.

For complex jobs, an interior designer can also help align aesthetics with function.

6. Obtain Permits and Follow Local Codes

Most municipalities require permits for:

Moving or replacing plumbing

Installing new electrical wiring

Structural changes

Failure to obtain permits can result in fines, insurance issues, or problems selling your home. Your contractor should assist with this process, but it's your responsibility to ensure all legal requirements are met.

7. Create a Detailed Project Timeline

Timelines prevent delays and confusion. Outline each phase:

1. Design Finalization and Material Selection

2. Permit Approval

3. Demolition

4. Rough Plumbing and Electrical

5. Inspections

6. Drywall and Painting

7. Tiling and Flooring

8. Fixture Installation

9. Final Touches and Clean-up

Depending on the complexity, expect the remodel to take 3 to 8 weeks.

8. Begin with Safe Demolition

If you’re DIY-ing the demo, take proper precautions:

Shut off water and electricity

Use protective gear (gloves, goggles, respirator)

Dispose of debris responsibly

Be mindful of asbestos or lead-based paint in older homes. If in doubt, have the space tested before starting.

9. Upgrade Plumbing and Electrical Systems

A remodel is the perfect time to:

Replace outdated plumbing

Install water-efficient toilets and faucets

Add GFCI outlets for safety

Improve lighting with LED fixtures or dimmers

Upgrade to smart fans, mirrors, or heated towel racks

This is not an area to cut corners subpar plumbing or wiring can lead to costly repairs later.

10. Focus on Waterproofing and Ventilation

Water is your bathroom’s biggest enemy. Invest in:

Cement backer board behind tiles

Waterproof membranes for showers

Proper slope in floors for drainage

A high-efficiency exhaust fan to prevent mold and mildew

Good ventilation is critical. Consider installing a humidity sensor fan that turns on automatically.

11. Install Fixtures with Precision

Now comes the fun part. Install:

Toilets (prefer dual-flush or pressure-assisted)

Vanities with ample storage

Sinks (undermount or vessel)

Showerheads with adjustable settings

Tubs (if space allows)

Ensure everything aligns perfectly level surfaces, tight seals, and secure mountings are essential for longevity and appearance.

12. Add Finishing Touches

The little details bring the room together:

Frameless mirrors

Towel bars and rings

Shelving or recessed niches

Decorative lighting (sconces or pendants)

Coordinated color schemes for towels, rugs, and curtains

Don’t forget the importance of natural light—maximize it with frosted windows or skylights if possible.

13. Final Inspection and Punch List

Walk through your newly remodeled bathroom with your contractor:

Test all plumbing and electrical fixtures

Check for gaps in tile or grout

Ensure paint and caulking are clean and smooth

Note anything that requires touch-up

Don’t release the final payment until all agreed-upon work is completed to satisfaction.

14. Maintain Your New Bathroom

A remodel is an investment. Maintain its quality with:

Regular cleaning with non-abrasive products

Sealing grout annually

Monitoring for any signs of moisture issues

Keep warranties and receipts organized in case of future issues.

Conclusion

Starting a bathroom remodel can seem overwhelming, but with a detailed plan, quality materials, and the right team, it becomes a seamless transformation. From setting a vision to polishing the final tile, each step plays a crucial role in the success of your remodel. 

Disclosure: Sanitarysupply.org receives an affiliate commission on some, but not all, of the products we recommend—but only if you decide to click through to the retailer's site and make a purchase.


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How To Start Bathroom Remodel
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