Remove it
Frees space for a larger shower or storage. Removal is cheap; what replaces it drives the cost.
Primary bathrooms
Primary Bathroom Renovation Cost Factors
Primary bathrooms cost more to renovate than hall baths for a handful of specific reasons. Here is what they are and how each one affects the scope.
What drives primary bathroom cost
The cost of a primary bathroom renovation is driven mostly by layout changes, the size and build of the shower, what you do with the tub, how much tile goes on the walls, and the vanity. Square footage matters, but a large room that keeps its plumbing in place can cost less than a smaller one where everything moves. The more trades a decision touches, the more it moves the number.
Primary bathrooms (many people still call them the master bath) also tend to carry more fixtures than other rooms: two sinks, a separate tub and shower, sometimes a toilet room. Each of those is its own small project. The primary bathroom remodeling page covers how we scope the whole room; this post focuses on the choices that weigh most.
1. Keeping or changing the layout
This is the biggest factor. Most Dallas-area homes sit on a concrete slab, so moving a drain means cutting and re-pouring concrete, running new drain lines and passing an inspection before anything goes back. Swapping a corner garden tub for a large walk-in shower, a common request in 1980s to 2000s suburban homes, almost always moves at least one drain.
Moving walls has a similar effect. Enlarging a toilet room, removing a soffit or opening up a closet adds framing, drywall, electrical and sometimes HVAC work.
2. The shower
In most primary bath renovations the shower takes the largest single share of labor. The factors that move it:
- Size. A bigger shower means more waterproofing, more tile and larger glass.
- Curb or curbless. Curbless on a slab requires recessing the floor, which is concrete work a low curb avoids. Our walk-in shower page explains both builds.
- Drain type. Linear drains allow a single-direction slope and large floor tile, and cost more than a center drain.
- Valves and heads. A thermostatic valve, handheld on a slide bar, rain head or a second shower head each add rough-in and trim.
- Built-ins. Benches and niches need framing, waterproofing and careful tile work.
- Glass. A single fixed panel costs less than a door with multiple panels.
3. The tub decision
You have three broad paths, and each costs differently.
Replace in place
An alcove or drop-in tub in the same spot keeps plumbing where it is. Tile deck or surround work adds labor.
Go freestanding
Needs a floor-mounted filler or wall spout, often a relocated drain, and a floor strong and level enough to carry the filled tub.
If you are unsure whether to keep a tub at all, think about who uses it now and whether another bathroom in the house has one. Removing the only tub in a home is a bigger decision than removing one of two.
4. Tile coverage and format
Tile cost is as much about labor as material. Three things push it up:
- How much wall is tiled. Floor-to-ceiling shower walls and a tiled accent wall behind the vanity add square footage and time.
- Tile size. Large-format porcelain looks clean but needs a very flat substrate and two people to set. Small mosaics take longer per square foot.
- Pattern. Herringbone, chevron and diagonal layouts create more cuts and more waste than a straight or offset layout.
On North Texas slabs, crack-isolation membrane under floor tile adds a line to the budget but protects the finished floor from foundation movement.
5. Vanities and countertops
Primary baths usually get a double vanity or two separate vanities. The cost drivers are width, whether the cabinet is stock, semi-custom or custom, the countertop material, and whether the plumbing for a second sink already exists. Replacing an old cultured-marble top with quartz or natural stone also means new sinks and faucets.
Sizing affects cost too: a width that doesn't match a stock cabinet pushes you toward custom or filler panels. The dual vanity sizing guide covers widths and sink spacing.
6. Lighting, ventilation and comfort upgrades
Primary bathrooms are where people add the extras, and each one brings electrical work:
| Upgrade | What it involves | Cost weight |
|---|---|---|
| Layered lighting | New recessed cans, vanity lights, shower light, dimmers | Moderate; more if ceilings are hard to reach |
| Heated floor | Mat or cable under tile, thermostat, dedicated circuit | Moderate; depends on panel capacity |
| Larger exhaust fan | Fan sized to the room, ducted outside | Low to moderate; higher with long duct runs |
| Soffit removal | Reframing, rerouting anything inside, drywall | Moderate; varies with what's hidden inside |
| Outlets in drawers or cabinets | Added circuits and in-cabinet power | Low |
Humid Dallas summers make the fan upgrade the one we'd least want to skip. Lighting is worth planning in layers, with side light at the mirrors, so the boxes go in during rough-in rather than as an afterthought.
7. The condition of what's behind the walls
Primary showers in older homes have often been leaking slowly for years. Soft subfloor, damaged framing or a failed pan liner only show up during demolition. Pier-and-beam homes in established neighborhoods can also need floor framing work before tile goes down. A contingency in the budget covers this; our guide to how remodel estimates work explains how we handle it.
How to keep the cost in proportion
Decide the layout first
Everything else depends on whether plumbing moves.
Spend on the shower build
Waterproofing, valve and drain are hard to change later.
Pick finishes after the scope is set
Tile and fixtures are the easiest place to adjust if the total runs high.
Order early
Glass, custom vanities and some tile have long lead times that can stall the job.
Planning a bathroom project? Call and tell us what you have in mind. We'll talk through scope and arrange a visit. Open daily 7 AM to 10 PM.
Planning a remodel in Dallas?
Talk to us about your bathroom
If this guide raised questions about your own project, call us and we'll talk it through. You can also read how we handle primary bathroom remodeling.
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