Bathtub Replacement Cost: Tubs, Surrounds & Labor
A like-for-like alcove bathtub swap runs $1,500 – $4,500 installed. The tub itself is only part of it: an acrylic or steel tub is $300 – $1,200, while cast iron or a freestanding model is $2,000 – $6,000. A freestanding tub with floor plumbing reaches $3,500 – $8,000. Here is what each piece costs and what wrecks budgets.
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| Job | Installed range | Note |
|---|---|---|
| Like-for-like alcove swap | $1,500 – $4,500 | Same spot, reuse drain location, new tub |
| Tub plus new surround | $2,500 – $6,500 | Tub and three walls in one project |
| Freestanding tub with floor plumbing | $3,500 – $8,000 | Floor-mounted drain and supply runs |
| Drop-in tub in a deck | $3,000 – $7,000 | Framed platform plus the tub |
| Material | Unit price | Note |
|---|---|---|
| Acrylic or fiberglass | $300 – $1,200 | Light, common, easiest to install |
| Porcelain-enameled steel | $300 – $900 | Durable, heavier than acrylic |
| Cast iron | $500 – $2,000 | Very heavy, often needs two installers |
| Freestanding (acrylic to stone) | $1,000 – $6,000 | Statement piece, floor plumbing required |
| Item | Range | When it applies |
|---|---|---|
| Tub surround (panels to tile) | $800 – $3,000 | Acrylic panels at the bottom, tile at the top |
| Drain relocation | $500 – $1,500 | New layout or freestanding placement |
| Subfloor / framing repair | $300 – $1,500 | Rot found once the old tub is out |
| New tub/shower valve | $225 – $600 | Replaced while the wall is open |
| Demo and haul-away | $300 – $900 | Cast iron tubs are cut out in pieces |
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What a like-for-like swap includes
The cleanest, least costly replacement is pulling an old alcove tub and setting a new one in the same opening, reusing the existing drain location. That job runs $1,500 – $4,500 installed and covers demo of the old tub, any surround removal needed for access, setting and leveling the new tub, connecting the drain and overflow, and finishing the seam where the tub meets the wall. That final seal is the same job our guide to caulking a bathtub walks through, and it is what keeps water out of the new wall. Most of the spread comes from the tub material and how the old surround comes off. If you are weighing whether to keep a tub at all, our tub-to-shower conversion guide compares that path before you commit to another tub.
You generally want to replace the tub/shower valve while the wall is open, since reaching it later means cutting back into finished tile. A fresh pressure-balancing valve and trim is $225 – $600. If the old valve already drips or runs unevenly, our shower valve replacement guide shows why doing it now is the cheaper sequence.
The tub: material drives the unit price
Acrylic and fiberglass tubs ($300 – $1,200) are the common choice: light, warm to the touch, and easy for one installer to set. Porcelain-enameled steel ($300 – $900) is harder-wearing but heavier and noisier. Cast iron ($500 – $2,000) is the heaviest, holds heat well, and usually needs two people plus reinforced framing, which adds labor.
Freestanding tubs span $1,000 – $6,000 for the unit alone, from basic acrylic soakers to stone-resin and copper statement pieces. The price is only half the story: a freestanding tub almost always needs floor-mounted plumbing, which is a different and pricier install than an alcove tub that hides its drain in the wall. Decide the tub type early, because it dictates the whole plumbing approach.
Surrounds: panels to tile
The three walls around an alcove tub are their own line item, $800 – $3,000. Acrylic or composite surround panels sit at the bottom of that range, install fast, and have no grout to maintain. Tile sits at the top, costs more in labor, and demands proper waterproofing behind it, the same membrane-and-seam work that protects a shower wall from hidden rot.
If you are replacing the tub and the surround together, price them as one project ($2,500 – $6,500) rather than two visits. Tearing the surround off to swap the tub and then redoing only the tub means you handle the wall twice. Doing both at once also lets the plumber address the valve and any drain changes while everything is open.
Freestanding tubs and floor plumbing
A freestanding tub is the upgrade that changes the plumbing geometry. Instead of a drain hidden in the wall, the supply and drain come up through the floor, which means new rough-in below the bathroom: a floor-mounted drain, a freestanding filler or floor-mounted faucet, and supply lines routed to the tub location. That work pushes a freestanding install to $3,500 – $8,000 all in.
On an upper floor, the plumber works from the ceiling below or opens the floor; on a slab, the drain routing is set in concrete and harder to change. The weight matters too: a filled stone or cast-iron freestanding tub is heavy, and some floors need reinforcement. This is a project to plan, not a same-week swap.
What destroys the budget
Two things turn a clean quote into a bigger bill. The first is hidden rot. Old tubs leak slowly at the drain, the overflow, or the wall seam, and the damage hides under the tub and behind the surround until the old unit comes out. Rotted subfloor or framing adds $300 – $1,500 to repair, and it is not optional, since a new tub cannot sit on a soft floor.
The second is moving the drain. Reusing the existing drain location keeps costs down; a new layout or a freestanding tub that needs the drain in a different spot adds $500 – $1,500. If your old tub showed any sign of a leak, like a leak that traveled to a ceiling below or staining at the base, tell the plumber up front so the quote already accounts for the repair instead of becoming a mid-job surprise.
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