Remodeling services
Bathtub replacement: getting it out is half the job
Removal, tub types, the tile you lose at the flange, and the questions that separate bids. Plan your remodel: tell us the project and a person replies.
Plan Your Remodel What it costs
Written by HyreRemodel Research Desk Primary-source research and fact checking
The short answer
Bathtub replacement removes an old tub and sets a new one, with its drain, overflow and spout, in the same spot.
Half the work is access: an alcove tub is locked in by the wall tile over its flange, and cast iron may need breaking up to leave the room, so the lower tile and the route through the house shape the job.
What decides a bathtub replacement?
An alcove tub has a lip that runs up behind the wall finish. Expect the bottom rows of tile or the whole surround to come off.
Door widths, tight turns and stairs decide which tub fits, and how the old one leaves.
A filled cast-iron or stone tub is heavy; a freestanding one concentrates load on its feet. Ask whether the floor framing has been checked.
Plan your bathtub replacement
Free, with no obligation. A person at HyreRemodel replies by email. Matching with remodeling contractors is not live yet.
What does a bathtub replacement include?
Door, hall and stair widths checked against the new tub before it is ordered.
Lower tile and backer removed, and the access panel or wall behind the drain opened. In a home built before 1978, painted surfaces are lead-safe work.
Disconnect drain and overflow, then lift out or break up a cast-iron tub.
Subfloor repaired where a leak rotted it; a mortar or foam bed set where the maker requires one.
New drain and overflow, spout matched to the valve, and the tub leveled and fastened.
Backer, waterproofing and tile tied back over the flange, then caulk.
Which bathtub type are you replacing with?
| Type | What it changes in the job |
|---|---|
| Alcove (three walls) | Same footprint as most old tubs. Tile at the flange is redone. |
| Drop-in | Sits in a framed deck. Deck framing and finish are part of the job. |
| Freestanding | Needs a floor-mounted or wall filler and a drain where the tub sits, often a move. |
| Material | Acrylic and fiberglass are light. Enameled steel is middle. Cast iron is heavy and may need extra hands or a floor check. |
| Liner or reglaze instead | An acrylic liner over the old tub or refinishing it skips removal entirely, if the old tub is sound. |
What permits and code apply to a bathtub replacement?
Many cities permit a tub replacement as plumbing work; some exempt a like-for-like swap. Ask yours.
2021 International Residential Code P2713.3 limits the hot water delivered to a bathtub or whirlpool tub to 120°F by a device meeting ASSE 1070 or similar. A new filler may need one.
If the tub has a shower, the combined valve must meet the anti-scald rule in P2708.4.
A tub enclosure door must be safety glazing under R308.4.5.
A heavy tub on old framing is a structural question; have a licensed contractor or engineer confirm.
What changes the budget of a bathtub replacement?
No prices here. See what drives a remodeling budget and the calculator below.
| Factor | Why it changes the number |
|---|---|
| How much wall comes off | A few rows of tile to the whole surround; matching old tile is often impossible, which pushes toward redoing it all. |
| Removal and haul-out | Cast iron weighs much more than acrylic and may be broken up on site. |
| Tub type and material | Moving to freestanding usually moves the drain. |
| Floor repairs | Old tubs often leaked at the drain. |
| Valve and filler | A new trim may not fit an old valve. |
HyreRemodel publishes no national average price for this work. Size, finish level, whether plumbing, wiring or walls move, the age of the house and regional labor rates move it far enough that a single figure would mislead.
Is the old tub itself the problem?
If the tub is cracked, rusted through or the wrong shape, replace it. If it is sound and only dated, refinishing or a liner avoids the wall work, and a proposal should say why it rejects that option.
How to compare bathtub replacement bids
Your inquiry
Tell us about the remodel
Nothing goes to a remodeling contractor unless you agree.
Free, with no obligation: a person at HyreRemodel reads your request and replies by email. Matching with remodeling contractors is not live yet, so this is not a quote, and nothing goes to a contractor unless you agree.
Plan Your Remodel
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Questions
Can a bathtub be replaced without removing tile?
Will a new tub fit through my door?
Is a freestanding tub a straight swap?
Should I convert to a shower instead?
Does HyreRemodel replace bathtubs?
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