Replace, refinish, or convert
A structurally sound cast-iron tub in a Shandon, Rosewood, or Wales Garden home can be refinished for a fraction of a replacement and hold 3–7 years. If the tub is cracked or the surround shows water damage, refinishing hides a bigger problem, Midlands humidity year-round plus undersized bath fans common in older stock let slow leaks turn into subfloor rot.
In multi-bathroom Richland and Lexington county homes across Lexington, Irmo, Blythewood, Chapin, and Northeast Columbia, pricing a tub-to-shower conversion in parallel is worth it. Suburban Columbia alcoves convert cleanly and the walk-in shower is usually the more-used fixture in a primary suite.
Tub types and installed cost in Greater Columbia, SC
Most Columbia-area replacements are alcove tubs. Acrylic and fiberglass install fastest and dominate Lexington, Irmo, Blythewood, and Chapin subdivision stock. Cast-iron tubs are common in pre-1970 Shandon, Rosewood, Wales Garden, Melrose Heights, and Cottontown stock.
- Acrylic alcove tub (most common): $1,800 – $4,400 installed
- Fiberglass alcove tub: $1,600 – $3,500 installed
- Steel enameled alcove tub: $2,200 – $4,700 installed
- Cast-iron alcove tub: $3,500 – $7,000 installed (weight + labor)
- Drop-in tub with new deck: $4,400 – $9,100 installed
- Freestanding soaking tub: $5,700 – $12,400+ installed (plumbing usually moves; slab-cut adds cost in suburbs)
- Walk-in tub (accessibility): $8,200 – $15,900 installed
Source: Reference ranges for professionally installed, permitted bathroom projects across Greater Columbia, aggregated from full-service remodeler quote data ((HomeGuide, 2024), (Angi, 2024)) and adjusted for the local market using regional construction-cost indices ((RSMeans CCI, 2024)). ROI benchmarks cross-checked against (Cost vs. Value, 2024). Not a quote; actual bids depend on your specific bathroom.
What a clean replacement scope includes
A like-for-like alcove swap in a Columbia-area home should include tub removal and haul-away, valve and trim reuse or swap, new tub, new surround, plumbing reconnection, waterproofing, caulk and finish work, and disposal.
- Tub removal and haul-away (cast iron often cut in place in older intown stock)
- Valve and trim reuse or swap
- New tub set, leveled, and plumbed
- New three-wall surround (acrylic panels or tile)
- Waterproofing behind the surround (critical in Midlands humidity)
- New caulk seams and finish trim
- Optional: subfloor repair, drain relocation (slab-cut in most Columbia suburbs), vent-fan replacement
Columbia-area cost drivers that push the range
The biggest swings across Greater Columbia are foundation type, humidity-related surround damage, and subfloor condition. Pre-war Shandon, Rosewood, Wales Garden, Melrose Heights, and Cottontown bungalows are mostly crawlspace/pier-and-beam (easier drain access) and often have cast-iron drains, plaster walls, and prior moisture damage. Second-floor bathrooms above kitchens frequently need vent-fan rework.
Post-1990 Lexington, Irmo, Blythewood, Chapin, and Northeast Columbia subdivisions are typically slab-on-grade, meaning any drain relocation requires cutting concrete. Midlands humidity makes properly sized, exterior-ducted bath fans essential region-wide, undersized fans are the #1 cause of premature grout and drywall failure.
- Slab-cut drain relocation (standard Columbia-suburb scope): +$1,600 – $3,800
- Subfloor repair (common in pre-1960 crawlspace stock): +$1,000 – $2,700
- Cast-iron drain replacement: +$700 – $2,000
- Cast-iron tub removal through narrow bungalow hallway (cut in place): +$400 – $900
- Tile surround instead of acrylic: +$2,300 – $5,400
- Vent-fan upgrade to properly sized, exterior-ducted (Midlands humidity essential): +$400 – $900
- Hard-water fixture upgrade (much of the Midlands is moderately hard): finish choice matters
- Columbia / Lexington / Irmo / Blythewood / Richland / Lexington county permit + inspection: +$150 – $400
Source: Reference ranges for professionally installed, permitted bathroom projects across Greater Columbia, aggregated from full-service remodeler quote data ((HomeGuide, 2024), (Angi, 2024)) and adjusted for the local market using regional construction-cost indices ((RSMeans CCI, 2024)). ROI benchmarks cross-checked against (Cost vs. Value, 2024). Not a quote; actual bids depend on your specific bathroom.
Timeline and disruption
A like-for-like acrylic alcove replacement is a 1–2 day project across Greater Columbia. Cast-iron swaps or tile surrounds push to 3–5 days. Freestanding tubs with plumbing moves run 5–8 days when a slab-cut is involved, faster in crawlspace intown stock.
For single-bathroom Columbia homes, most remodelers schedule replacements mid-week so the shower is back before the weekend. Confirm the day-by-day plan, dumpster placement, and permit timing before signing.
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Frequently asked questions
Can I keep my existing surround and just replace the tub?+
Physically sometimes, practically almost never. Removing the tub breaks the waterproof seal at the surround base and the old surround rarely aligns with the new tub's flange. In older Shandon or Rosewood bathrooms Midlands humidity has usually compromised the waterproofing anyway.
How long does bathtub replacement take in Greater Columbia?+
1–2 days for a like-for-like acrylic swap. 3–5 days for cast iron or tile surround. 5–8 days when plumbing has to move and drains require a slab-cut.
Do I need a permit to replace a bathtub in Columbia?+
Like-for-like swaps that don't move plumbing sometimes don't require a permit, but the City of Columbia, Lexington, Irmo, Blythewood, Chapin, and Richland / Lexington county jurisdictions want documentation once the valve or drain is touched. South Carolina requires state-licensed plumbers for plumbing changes. Ask the company to pull the permit and confirm the license.
Is a walk-in tub a good fit for aging-in-place in Columbia?+
Sometimes. They keep bathing available but take 5–15 minutes to fill and drain while you sit inside. Most aging-in-place Columbia-area homeowners prefer a low-threshold walk-in shower with a fold-down seat instead.
Will a new bathtub help or hurt resale in the Columbia market?+
In multi-bathroom family-buyer segments (Lexington, Irmo, Blythewood, Chapin, Northeast Columbia), a fresh tub is neutral to positive and buyers usually expect at least one. In downtown Vista lofts and stay-put aging-in-place segments, walk-in showers typically add more value than a replacement tub.
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