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Converting a traditional tub-shower combination to a walk-in shower is one of the most popular bathroom remodel requests in the St. Louis area. Walk-in showers create a more spacious feel, improve accessibility, and give bathrooms a modern, spa-like appearance. In the local market, a basic walk-in shower conversion typically costs between $5,000 and $10,000, while a custom tile walk-in shower with glass enclosure, built-in niches, and premium fixtures ranges from $10,000 to $20,000 or more.

In older St. Louis homes throughout Soulard, Tower Grove, and the Central West End, tub-to-shower conversions often require plumbing modifications because the existing drain and supply lines were configured for a bathtub. Relocating the drain to accommodate a curbless or low-threshold shower design can add $500 to $2,000 to the project. Many St. Louis contractors recommend a linear drain along one wall, which simplifies the floor slope and creates a cleaner aesthetic while improving drainage performance.

Homeowners should carefully consider whether to eliminate the only bathtub in the home. Real estate professionals in the St. Louis market consistently advise keeping at least one bathtub for resale purposes, especially in family-oriented neighborhoods like Kirkwood, Webster Groves, and Ballwin. In homes with two or more bathrooms, converting the master bath tub to a walk-in shower while maintaining a tub in the secondary bathroom is a widely recommended approach that balances lifestyle preferences with resale value.

Many St. Louis homes, particularly those built before 1960, have compact bathrooms that feel cramped and lack storage. Bungalows in Maplewood and Richmond Heights, shotgun-style homes in south city, and post-war ranch houses throughout St. Louis County often feature bathrooms as small as 35 to 50 square feet. A skilled bathroom remodeler can transform these tight spaces into functional, attractive rooms through strategic design choices and space-saving fixtures.

Wall-mounted vanities are one of the most effective ways to make a small bathroom feel larger. By floating the vanity off the floor, the visible floor space increases, creating an illusion of more room. Pedestal sinks serve a similar function but sacrifice storage space. Recessed medicine cabinets and built-in wall niches provide storage without protruding into the room. In many older St. Louis homes, the walls are thick enough to accommodate recessed storage between studs, which adds functionality without reducing floor area.

Pocket doors are another practical upgrade for small St. Louis bathrooms. A standard swinging door requires clear floor space to open, which wastes valuable square footage. A pocket door slides into the wall cavity, freeing up that space for fixtures or storage. Installing a pocket door during a remodel typically costs $300 to $800 for materials and labor. For the shower area, a frameless glass panel or glass door makes the space feel more open than a shower curtain or framed enclosure. Light-colored tiles, large-format tiles with minimal grout lines, and adequate lighting further enhance the sense of space.

As the St. Louis population ages, accessibility-focused bathroom remodels have become increasingly common. Universal design principles allow homeowners to create bathrooms that are safe and functional for people of all ages and mobility levels. These upgrades are especially relevant in established neighborhoods like Chesterfield, Creve Coeur, and Town and Country, where many homeowners plan to age in place rather than move to assisted living facilities.

Key accessibility upgrades include curbless or zero-threshold shower entries, grab bars rated for 250 pounds or more, comfort-height toilets set at 17 to 19 inches, and lever-handle faucets that are easier to operate than knobs. A curbless shower eliminates the tripping hazard of a raised threshold and allows wheelchair or walker access. Installing a curbless shower typically requires modifying the subfloor to create proper drainage slope, which costs $1,000 to $3,000 in addition to the standard shower installation cost.

Blocking should be installed behind the walls during a remodel to support grab bars wherever they may be needed in the future. This inexpensive step, which costs $100 to $300 during an open-wall renovation, allows grab bars to be added later without opening up the walls again. Non-slip tile or textured porcelain flooring, adequate lighting including night lights, and wider doorways of at least 32 inches are additional features that improve bathroom safety. Many St. Louis contractors now specialize in aging-in-place remodels and can advise on the full range of accessibility options available.

Proper ventilation is critical in St. Louis bathrooms due to the region's naturally high humidity during summer months. Without adequate ventilation, moisture from showers and baths can lead to mold growth, peeling paint, warped trim, and damage to drywall and framing. St. Louis building codes require mechanical ventilation in bathrooms that lack an operable window, and most remodeling contractors recommend exhaust fans in all bathrooms regardless of window availability.

Bathroom exhaust fans are rated in cubic feet per minute (CFM), and the minimum requirement is based on the room's square footage. For a standard bathroom up to 100 square feet, a fan rated at 1 CFM per square foot is the baseline. Larger bathrooms and those with separate toilet rooms or enclosed showers may need higher-capacity fans or multiple units. Quality exhaust fans cost between $80 and $300 for the unit, with installation running $150 to $400 in the St. Louis market. Premium models with humidity sensors that activate automatically and quieter operation rated at 1.0 sone or below are worth the additional investment.

The exhaust duct must terminate outside the home, not into the attic or soffit. Venting into the attic is a common code violation found in older St. Louis homes during inspections and can cause serious moisture damage to roof sheathing and insulation. During a bathroom remodel, the contractor should verify the exhaust duct path and correct any improper venting. Insulated duct runs help prevent condensation from forming inside the duct during cold St. Louis winters, which can drip back into the fan housing and cause staining on the ceiling.

Understanding where the money goes in a bathroom remodel helps St. Louis homeowners prioritize spending and make informed trade-offs. A mid-range bathroom remodel in the St. Louis area typically costs between $15,000 and $30,000, while a high-end master bathroom renovation can range from $30,000 to $60,000 or more. The major cost categories include labor (30% to 40%), tile and fixtures (20% to 30%), cabinetry and countertops (10% to 15%), plumbing (10% to 15%), and electrical work (5% to 10%).

Tile work is often the largest material expense in a bathroom remodel. A fully tiled shower with floor-to-ceiling tile, a tiled floor, and a niche or accent wall can require 150 to 300 square feet of tile. At $5 to $15 per square foot for materials and $8 to $15 per square foot for installation, tile costs alone can reach $4,000 to $9,000 for a single bathroom. Vanities range from $300 for stock options to $3,000 or more for custom pieces, while toilets cost $200 to $800 and faucets run $100 to $600 depending on the brand and finish.

Plumbing modifications are one of the most common sources of unexpected cost in St. Louis bathroom remodels. Older homes in neighborhoods like Benton Park, Holly Hills, and Carondelet may have galvanized steel drain pipes or deteriorating cast iron that needs replacement when walls are opened up. Replacing a section of galvanized pipe with PVC or PEX typically costs $500 to $2,000, but this work is essential for the long-term performance of the new bathroom. Homeowners should always include a 15% to 20% contingency in their bathroom remodel budget to cover these types of discoveries.

Water-efficient fixtures reduce utility bills and environmental impact without sacrificing performance, making them a smart choice for St. Louis bathroom remodels. Modern low-flow toilets use 1.28 gallons per flush or less, compared to the 3.5 to 7 gallons used by older models found in many pre-1990s St. Louis homes. Replacing an old toilet with a WaterSense-certified model can save a household 13,000 gallons of water per year. Low-flow toilets range from $200 to $600 at local retailers and home improvement stores.

Low-flow showerheads rated at 2.0 gallons per minute or less deliver a satisfying shower experience while using 20% to 40% less water than standard 2.5 GPM models. Many St. Louis homeowners are surprised by how well modern low-flow showerheads perform, thanks to improved engineering that maintains pressure and coverage. Rain showerheads, handheld models, and multi-function showerheads are all available in WaterSense-certified options ranging from $30 to $300.

For homeowners connected to Missouri American Water in the St. Louis area, water and sewer rates have been increasing, making conservation upgrades more financially attractive. A family of four can save $100 to $200 per year by switching to water-efficient toilets, showerheads, and faucet aerators throughout the home. Some local water utilities and municipalities offer rebates or incentives for installing WaterSense-certified fixtures, though availability varies. Homeowners should check with their local utility provider during the remodel planning phase to take advantage of any available programs.

Bathroom design trends in St. Louis reflect a blend of modern aesthetics and practical considerations suited to the local housing stock. For tile, large-format porcelain in 12x24 and 24x24 sizes continues to dominate both floor and wall applications, creating clean lines and reducing grout maintenance. Warm neutral tones, including greige, taupe, and soft white, are the most requested colors among St. Louis homeowners, complementing both contemporary and traditional home styles found throughout the metro area.

Vanity design has shifted toward floating and furniture-style options that add visual interest to the bathroom. Floating vanities in white, gray, or natural wood tones are especially popular in smaller bathrooms throughout inner-ring suburbs like Maplewood, University City, and Richmond Heights, where they create the illusion of more floor space. Double vanities remain the standard for master bathrooms in larger homes throughout West County and South County, with 60-inch and 72-inch sizes being the most common. Quartz countertops have largely replaced granite and cultured marble as the preferred vanity top material.

Matte black and brushed gold fixtures have emerged as the most popular hardware finishes in St. Louis bathroom remodels, replacing the brushed nickel and chrome that dominated for the past decade. These finishes are available across all major plumbing brands and add a designer touch to the space. Frameless glass shower enclosures paired with matte black hardware are one of the most frequently requested combinations among St. Louis contractors. For vanity mirrors, backlit LED mirrors and black-framed mirrors have replaced the traditional frameless plate glass mirrors that were standard in bathrooms for decades.