How much does it cost to add a second-floor laundry closet next to the bathroom during a renovation in Burlington?

Adding a second-floor laundry closet during a bathroom renovation in Burlington typically costs $8,000-$15,000, including plumbing rough-in, electrical work, ventilation, flooring, and basic finishes. The cost varies significantly based on proximity to existing plumbing stacks and whether structural modifications are needed.

The plumbing rough-in represents the largest expense — $3,000-$6,000 for hot and cold supply lines, a 2-inch drain line with proper slope and venting, and connection to your home's main drain stack. If your bathroom renovation already involves opening walls and accessing plumbing, adding laundry rough-in during the same project saves money compared to doing it separately. The washer drain requires a 2-inch standpipe with a P-trap, positioned 18-42 inches above the floor per Ontario Building Code. The closer your planned laundry location is to the bathroom's existing plumbing stack, the lower your rough-in costs.

Electrical work adds $800-$1,500 for a dedicated 20-amp circuit (required for modern washers), a 240V outlet for an electric dryer (if needed), GFCI protection, and adequate lighting. Many Burlington homes built in the 1970s-1990s have electrical panels with limited spare capacity, potentially requiring a panel upgrade ($2,000-$4,000) to safely add laundry circuits. Your electrician will need to assess your current electrical load and panel capacity.

Ventilation is critical in Burlington's climate — the dryer requires a dedicated 4-inch vent to the exterior, ideally through an exterior wall rather than the roof to minimize ice damming during winter. Vent installation costs $300-$800 depending on the route to the exterior. The laundry area also benefits from exhaust ventilation to manage humidity from the washer, especially important in a second-floor location where moisture can migrate to the attic.

Structural considerations include verifying that your floor joists can support the weight of a fully loaded washer (up to 300 pounds when full of water) plus vibration loads during the spin cycle. Most Burlington homes from the 1960s onward have adequate floor framing for second-floor laundry, but older homes may require reinforcement. A structural assessment costs $300-$600 and prevents future problems with floor bounce or vibration transfer to rooms below.

Space planning requires careful coordination with your bathroom renovation. A standard laundry closet needs minimum 60 inches width for side-by-side units or 30 inches for stacked units, with 36 inches depth and 7 feet height for stacked configurations. The washer needs 4-6 inches clearance behind for connections, and both units need adequate ventilation space. Consider pocket doors or bi-fold doors to maximize usable hallway space.

Burlington-specific factors include the city's building permit requirements for new plumbing and electrical work. Plumbing and electrical permits are required through the City of Burlington, with inspections needed before covering any rough-in work. Many Burlington homes have basements with existing laundry hookups — verify whether you want to maintain basement laundry as backup or relocate it entirely to the second floor.

Additional costs include flooring ($200-$600 for waterproof luxury vinyl or ceramic tile), basic millwork and trim ($300-$800), a utility sink if desired ($500-$1,200 installed), and storage solutions like shelving or cabinets ($400-$1,500). A washer drain pan ($100-$200) provides insurance against overflow damage to the floor below.

Timing coordination is crucial — the laundry rough-in should happen simultaneously with your bathroom plumbing work to minimize wall opening/closing and reduce overall project disruption. Most Burlington bathroom contractors can coordinate laundry addition as part of a larger renovation scope.

Professional installation is essential for all plumbing, electrical, and structural work. Improper washer drain installation leads to sewer gas infiltration or drainage problems, while inadequate electrical capacity creates fire hazards. The combination of water, electricity, and structural loads makes this a professional-only project.

Need help finding a bathroom renovation contractor who can handle laundry addition? Toronto Bath Remodeling can match you with Burlington professionals experienced in coordinating plumbing and electrical trades for combined bathroom-laundry projects.