How to pay for a bathroom remodel

A bathroom remodel is smaller than a kitchen but has a higher labour share, because the work is cramped and the waterproofing is critical. The most expensive mistakes are hidden behind the tile, which is why the scope and the waterproofing method matter more than the finish selection.

Where the money goes

Labour dominates a bathroom because the space is small and the trades must work in sequence in a confined area. Demolition, plumbing, electrical, waterproofing, tiling and finishing each require a visit, and the scheduling inefficiency is built into the price.

The waterproofing method is the item most often cut and the one most expensive to get wrong. A failed shower pan or a missing membrane leads to rot and mould that costs far more than the original remodel. Ask what waterproofing system is specified and how it will be tested.

Fixtures and finishes are the visible cost and the easiest to upgrade. A homeowner who sets the allowance for tile, fixtures and vanity before the project starts can make trade-offs; one who chooses during the build simply adds.

The four ways to pay

**Savings.** The cheapest option and the right one for a planned project. A dedicated account funded in advance avoids interest entirely.

**A home equity loan or line of credit.** Usually the cheapest borrowing per dollar if you have equity, because it is secured. The home is at risk on default.

**A personal loan.** Unsecured and fixed term, a reasonable choice for a modest budget or a home with little equity.

**Contractor financing or a card.** Convenient and usually the most expensive. A card can cover a deposit, but a carried balance is priced far above a loan.

• Set the total budget and a contingency before demolition.
• Ask what waterproofing system is specified.
• Agree a written change-order process.
• Pay against completed stages, not dates.
• Hold the final payment until the punch list is closed.

A worked repayment example

The example below uses the Federal Reserve H.15 bank prime loan rate and a standard amortising schedule. It is arithmetic from a published rate, not a quote, and it shows what financing a remodel adds to the budget.

Worked example, with the assumption stated: $15,000 borrowed at the Federal Reserve H.15 bank prime loan rate of 6.75% (published 2026-09-16) repaid over 48 months on a standard amortising schedule. That gives a monthly payment of $357.46, total interest of $2,157.91 and a total repayment of $17,157.91. This is arithmetic from a published rate, not a quote: a real APR includes fees and is set by the lender from your credit, so your figures will differ. A home equity product is often cheaper per dollar because it is secured, but it puts the home at risk on default. Compare both over the same term.

If the project is saved for, the comparison is the interest avoided. Saving toward a bathroom two years away costs nothing and removes the risk that a hidden defect increases a financed balance.

The hidden risks

Opening a bathroom wall commonly reveals water damage, outdated wiring or plumbing that does not meet code. Those discoveries are change orders, and the homeowner has little choice but to address them once the wall is open.

Ask the contractor to price the likely discoveries in advance, such as replacing a section of subfloor or bringing a circuit up to code. A contractor who has a written unit price for those items is easier to work with than one who improvises.

Ask how the work will be protected and how dust will be contained, especially if the bathroom is the only one in the home. The schedule and the disruption are part of the cost in a way that does not appear on the invoice.

Resale and phasing

A bathroom remodel can improve resale, but the effect depends on the neighbourhood, the quality and the buyer, and no official series isolates it. Treat it as a consumption decision with a possible benefit.

Phasing is possible. A homeowner can replace the fixtures and the vanity now and defer the tile, or address a failing shower first and the rest later. Ask for a per-stage price so the decision can be made deliberately.

If resale is the goal, spend on the items buyers notice: a clean, functional layout, good lighting, storage and a sound waterproofing job. The expensive tile that only you will appreciate is less likely to return its cost.

Ask for the waterproofing method and the flood test in writing. A shower tiled without a tested waterproofing layer is a hidden liability, and the repair costs more than the original remodel.

Ask whether the quote includes the exhaust fan and whether it is vented outside. A bathroom fan that vents into the attic moves moisture into the structure, which is the opposite of what it is for.

Ask for the schedule and who is responsible for each trade. Bathrooms involve several trades in a small space, and coordination failures are the most common cause of a delayed project.

Ask what the plan is for dust control and for protecting the rest of the home, especially if the bathroom is the only one and the household must keep using the space.

Ask whether the contractor will handle the permit and the inspection, and confirm that the plumbing and electrical work will be inspected before the walls are closed.

Ask whether the quote includes the removal and disposal of the old fixtures and tile, because that is a separate line in many contracts and a real cost when it is not.

Where these figures come from

Related pages

• Bathroom remodeling costs by state and province
• Home remodel costs
• Loan payment calculator
• Affordability calculator

Frequently asked questions