What You Will Pay to Replace Poly B in an Alberta Home

Poly B replacement cost in Alberta generally falls between $8,000 and $15,000 for a standard single-family home, with many projects landing in the middle of that range. Smaller bungalows with one bathroom sit at the lower end. Larger two-storey homes with multiple bathrooms, finished basements, and difficult access sit at the upper end or beyond.

That range is wide because repiping is priced by the specific home rather than by a flat rate. What follows is what actually drives the number, so you can judge where your house is likely to sit before anyone visits.

R N T Plumbing and Heating provides a free estimate and fixed upfront pricing before any work begins so the number you are given is the number you pay. Our Poly B plumbing service covers the full scope from inspection through to restoration, backed by a 5-year warranty on parts and labour. Call (825) 883-9264 with any questions.

What Drives the Cost

No two repipes are priced the same, because no two homes are laid out the same. Five factors do most of the work in determining where your project lands in the range, and understanding them helps you estimate your own situation before a plumber ever visits.

The Size and Layout of Your Home

This is the largest single factor. Repiping cost scales with the amount of pipe that has to be run, and that depends on square footage, the number of storeys, and how spread out the plumbing is.

A compact bungalow with a kitchen and one bathroom stacked near the utility room requires far less material and labour than a two-storey home with an ensuite, a main bath, a basement bath, a kitchen, and a laundry room on three different levels.

The Number of Fixtures

Every fixture is a termination point that needs a new supply line. Bathrooms, kitchen sinks, laundry connections, outdoor hose bibs, and any wet bar or secondary kitchen all add to the count. Two homes of identical square footage can differ meaningfully in price if one has twice the fixtures.

Access

Access is the factor homeowners most often underestimate. Where pipe runs through an unfinished basement with open joists, a plumber can work quickly and with minimal disruption. Where it runs behind finished drywall, through tiled walls, above a finished ceiling, or through a tight crawl space, the same length of pipe takes considerably longer and requires more openings.

A fully finished basement usually adds cost, not because the plumbing is harder in principle but because reaching it and restoring it afterward is more involved.

The Replacement Material

PEX is the standard replacement for Poly B in Alberta homes and is what most quotes will be based on. It is flexible, freeze-resistant, does not react with chlorinated municipal water, and requires fewer fittings because it bends around corners.

Copper is the alternative and remains an excellent material. It costs significantly more in both material and labour, since it requires cutting, soldering, and far more joints. Some homeowners choose it for specific reasons, though the majority of Poly B replacements in Alberta today are done in PEX.

How Much Poly B Is Actually There

Not every home is Poly B throughout. Many have had partial work done over the decades, leaving a mix of materials. If half your system was replaced during a renovation fifteen years ago, the remaining scope is smaller and the price reflects that.

This is why an in-home assessment matters. The scope is frequently different from what a homeowner assumes.

What Should Be Included in the Quote

A complete Poly B replacement is not just the pipe. Before comparing quotes, confirm that each one covers:

• Full removal or abandonment of the existing Poly B supply lines
• New supply piping to every fixture
• All new fittings, valves, and connections
• Any required permits
• Pressure testing and inspection of the completed system
• Drywall repair where walls or ceilings were opened
• Repainting of the repaired areas
• Cleanup and disposal

Restoration is the item most likely to be missing from a low quote. A price that covers only the plumbing and leaves you with open walls to deal with yourself is not comparable to a price that returns your home to its original condition. R N T includes drywall restoration and repainting of affected areas as part of the job.

How to Compare Two Quotes Fairly

When two quotes come in at different prices, the gap is often in what they include rather than in the quality of the work. A lower number that leaves out permits, restoration, or certain fixtures is not actually cheaper, it is just less complete. Put the two quotes side by side against the list above and confirm each one covers the same scope. Once you are comparing like for like, the real difference in price becomes clear.

Why Partial Replacement Usually Is Not the Answer

Homeowners often ask whether they can replace only the section that failed, or only the pipe that is easy to reach, and spread the cost over time.

The difficulty is that Poly B degrades chemically across the whole system at roughly the same rate, because the whole system has been exposed to the same water for the same number of years. A failure in one section is a reasonable indicator of the condition of the rest. Replacing the failed length often means returning for another length within a year or two, and paying for access and restoration twice.

There is also an insurance dimension. Insurers looking to restore or maintain coverage on a Poly B home generally want documentation of a complete replacement. A partial repair usually does not satisfy that requirement.

The Hidden Cost of Doing It Twice

Spreading a repipe out over several partial jobs often costs more in the end than doing it once. Each visit carries its own charge for opening up walls, running new line, and restoring the finishes afterward, and paying for that access and restoration twice erases any saving from splitting the work. A single complete repipe means the walls are opened once, the crew mobilizes once, and the restoration happens once.

How Long the Work Takes

Most Poly B replacement projects run two to four days, depending on the size of the home and the extent of the plumbing system. Larger or more complex homes can run longer. Ask your plumber in advance when your water supply will be interrupted and for how long, so you can plan around it.

Getting an Accurate Number

The range on this page is a planning figure. It is not a quote, and no honest contractor will give you a firm price for a whole-home repipe without seeing the house.

When you do get quotes, get more than one, and make sure you are comparing the same scope. A quote that excludes restoration, permits, or certain fixtures will look cheaper on paper and cost more in practice.

The only way to know what your home will actually cost is to have it assessed. R N T provides a free estimate with fixed upfront pricing before any work begins, covering the full scope from inspection through to drywall restoration and repainting, backed by a 5-year warranty on parts and labour.

Call us or book an appointment online. Serving Calgary, Airdrie, Okotoks, Cochrane, and Chestermere.