Renovating your Vancouver home is an exciting investment. But before you start pulling walls apart, and beneath all that cosmetic work lies a system most homeowners don’t think about first and foremost. We’re talking about the plumbing. Deciding whether to replace old pipes during a renovation is one of the most important calls you’ll make. Get it right, and you save money and headaches for decades. Get it wrong, and you could be tearing out your brand-new walls just a few years later.

Here’s what every Vancouver homeowner should know before making that decision.

Why Renovations Are the Right Time to Look at Your Pipes

When walls are already open, and floors are already pulled up, accessing your plumbing is far easier and less expensive than doing it as a standalone project. Labour costs drop significantly because your contractor isn’t spending extra time cutting into finished surfaces. If there’s ever a moment to upgrade your plumbing, it’s while your home is already mid-renovation, not after everything is buttoned up and painted.

Skipping this window to save money upfront is a gamble that rarely pays off. A pipe that looks functional today can fail next year, forcing you to undo all the work you just paid for.

Warning Signs Your Pipes Need to Be Replaced

Not sure if your existing plumbing should stay or go? Watch for these red flags:

Visible Leaks or Water Stains

Active leaks are an obvious sign, but so are water stains on ceilings, walls, or inside cabinets under sinks. These stains often point to slow, ongoing leaks that have been quietly causing damage for months or years. If you spot discolouration during a renovation demo, don’t patch and move on; investigate.

Corrosion and Rust

Corroded pipes are weakened pipes. If you notice orange or brown discolouration on the outside of metal pipes, flaking, or mineral buildup around joints, corrosion is already at work. Rust-coloured water coming from your taps is another warning sign. Corroded pipes are more likely to crack, burst, or develop pinhole leaks, and no amount of patching can fully correct the underlying deterioration.

Low Water Pressure

Persistent low water pressure throughout your home, not just at one fixture, often indicates buildup inside aging pipes. Mineral deposits narrow the interior of older metal pipes over time, restricting flow. During a renovation, this is a straightforward problem to fix. After the fact, it becomes a much bigger job.

Outdated Pipe Materials

This is especially relevant in Vancouver, where a large portion of the housing stock dates back to the mid-20th century. Many older homes still contain:

• Galvanized steel pipes prone to corrosion and rust from the inside out, commonly found in homes built before the 1970s.
• Polybutylene (PB) pipe, also known as Poly-B pipes, installed in the 1970s through the 1990s. These are grey plastic pipes that are known to fail unexpectedly and are no longer up to code
• Lead pipes or lead solder joints found in very old homes, lead in drinking water, are a serious health concern.
• Cast iron drain lines, while durable, are prone to corrosion over time and can crack or collapse

 

If your home has any of these materials, a renovation is the ideal time to replace them with modern copper or cross-linked polyethylene (PEX) piping, which is flexible, durable, and better suited to Vancouver’s climate and seismic conditions.

The Long-Term Cost Case for Upgrading

Replacing plumbing during a renovation costs more upfront; there’s no way around that. But the financial logic holds up clearly when you look at the bigger picture.

• Prevent expensive emergency repairs. A burst pipe or major leak in a finished home can cost thousands of dollars in water damage, mold remediation, and repairs far more than the cost of proactive replacement.
• Lower your insurance risk. Many home insurers in British Columbia are increasingly cautious about older plumbing materials like polybutylene. Upgrading can make your home easier and less expensive to insure.
• Increase your home’s resale value. Modern plumbing is a legitimate selling point. Buyers and their inspectors notice outdated materials, and they factor it into offers.
• Improve daily performance. Better water pressure, cleaner water, and reliable hot water delivery make a real difference in everyday life.

When Keeping Existing Pipes Makes Sense

Not every pipe needs to be replaced. If your home has newer copper or PEX piping that’s in good condition, well-maintained, and shows no signs of corrosion or damage, keeping it is perfectly reasonable. The goal isn’t to replace everything, it’s to make honest decisions about what will hold up and what won’t.

A qualified plumber, like us at Impetus, can inspect your existing system and give you a clear picture of what you’re working with before you commit either way.

Talk to Impetus Plumbing and Heating Before You Renovate

Plumbing decisions made at the start of a renovation are much easier (and cheaper) than fixes made after the fact. We specialize in residential plumbing installations and plumbing services across Vancouver and the surrounding area. Our team can do full repiping, targeted upgrades, or simply provide you with a professional assessment. Our team will walk you through your options and be upfront with you from the start.

Ready to plan your renovation the right way?

Book online, or call us at (604) 719-2136 to schedule your plumbing assessment today.