Water Leak Detection in London, Ontario

Hy-Pro Plumbing & Drain Cleaning, the London plumber homeowners call for water leak detection, runs calls every week from Old South bungalows to newer builds near Masonville. A leak rarely announces itself. It shows up as a spike on your water bill, a damp patch behind drywall, or a hiss you can hear only when the house goes quiet. Left alone, a slab leak or a pinhole in a supply line can run for weeks, quietly warping floors and feeding mold behind the walls. Our plumbers use acoustic and infrared equipment to find the source fast, without tearing apart your home to look for it. Call today to get a plumber on the way.

How Hy-Pro Finds Hidden Leaks in London Homes

Most leaks in London homes hide behind finished walls, under concrete slabs, or inside crawl spaces nobody checks until the drywall bubbles. Hy-Pro Plumbing & Drain Cleaning, the same Cambridge plumber that services communities across southwestern Ontario, sends licensed plumbers equipped with acoustic listening devices and infrared thermal cameras to pinpoint the failure before any cutting starts. We offer a comprehensive approach to leak detection in London.

Acoustic leak detection amplifies the faint hiss or trickle a pressurized line makes, even three feet below a basement floor. Infrared cameras pick up the temperature difference where water has been seeping into drywall or subfloor for days. A slab leak, water escaping from a supply line buried under your home’s foundation, often shows up first as a warm spot on the floor or a meter that keeps spinning after every tap is shut. Our plumbers confirm the reading against your water meter and, when needed, pressure-test sections of the line to narrow the search area. Our non-invasive leak detection equipment ensures no surprise swimming pools in your home due to hidden plumbing issues. 

Once the source is confirmed, you get a written report with the leak’s location and leak repair options. There’s no need for exploratory holes across your ceiling or a contractor opening every wall to chase one bad joint. Many older London homes near Old South and Wortley Village still run original copper or galvanized supply lines, and we check those joints first.

Any repair we recommend follows current Ontario Building Code plumbing requirements, not just what patches the hole for now. That standard applies whether we’re on a job in London or handling a call from a homeowner in Guelph or Kitchener the same week.

Why London Homeowners Choose Hy-Pro

Our plumbers average a decade in the trade, and the team you’ll meet at the door has likely handled hundreds of leak calls across London and Cambridge before yours. That matters when a plumber has to decide, fast, whether a warm floor is a slab leak or just a heating duct running underneath.

We give you upfront pricing before any work starts, so there are no surprise line items once the report comes back. If a repair runs bigger than expected, financing through Financeit is available so the fix doesn’t have to wait on your next paycheque.

London’s water system runs through more than 2,100 kilometers of municipal pipe before it reaches your meter, and the same aging pattern shows up in older homes across the city. We have the tools to find a leak in a 1960s bungalow or a 2015 build, and we’re on call 24 hours a day when a leak becomes an emergency.

The same crew that handles London calls also covers Cambridge and Guelph, which keeps our crews seeing a wide mix of pipe ages and house styles every week instead of the same handful of floor plans.

Frequently Asked Questions About Leak Detection in London, Ontario

How can I tell if I have a hidden water leak in my London home?

A water bill that jumps without an obvious reason is usually the first clue. Watch for damp baseboards, a musty smell in one room only, or a water meter dial that keeps turning after every fixture in the house is off. Homes in older London neighbourhoods like Old South and Wortley Village tend to show these signs earlier simply because the supply lines have had more decades to wear.

Do older homes near Old South and Byron leak more than newer builds?

Generally, yes. Homes built before the 1980s in London often still run their original copper or galvanized piping, and metal pipe corrodes and pits over time in ways plastic supply lines don’t. A pinhole leak in a 60-year-old copper line is one of the most common calls we get from those neighbourhoods. Newer builds near Masonville or in south London still leak, usually from a fitting or a slab crack rather than pipe corrosion.

Can a winter freeze cause a hidden leak that shows up later?

It can, and it’s one of the more common patterns after a hard freeze-thaw stretch in southwestern Ontario. A pipe can crack during a deep freeze without bursting outright, then leak slowly for weeks once the ground thaws and pressure shifts. If your home went through a cold snap and your water bill climbed the following month, that timing is worth mentioning when you call.

Schedule Leak Detection Services in London With Hy-Pro Plumbing & Drain Cleaning Today!

Call our London team directly at 226-289-1773 or request service online, and a licensed plumber will follow up to confirm timing. We handle leak detection alongside drain cleaning, water heater work, and sewer repairs, so if the visit turns up a related issue, it can often be scheduled in the same trip. Same-day appointments are available for active leaks that are actively damaging a home.