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Frozen Pipe Repair in London, ON

Professional Frozen Pipe Repair Service in London, Ontario


Call us today for prompt, reliable, and skilled plumbing assistance at

226-289-1773

Safe Thawing and Burst Pipe Repair, Day or Night

Hy-Pro Plumbing and Drain Cleaning handles frozen pipe repair London homeowners need when the taps go dry in a cold snap. Frozen pipe repair means thawing an ice-blocked water line with controlled heat, then fixing any section the ice cracked or split. We check the whole run before we leave, not only the spot that froze. Call your local London plumber team any hour, including overnight and on weekends.

How Do You Know a Pipe Is Frozen, and What Happens Next?

Run the cold water at several taps. If even one tap runs, the freeze is inside your house and a plumber is the right call. If every tap is dry, the problem might be the service line coming in from the street.

That test comes straight from the City of London, which says property owners own the water pipe from the building to the property line, while the city looks after the section in the public right-of-way. Hy-Pro’s main shop serves as a Cambridge plumber, and our London crew handles frozen lines on the same 24/7 schedule.

Indoor freezes tend to happen in predictable places. Supply lines inside an outside wall behind a kitchen sink freeze first. So do pipes running through an attached garage or a crawl space. Cold air leaking through a gap at the rim joist is often the real culprit, which is why the same pipe freezes winter after winter.

While you wait for us, take a few safe steps:

  • Shut off the main water valve so a split pipe doesn’t flood the room once the ice lets go.
  • Open the tap the frozen line feeds, which gives melting ice a place to drain.
  • Open cabinet doors on outside walls and turn up the thermostat a few degrees.
  • Skip the propane torch. An open flame against framing or insulation is a real fire risk.

On site, your plumber finds the ice plug and warms the pipe with heat tape or an infrared heater, starting at the open end and working back toward the blockage. That order lets steam and water escape instead of building pressure. Once water flows, we pressure test the line, because a pipe that survived the freeze can still weep at a fitting a week later. For burst pipe repair in London homes, we usually cut out the split section and replace it with copper or PEX, then insulate or reroute the run so it doesn’t freeze again.

Why London Homeowners Call Hy-Pro When the Water Stops

Our licensed and insured plumbers average 10 years in the trade, and you get a flat-rate, project-based price before any work starts. Hy-Pro is Canadian owned and operated, with its main location in Cambridge and a crew serving London.

Experience matters most once the ice is gone. A thawed pipe tells you a lot, from a small bulge to a soldered joint that’s pulled apart. We show you what we found and explain whether a patch will hold or the run should be replaced.

Older houses sometimes turn up a second issue during a frozen pipe call. The City of London notes that homes built after 1952 used copper or plastic service pipes, so earlier homes might still have lead on the private side. The city offers free lead testing, and its Lead Service Extension Replacement Loan Program lets approved homeowners put the replacement cost on their property tax bill and repay it over ten years. If your burst pipe repair turns into a bigger replacement, Hy-Pro also offers financing through Financeit, subject to credit approval.

Frequently Asked Questions About Frozen Pipes in London

How much does frozen pipe repair cost in London?

Thawing a reachable pipe in a basement ceiling is the simplest job. Costs climb when ice has split the line behind finished drywall or under a floor, since we have to open the wall and replace the damaged section. You’ll have the price before we begin. Call your insurer early, too, because many home policies treat a sudden burst differently from damage that built up slowly, and photos taken before cleanup help your claim.

How do I know if my drain pipes are frozen?

Gurgling and water backing up in a sink or tub are the usual signs, especially when the fixture sits on an outside wall. Drain lines freeze less often than supply lines, but a trap or vent in an unheated addition or crawl space can ice up in a deep cold spell. Don’t pour a chemical drain cleaner into a frozen line. It won’t melt the ice, and it sits in the pipe waiting to splash back once the line thaws. Warm the room and call us if the drain stays blocked.

Will the City of London thaw my frozen water service?

Only if the freeze is on the city’s side. Call the city’s 24-hour water line at 519-661-4739 when every tap is dry, and Water Operations will work out where the line froze. The city might run a temporary hose from a neighbour’s outdoor tap and ask you to keep a pencil-sized stream running at a faucet, usually the laundry tub. It won’t do that for condos and townhouses whose service sits entirely on private property, and it asks you not to rig your own line. Tenants have to tell their landlord before calling the city.

What other plumbing work does Hy-Pro handle in London?

A frozen pipe call often leads to related work. We handle pipe repair and replacement, plus leak detection for drips hidden in walls. Water heater repair comes up often after a cold snap. Our crews also clear drains and service sump pumps before spring melt, and we repair sewer lines with trenchless methods where the pipe allows.

Who do I call for frozen pipe help in London tonight?

Call 226-289-1773 any hour, and a Hy-Pro dispatcher will ask whether any taps still run and whether you’ve found the main valve. Our main location serves Cambridge, and our London team covers the city and nearby communities. If water is already coming through a ceiling or into the basement, our 24/7 emergency plumbing in London page walks you through the first steps to protect your home.


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"*" indicates required fields

This field is for validation purposes and should be left unchanged.

By clicking “Send Message”, I am providing express written consent to receive autodialed and pre-recorded calls, texts, and SMS/MMS with marketing communications from HyPro Plumbing regarding home services at the phone number provided above, even if the number is on a corporate, state, or national Do Not Call list. Consent is not a condition to purchase services or products.