Plumber in London costs $100–$350 on average (2026). Serving 422,324 residents in homes built around 1975, with 0.62% homeownership.
Plumbing services in London Ontario cost $95 to $155 per hour for licensed journeyman plumbers, approximately 15 to 20 percent below GTA rates. The city's housing stock ranges from pre-1960 heritage homes in Old North and Wortley Village to new construction in Masonville. Common projects include toilet replacement at $225 to $425 and full bathroom rough-in at $2,200 to $4,800.
Data: GetAHomePro contractor quotes (Q1 2026), Bureau of Labor Statistics regional wage data.
General plumbing in London spans conditions ranging from pre-1960 heritage homes in Old North and Wortley Village to new construction in Masonville and Sunningdale. The Forest City's oldest neighbourhoods contain galvanized supply lines, cast-iron drain stacks, and two-piece fixtures from the mid-century era. A full re-pipe in a Wortley Village brick semi can be a multi-day project that uncovers surprises behind plaster walls.
Western University and Fanshawe College generate steady plumbing demand through the rental corridor along Richmond Street and Western Road. Property managers overseeing multi-unit student rentals cycle through fixture replacements, stack cleanouts, and water heater swaps continuously. London Health Sciences Centre and the insurance industry hub make the city economically stable, translating into sustained homeowner renovation investment.
The Thames River's presence shapes plumbing challenges in the east and south ends. Parts of Lambeth and east London sit on floodplain-adjacent soils that shift seasonally, stressing foundations and the drain lines passing through them. Byron and Westmount homeowners investing in bathroom renovations often discover original plumbing requiring full replacement before new tile installation can proceed.
Licensed & Insured
Ontario-verified pros
4.7★ Avg Rating
9200+ vetted pros
1,000+ Served
Homeowners matched
Quotes in 30 Min
Free, no obligation
What type of plumbing work?
Compare prices from licensed London contractors — takes 30 seconds.
Trusted by homeowners across Ontario
Average price range in CAD for the London CMA area, 2026.
Most London homeowners pay
$100 – $350
Source: HomeGuide 2025. Prices reflect the London CMA metro area. Last updated 2026.
Sources: GetAHomePro contractor network, Bureau of Labor Statistics regional wage data, municipal permit records (2026)
Typical demand patterns for plumber in London, ON
Peak demand months for plumber in London: January–March. Book during September–November for potential savings of 10–20%.
Tell us about the problem — leak, clog, installation, or repair
We connect you with licensed plumbers in London who specialize in your issue
Compare upfront pricing and book at a time that works for you
Watch this helpful video about plumber before hiring a contractor in London.
Verified ratings from Google Business Profile.
2324 Hamilton Rd, London, ON N6M 1H6, Canada
510 William St unit 3, London, ON N6B 3E6, Canada
77 Bessemer Rd, London, ON N6E 1P9, Canada
377 Base Line Rd W, London, ON N6J 1W7, Canada
1540 Fanshawe Park Rd W Unit #6, London, ON N6H 5L8, Canada
Based on 2,930 Google reviews across 5 local plumber contractors.
Get matched with a top-rated pro — request a free quote!
Ontario requires licensing for plumbing contractors
License type: Licensed Plumber (306A/306B)
Licensed through Ontario College of Trades (now OCOT/SkilledTradesOntario). Apprenticeship (9,000 hours) + Certificate of Qualification exam.
Verify contractor licenseWhen hiring a plumbing contractor in London, licensing is your first line of protection. Ontario (ON) requires plumbing contractors to hold a valid state license before performing work. This means the contractor has met minimum training, experience, and insurance requirements set by the state. In the London area, always ask for the license number upfront — licensed pros carry liability insurance that covers property damage and injuries on the job, they must follow current building codes, and you have legal recourse through the Ontario licensing board if work is substandard.
Ask for the plumber’s license number and whether they hold a Journeyman or Master designation. Master plumbers can pull permits independently and supervise other plumbers, which means they have more experience and accountability.
Verify Ontario plumbing contractor licenses onlinePlumbers should carry general liability insurance ($500,000 minimum), workers’ compensation, and a surety bond. Jobs involving gas lines or sewer laterals may require additional pollution liability coverage.
Unlicensed plumbing work can result in contaminated water supply, cross-connections that allow sewage backflow into drinking water, and improperly vented drain lines that release sewer gas into your home. Building inspectors can order unlicensed plumbing to be ripped out and redone at the homeowner’s expense.
Improperly soldered joints cause hidden leaks that destroy drywall and framing. Incorrect pipe sizing leads to low water pressure or sewage backups. DIY water heater installs without proper venting risk carbon monoxide poisoning. Polybutylene pipe repairs done incorrectly can burst without warning.
Plumbing rates in London run 15 to 20 percent below GTA prices. Licensed journeyman plumbers charge $95 to $155 hourly. Toilet replacements cost $225 to $425 including labour, bathroom faucet installations $140 to $280. Full bathroom rough-in runs $2,200 to $4,800 depending on layout. Cast-iron stack replacement in Old North or Wortley Village homes typically costs $1,800 to $4,500. City of London Building Division permit fees range from $130 to $380 for residential plumbing projects.
Spring brings peak demand for hose bib replacements and sump pump inspections after the freeze-thaw cycle — book two to three weeks ahead in April and May. Summer is London's busiest renovation window with three to four week lead times for bathroom and kitchen plumbing projects. Fall offers the optimal window for non-emergency upgrades: pipe insulation, shutoff valve replacements, and water heater inspections before November freeze onset.
If your London home was built before 1980 and retains original galvanized steel supply lines, request a flow rate test during your next plumbing visit. Galvanized pipe corrodes internally — visible rust at faucet aerators and reduced pressure at upper-floor fixtures signal significant occlusion. Catching this before complete blockage avoids the cost of emergency re-piping during heating season.
London's approximately 185 licensed plumbing contractors serve 422,000 residents with a mix of large multi-trade firms and specialized residential plumbers. The homeowner demographic — Western University graduates and healthcare professionals — tends to research contractors carefully and leave detailed reviews, keeping pricing transparent and encouraging quality workmanship.
With 422,324 residents, London is a mid-size market for plumber services.
There are approximately 5 licensed plumber professionals serving London’s 422,324 residents.
With a median home build year of 1975, many homes in London are 51+ years old, so copper pipes may be showing wear. For properties of this age, aging pipes and fixtures may need replacement.
0.62% of London residents are homeowners, with a mix of rental and owner-occupied properties needing plumber services.
With 130 freezing days annually, London homeowners should prioritize winterization. Pipe insulation and frost-proof hose bibs are essential to prevent costly burst pipes.
Part of the London CMA metropolitan area, London benefits from competitive pricing among plumber providers.
London plumber costs are 1% above the Ontario state average. Prices are closely aligned with regional norms.
Sources: U.S. Census Bureau (population, homeownership), NOAA (climate data), GetAHomePro contractor database (2026).
Schedule preventive plumbing inspections in spring. With 130+ freezing days in London, winterize pipes in late fall to prevent burst pipes and costly water damage.
Related articles for plumber in London.
Complete plumber cost guide for London, Ontario homeowners. Average prices, cost factors, best time to hire, and money-saving tips. Updated...
Read morePoint-of-use vs whole-home water filter comparison for Ontario. Municipal vs well water needs, costs, maintenance, contaminant removal, and...
Read moreTrenchless vs traditional sewer repair comparison for Ontario. Costs, timeline, yard disruption, municipal permit differences, and winter...
Read moreCommon questions London homeowners ask about plumber.
Related questions about plumber in London.
Popular searches about plumber in London.
Real questions from London homeowners about plumber.
Compare quotes from licensed plumber pros in London. Free, fast, no obligation.
Get My Free Quotes →Cost data sourced from Bureau of Labor Statistics metro area statistics and industry cost guides. Contractor ratings from Google Business Profile. Licensing information from Ontario state licensing board. Last updated: March 5, 2026.