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Plumber Thornleigh - Licensed and Top Rated
We are the most trusted team of licensed plumbers in Thornleigh offering a wide range of high-quality services, including everyday repairs, maintenance, installations and major upgrades in both residential and commercial properties.
Trained as per Australian Standards, our skilled team ensures lasting repairs. We keep our customers covered through same-day service, upfront pricing and a $0 call-out fee. Operating since 1985, we bring the best of experience and skills, and back every task in Thornleigh with a lifetime workmanship guarantee.
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Expert Plumbing Services in Thornleigh
Thornleigh is in the Hornsby Shire, about 22 kilometres from Sydney’s CBD, where the streets run through hilly residential blocks between Thornleigh Station and the bushland edge of Lane Cove National Park. The Comenarra Parkway links the suburb north toward Turramurra, Thornleigh Marketplace is where most locals do their shopping, and the surrounding suburbs of Westleigh, Pennant Hills, and Normanhurst sit on each boundary. The Lane Cove River has its source in Thornleigh, and the tree coverage along most streets is a good indicator of how close to bushland these properties sit.
Around 75% of homes here are owner-occupied by families and couples who have been in the same property for years. That shows up in the type of plumbing work our team is called out for. Ceiling leaks in two-storey homes traced to upper-level plumbing, gas meter faults needing urgent investigation, RPZ and backflow devices requiring annual compliance testing, and fixture repairs across bathrooms in daily use for decades are the common plumbing problems our team handles in Thornleigh.
Our team has completed 9 jobs across Thornleigh covering water meter and gas leak investigations, ceiling leak detection, bidet installation and repair, backflow and RPZ testing, mixer hose and release valve replacements, and roof-related plumbing faults. Pennant Hills Road and Norman Avenue provide direct access from our Wahroonga base, and the streets around Thornleigh Station are easy to move through without the access complications that come with denser suburbs.
The Clean Plumber is a family-owned plumbing business serving Thornleigh locals with quality plumbing since 1985. Our consistent 5-star rating on Google from hundreds of verified reviews across the Upper North Shore is why we are highly recommended by Thornleigh locals.
Why Choose The Clean Plumber in Thornleigh
Licensed company, Licence #A3149
Every plumbing job in Thornleigh is completed by fully licensed professional plumbers under Licence #A3149. Plumbers in Thornleigh must hold a valid NSW licence, and all plumbing work our team carries out meets every NSW requirement and compliance standard. A Master Plumber designation signifies a high level of expertise and adherence to standards, and as a Master Plumbers NSW member, The Clean Plumber holds the highest level of industry accreditation available. For gas plumbing and gas fitting, NSW requires certified gas fitters for gas lines, and all gas work is completed by licensed gas fitters under Licence #A3149 on every Thornleigh job.
CleanBoot® protection on every visit
CleanBoot® covers go on before our plumbers step inside any Thornleigh property. A ceiling leak investigation in a two-storey family home or a bidet installation in a tiled bathroom, the floor, surfaces, and everything around the work zone stays clean throughout. Quality workmanship means the repair is done right and nothing around it is left worse than it was found.
$0 call-out fee and upfront pricing
Thornleigh homeowners receive a written upfront itemised quote after a thorough assessment of the plumbing issue, covering the full scope, labour, and materials before any work begins. Choose a plumber who provides clear communication about pricing before work begins. No hidden fees, no call-out charge, transparent pricing at a reasonable price.
9 jobs completed in Thornleigh
Our experienced plumbers have handled ceiling leaks, gas investigations, RPZ testing, bidet repairs, and fixture replacements across Thornleigh’s residential streets. That local expertise means our trusted plumbers arrive knowing what a Thornleigh job is likely to involve, giving every customer reliable solutions and reliable service on every callout.
Approximately 10 to 12 minutes from our Wahroonga base
We operate from 16 Billyard Ave, Wahroonga, approximately 10 to 12 minutes from most Thornleigh addresses via Pennant Hills Road. Choose a local plumber for faster service and reliable emergency response. For a ceiling leak spreading through a two-storey home or a gas fault that needs isolating fast, that response time is what keeps a manageable situation from becoming a
How We Can Help You: Services Offered
Here is what our Thornleigh plumbing team handles across residential properties in Thornleigh NSW.
Ceiling and Roof Leak Detection
In Thornleigh’s two-storey family homes, a water stain on the ceiling or a drip near the upper-floor manhole is the end of the story, not the beginning. The actual source could be a failed roof flashing, a damaged plumbing connection at the upper level, or a fault somewhere between the two. A ceiling leak left for several hours works through plasterwork, insulation, and flooring, causing water damage that far exceeds the cost of finding and fixing the original fault.
Our team assesses the roof and upper-level plumbing systematically, traces the moisture path from appearance to origin, and carries out targeted repairs once the source is confirmed. Advanced diagnostics are used throughout to locate the exact entry point without unnecessary access. Leak testing verifies the fix before the job is closed.
Gas Plumbing and Gas Fitting
Gas meter and water meter investigations are confirmed jobs our team has completed in Thornleigh. Gas plumbing faults require immediate professional attention. Gas appliances must follow strict safety guidelines, and all gas fitting work is completed by licensed gas fitters under Licence #A3149. Gas is a cost-effective energy source for Thornleigh homes, and our gas fitting services cover residential and commercial applications including installing new gas appliances, gas line repairs, and leak detection across Thornleigh NSW.
Emergency plumbing services for gas leaks are available 24/7. If you suspect a gas leak at your Thornleigh property, leave immediately without touching any switches and call 0488 854 186 from outside.
Backflow Prevention and RPZ Testing
Backflow prevention and RPZ testing are confirmed services our team has completed in Thornleigh. RPZ valves require annual testing to remain compliant with Sydney Water requirements, and non-compliant devices create liability for property owners. Our accredited plumbers install, test, and certify backflow prevention devices across Thornleigh residential properties, providing compliance documentation on completion of every test. Contact us directly to schedule annual RPZ testing before compliance deadlines.
Fixture Repairs and Replacements
The range of fixture work completed in Thornleigh reflects the plumbing demands of a well-used family home. Bidet installation and repair, mixer hose replacements, leaking taps, release valve faults, and broken pipes at fixture connections have all been confirmed jobs in this suburb. A release valve dripping slowly adds to water bills long before it feels urgent. A mixer hose weeping behind a kitchen cabinet causes water damage to the cabinet base and flooring over weeks without anyone noticing.
Supply is isolated, quality parts are fitted, every connection is pressure-tested, and nothing is signed off until the repair is confirmed leak-free. Plumbing services in Thornleigh include routine maintenance and repairs, and picking up fixture wear during a maintenance visit avoids it becoming an urgent callout.
Blocked Drains
Thornleigh’s position on the edge of bushland with significant tree coverage means drain lines carry a consistent risk of root intrusion. Blocked drains can be caused by tree root intrusions working into older pipe joints over time, and on sloping blocks debris accumulation adds to the problem. High-pressure hydro-jetting clears blockages from the line efficiently and a CCTV drain inspection post-clearance confirms whether pipe damage is driving the recurrence. Where root intrusion is confirmed, pipe relining seals the entry points from inside the pipe without any digging.
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What Thornleigh Locals Say
★★★★★ 4.9 From +665 Google Reviews
Hai D
06:55 30 May 26
Had an urgent hidden leak that felt like a full‑blown disaster waiting to happen. The Clean Plumber sent out Jayden, who honestly felt like a lifesaver. Super professional, calm under pressure, and genuinely nice. He found the issue fast, explained everything clearly & and fixed it even faster. Couldn’t be more grateful! Highly recommend Jayden and the team.
RMGlobal
11:56 19 May 26
Great job from Jayden. He diagnosed a tricky subsoil issue with our property which previous plumbers could not work out. A week later the crew was onsite, they worked like a highly cohesive outfit and were done with the job in 3 days. We had heavy rains recently and it’s all holding up perfectly.
Sivaprasad TG
23:50 05 Mar 26
Craig Vallely=Thorough professional. The clean plumber noted my issue thoroughly and when Craig was appointed, he had the complete info already, gave us super clarity on what's the issue and what's to be done until it was fixed. Quote was given beforehand and confirmed before proceeding, awesome job!
George Liu
04:08 06 Feb 26
Blake and Rylan came out last minute to fix a leaking roof caused by a burst pipe. They were professional, friendly, and very transparent about the issue and pricing. Everything was explained clearly and the work was done efficiently. Pricing was reasonable and the service was excellent. Highly recommend.
Rissa McInnes
22:59 31 Jan 26
⭐⭐⭐⭐⭐
I had a fantastic experience with Clean Plumbing in Kellyville. Thanks Kevin, from the first call to the completed job, their service was professional, prompt, and stress-free. The plumber arrived on time, clearly explained the issue, and fixed it efficiently with no mess left behind. Pricing was fair and transparent, which I really appreciated. It’s refreshing to deal with a local business that genuinely cares about quality and customer satisfaction. Highly recommend Clean Plumbing to anyone in Kellyville looking for reliable, honest plumbing services!
I had a fantastic experience with Clean Plumbing in Kellyville. Thanks Kevin, from the first call to the completed job, their service was professional, prompt, and stress-free. The plumber arrived on time, clearly explained the issue, and fixed it efficiently with no mess left behind. Pricing was fair and transparent, which I really appreciated. It’s refreshing to deal with a local business that genuinely cares about quality and customer satisfaction. Highly recommend Clean Plumbing to anyone in Kellyville looking for reliable, honest plumbing services!
Rebecca Smith
05:48 29 Jan 26
Scott came to my rescue to clear blocked drains that were threatening to flood my apartment. Prompt, communicative, thorough and respectful service. I would highly recommend Scott and Taren Point Plumbing to anyone with plumbing needs. Five stars from me!
24/7 Emergency Plumber in Thornleigh
Thornleigh’s plumbing emergencies span a wider range than most suburbs. A ceiling leak tracking through a two-storey home, a gas fault at the meter, a burst pipe on a hilly residential block. Common emergencies include burst pipes, blocked drains, gas leaks, and hot water failures, and emergency plumbing services are available 24/7 to address all of them promptly.
Call 0488 854 186 at any hour for immediate assistance, and our team will be there straight away. We reach most Thornleigh addresses in 10 to 12 minutes from Wahroonga. If water is leaking, get the mains off before we arrive to limit water damage. If gas is involved, get everyone out without touching switches and call from outside. We work through the problem efficiently and confirm a fixed price before any repair begins.
Jayden's Real-Life Experience in Thornleigh
“With ceiling leaks the instinct is to look directly above where the water appears. In Thornleigh’s two-storey homes that instinct is almost always wrong. The water arrives at the ceiling because that is where it ends up, not where it starts. The job is to work backwards from that point.
The callout was a Thornleigh residence with water dripping from the ceiling near the upper-floor manhole. The household had isolated the supply before we arrived, which was the right move. That gave us a dry starting point to work from rather than chasing active water through the structure.
We assessed the roof and upper-level plumbing methodically, following the moisture path from the visible drip point back toward its actual source. Once identified, the remediation was targeted to that location only. Leak testing confirmed the repair was holding before supply was restored.
I went through and explained everything to the client before leaving. Clear communication throughout the entire experience is what gives a homeowner confidence the problem is actually resolved.
Call The Clean Plumber on 0488 854 186 for any plumbing issue at your Thornleigh property.”
Some of the Plumbing Problems We Fix on a Daily Basis
Emergency Plumbing
We offer emergency plumbing services, ensuring your plumbing issues are resolved quickly and efficiently, no matter the time of day or night.
Hot Water Plumbing
If your system is leaking or needs any type of repair, we’re here to help. We also expertly install new hot water systems of all sizes.
Stormwater Plumbing
Sydney weather can be unpredictable and cause all sorts of problems with your stormwater drains. Our plumbers are here to help!
Gas Plumbing
Gas stopped working or perhaps you need a conversion? Our qualified gas fitters are here to save the day.
Leak Detection
We offer a specialised leak detection service to all our domestic and commercial customers.
Backflow Prevention
Our accredited plumbers here at The Clean Plumber are authorised to install and test backflow prevention devices.
Thermostatic Mixing Valve
Get perfect water temperature with quality thermostatic valve installation at affordable pricing.
Strata Plumbing
Voted Sydney’s top strata plumber: 24/7 service, trusted by over 1,200 strata managers.
Drainage Solutions
Prevent water pooling and protect your home today. Contact us for expert drainage solutions, including subsoil drainage, French drains, and outdoor drainage solutions!
Meet Our Team
Alex
Plumbing Supervisor
Jayden
Plumber
Tanaka
Plumber
Archie
Plumber
David
Plumber
Harry
Plumber
Ahmed
Plumber
Wayne
Builder
Ben
Plumber
Billy
Plumber
Nick
Plumber
Marley
Plumber
Nearby Service Areas
Call Our Thornleigh Plumbers Today
The Clean Plumber specialises in Thornleigh plumbing services for Thornleigh locals since 1985. For ceiling leaks, gas plumbing, backflow testing, fixture repairs, blocked drains, failed hot water system repairs, new hot water system installation, or any plumbing emergency, call 0488 854 186 for same day service. Family-owned, $0 call-out fee, transparent upfront pricing, no hidden fees, and a Lifetime Labour Warranty on every job. Book online and save $50.
Frequently Asked Questions
What plumbing services does The Clean Plumber carry out in Thornleigh?
Thornleigh plumbing services include ceiling and roof leak detection and repair, gas plumbing and gas fitting by licensed gas fitters, backflow prevention and RPZ testing, fixture repairs covering leaking taps, mixer hose and release valve replacements, bidet installation and repair, and blocked drain clearing. Hot water repairs and new hot water system installation are also available. Hot water systems can be repaired by licensed plumbers across Thornleigh NSW. Call us to discuss your plumbing needs.
How quickly can you reach a Thornleigh property in an emergency?
Most Thornleigh addresses are 10 to 12 minutes from our Wahroonga base via Pennant Hills Road. Emergency plumbing services are available 24 hours a day, 7 days a week including weekends and public holidays. Call 0488 854 186 and shut the mains off if there is an active water leak while you wait.
What should I do if I notice water dripping from my ceiling in Thornleigh?
Turn the mains off straight away to limit how far moisture travels. Do not try to locate the source by opening up the ceiling yourself. In a two-storey Thornleigh home, ceiling leaks travel through wall linings and insulation before appearing at the surface. A licensed plumber needs to trace the moisture path from source to symptom before recommending any repair.
What should I do if I suspect a gas leak at my Thornleigh property?
Get everyone out immediately without touching light switches or appliances. Leave doors open as you exit. Call 0488 854 186 from outside. Our licensed gas fitters will attend, identify the fault, and carry out repairs to NSW safety requirements before the property is cleared for re-entry.
What does a plumber cost in Thornleigh?
No call-out fee on any Thornleigh job. A written upfront itemised quote covering labour, materials, and full scope follows a thorough assessment before work starts. Verify that any plumber provides upfront quotes to avoid hidden fees. Small repairs start from $149.
Is your work guaranteed in Thornleigh?
Every Thornleigh job carries our Lifetime Labour Warranty. Look for companies offering a lifetime workmanship warranty. Ours covers every repair and installation with no end date. If a repair fails because of our workmanship, we return and fix it at no charge.
How do I request a local Thornleigh plumber?
Call 0488 854 186 directly for same day service across Thornleigh NSW. We call back within 30 minutes and confirm every booking by phone and SMS. For non-urgent plumbing work, booking through our website saves Thornleigh locals $50 on the job.
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