Roof Leak Repairs in Melbourne’s South East

★★★★★ 4.9 from 600+ Google reviews Read our reviews

Residential Roof Leak Plumbing Service

At Joniec Plumbing, we provide fast and reliable roof leak detection and repairs across south-east Melbourne and surrounding suburbs. We understand how important it is to repair leaks quickly and prevent further damage. Our experienced plumbers use quality, weather-resistant materials to provide lasting repairs and protect your home from water damage, mould and structural issues. Contact us today.

Professional Roof Leak Solutions in South-East Melbourne

Drawing on more than 20 years of experience, our roof leak specialists detect and repair roof leaks throughout south-east Melbourne. Common causes include blocked gutters, storm damage, cracked or missing tiles, failed flashing around roof penetrations and leaking roof drainage. We thoroughly investigate the source of the problem before providing the right repair for your roof.

Using durable, weather-resistant materials, Joniec Plumbing will restore the integrity of your roof and provide lasting peace of mind. Our licensed roof plumbers will also explain the cause of the leak and recommend practical preventative maintenance to help stop the problem returning.

We also offer regular roof inspections to identify potential problems before they cause major damage. Whether your roof needs small cracks sealed, damaged tiles replaced or drainage corrected, our team is committed to keeping it in good condition. We provide tailored solutions for both residential and commercial properties.

Book a roof leak service today and let Joniec Plumbing protect your property from further damage.

Licensed roof plumber (Lic. 46989)
Serving Melbourne since 2005
CM3 certified contractor
24/7 emergency callouts
12-month workmanship guarantee
600+ five-star reviews

Roof Leaking Right Now? Do This First

A leaking roof feels like an emergency, and it can be, but panicking never helps. Work calmly through these six steps to make the situation safe, protect your home, and give yourself the best position for a roof leak insurance claim. Then call a licensed roof plumber to find the source and fix it properly. We’ve helped south-east Melbourne homeowners with ceiling leaks since 2005, and we can help with yours.

Contain and catch the water. Put a bucket or plastic tub under the drip and lay old towels around it. Move furniture, electronics and anything valuable out of the way, and roll back rugs. A little containment now saves a lot of damage later.
Watch for a bulging ceiling. If your plaster is sagging or ballooning, it’s holding trapped water and can collapse without warning. Keep everyone clear of the area and don’t stand underneath it. Draining a bulging ceiling is risky and is best left to a professional. If you’re not completely confident it’s safe, don’t attempt it. Just keep the area clear and wait for us.
Switch off power to any wet circuits. Water and electricity are a dangerous mix. If water is anywhere near light fittings, downlights or power points, switch off the affected circuits at the switchboard. When in doubt, shut off the mains and call a licensed electrician.
Stay off the roof. Wet tiles and metal roofing are extremely slippery, and the cause of a ceiling leak is rarely where you’d expect. It can track metres from the actual entry point, so leave it to the professionals. Climbing up in the rain isn’t worth the risk.
Photograph everything. Before you clean up, take clear photos and short videos of the leak, the water damage, affected ceilings and walls, and any damaged belongings. Good documentation makes any insurance claim far smoother, and most insurers want evidence of the damage as it happened.
Call a licensed roof plumber. Once you’re safe, call us. Roof drainage, flashing and gutter work is licensed plumbing work in Victoria, so a proper repair needs a qualified roof plumber, not a handyman. We’ll trace the true source with professional roof leak detection, stop the water and repair it right, whether it’s a tile, terracotta, metal or Colorbond roof, a failed flashing or an overflowing box gutter.

Available 24/7 for emergency roof leak repair across south-east Melbourne and surrounding suburbs. Licensed roof plumber (Victorian plumbing licence 46989), CM3 certified, serving Melbourne homes since 2005 with 600+ five-star reviews and a 12-month workmanship guarantee.

Common Melbourne Leak Points

The numbers on the diagram match the list below. Water rarely shows up where it gets in, so the wet patch on your ceiling is a clue, not the answer. These seven points are where we find the true source on most Melbourne roofs.

Ridge capping and pointing. On tile and terracotta roofs the mortar bedding and pointing perish long before the tiles do. Water tracks along ridges and hips and shows up rooms away. We re-bed loose capping and re-point with flexible pointing so the ridge moves with the roof instead of cracking.
Valleys. Where two roof planes meet, the valley iron carries a huge share of the water. Rust, lifted edges and debris dams push water sideways under the tiles. We clear, reseal or replace valley irons with compliant materials.
Flashing at chimneys, skylights and vents. Every penetration through the roof relies on flashing, and sealants age faster than the roof around them. We re-dress or replace failed flashing so the joint sheds water properly instead of relying on sealant alone.
Box gutters. A Melbourne speciality: box gutters hide between roof planes or behind parapets, and when they block or cannot cope with a downpour they overflow inward, straight into the ceiling. We clear, re-grade or re-line them, and check the overflow provision that many older box gutters are missing. Box gutter work is licensed plumbing work in Victoria.
Metal and Colorbond fixings. A metal roof leak almost always comes from the fixings and joins rather than the sheet: loose or corroded fasteners, and lap joints on low-pitch sections. We replace fasteners with sealed screws and reseal laps so the sheet stays watertight.
Cracked or slipped tiles. Hail, foot traffic and simple age crack tiles or slide them out of position, opening a direct path for water. We replace and re-secure matching tiles, and check the sarking underneath while we are there.
Gutters and downpipes. Leaf litter from gums, planes and liquidambars dams the gutter until water backs up under the eaves. It looks like a roof leak from inside, but the roof itself is fine. We clear and re-pitch gutters and can advise on leaf protection that suits your trees.

Why Melbourne Roofs Leak

Most roofs don’t fail overnight. A ceiling leak usually starts as a small, hidden fault that Melbourne’s weather slowly finds and forces open. Our spring and summer storms, hail, and back-to-back La Nina wet seasons drive water sideways under materials that were only ever built to shed it downward. After 20+ years of roof leak repair across south-east Melbourne, we’ve traced the same handful of failure points again and again, and where the entry isn’t obvious, careful roof leak detection finds it before it damages plaster, insulation and framing.

The way a roof leaks depends on what it’s made of:

Terracotta tile: the tiles themselves last for decades, but the mortar doesn’t. Cracked ridge capping and perished pointing let water track along the ridges and hips, which is the most common terracotta roof leak we’re called to.
Concrete tile: are porous, and once they become weathered or cracked they start absorbing water and letting it into the roof cavity, especially after the protective surface coating has worn away.
Colorbond and metal: a Colorbond roof leak almost always comes from the fixings and joins rather than the sheet. Loose or corroded fasteners, failed flashing, and lap-joint issues where sheets overlap on a low pitch are the usual culprits.
Slate: heritage slate delaminates and slips with age, and matching and re-securing it correctly is specialist work.

Then there’s the water that never should have reached your roof at all. Blocked box gutters, valleys and downpipes, packed with gum leaves, plane debris and liquidambar seed-balls, back up and overflow inward under the roofline. Perished flashing around chimneys, skylights and vents opens up as sealants age, and poor ventilation lets condensation and mould build in the roof cavity. Any of these can mimic a roof leak while the real cause sits somewhere else entirely, which is exactly why we diagnose before we quote.

Roof drainage and flashing are licensed plumbing work in Victoria, so getting it right matters. As a licensed roof plumber (Victorian licence 46989) and CM3-certified contractor, we carry out leaking roof repair to standard, can issue a compliance certificate where one is required, and back every job with a 12-month workmanship guarantee. If water is coming in now, our 24/7 emergency callouts mean you’re not waiting on the weather.
Call 1300 575 862 for emergency roof leak repair anywhere across south-east Melbourne.

How We Fix Your Roof Leak

A leaking roof rarely leaks where it looks like it does. Water can travel metres along a rafter or batten before it shows as a ceiling leak. That’s why we follow the same proven process on every job, whether it’s a tile, terracotta, or metal Colorbond roof leak. It’s the method behind 20+ years of roof leak repair in Melbourne and 600+ five-star reviews.

Detect & diagnose: we investigate thoroughly to find the true source, not just the wet patch, tracing the water back from your ceiling to its real entry point. For concealed leaks we can use CCTV leak detection to pinpoint the fault without guesswork.
Make safe: where needed, we weatherproof and tarp the area and help dry it out, stopping further water damage and mould while we plan the permanent fix.
Permanent repair: we carry out the leaking roof repair with compliant materials and correct methods (flashing, box gutter, ridge capping, or fasteners) so it’s done right the first time and built to last.
Compliance & guarantee: as a licensed roof plumber (Victorian licence 46989), we issue a compliance certificate where required, and every repair is backed by our 12-month workmanship guarantee.

Roof Leak Repair Cost in Melbourne

We can come to your property and provide a free quote for your roof leak repair.
* A licensed roof plumber will assess the issue, explain the likely cause, and provide a clear quote before any repair work begins.

Roof leak repairs cannot be accurately priced without first seeing the problem, as the work required depends on:

The cause and the repair needed. Re-seating lifted flashing is very different from re-lining a box gutter or re-bedding an entire ridge line.
Your roof type and access. Tile, terracotta, metal, and Colorbond roofs each require different repair methods. Steep or two-storey roofs can also take longer to access and work on safely.
How far the water has travelled. A leak caught early may require only a minor repair, while one that has been present for months could also affect the sarking, battens or internal plaster.
The materials required. Matching heritage tiles or replacing a long box gutter involves different materials and labour than replacing pointing or fasteners.

Every quote is itemised, so you can clearly see what is included. Our 12-month workmanship guarantee applies to every repair we complete.

*Please contact us first so we can discuss the issue and confirm whether a free on-site quote is suitable. Some leaks may require testing, dismantling, or more detailed fault-finding before the cause can be confirmed. If an assessment fee may apply, we will let you know before arranging the visit.

Roof Leaks & Your Insurance

Whether a roof leak is covered by insurance often comes down to cause. Sudden, one-off events, such as storm or hail damage that lifts tiles, splits a Colorbond sheet, or overwhelms a box gutter, are generally covered under a standard home policy. Damage that builds up slowly, however, tends to be treated differently: insurers may exclude claims they attribute to gradual wear, rust, perished flashing, or a simple lack of maintenance. Every policy is worded differently, so it is always worth reading your product disclosure statement or checking directly with your insurer.

The most important thing to know is that leaving a known leak unrepaired can weaken a future claim. If a small ceiling leak is left for months and then worsens, an insurer may later decline the claim as a “maintenance” issue rather than a sudden event. Acting promptly protects both your home and your position. When you first notice a leak, it helps to document the damage straight away, taking dated photos of the ceiling stain, the water ingress, and any affected contents, and to keep records of gutter cleaning, roof inspections, and past repairs. A licensed roof plumber can also identify and record the likely cause, which is often exactly the detail an insurer wants to understand.

If you believe a claim has been unfairly declined, you generally have the right to ask your insurer for a written explanation and, if you remain unsatisfied, to escalate the matter to the Australian Financial Complaints Authority (AFCA), a free and independent dispute-resolution service. Our role is more straightforward: stopping the water. From roof leak detection to leaking roof repair across tile, terracotta, and metal roofs, our licensed team is here to make the roof watertight again and, where required, issue the compliance certification that licensed roof plumbing work calls for.

Roof Leak Repairs Across South-East Melbourne

From tile and terracotta rooftops to metal and Colorbond, we provide roof leak repair right across Melbourne’s south-east and surrounding suburbs. A licensed roof plumber attends, so ceiling leaks, flashing faults and box gutter overflows are properly diagnosed and repaired. Choose your suburb below (including Glen Waverley), or call our team on 1300 575 862 for 24/7 emergency roof leak repair.

Roof Leak Repairs: Frequently Asked Questions

For a roof leak, do I call a roofer or a plumber?

For most roof leaks in Melbourne, a licensed roof plumber is the right call. In Victoria, roof flashing, gutters, box gutters and roof drainage are classed as licensed plumbing and roofing-stormwater work, so a licensed roof plumber can legally carry out the repair and, where required, issue a compliance certificate for the work. Joniec Plumbing is a licensed roof plumber (Victorian plumbing licence 46989), so we can diagnose the leak, complete the repair and handle the paperwork end to end.

How much does roof leak repair in Melbourne cost?

Every roof leak is different, so there’s no single price. The cost depends on the cause of the leak (a lifted flashing is a very different job to a failed box gutter) and on how easy the area is to access safely. Rather than quote a figure blind, we inspect the roof, identify the true source and give you a clear written quote before any work begins. No surprises, and no work starts until you’ve approved the price.

Can you fix a roof leak in heavy rain?

Yes. We offer 24/7 emergency roof leak repair, and heavy rain is often exactly when a leak shows itself. In wet conditions our first priority is to make the roof safe and stop water getting in, so we can limit the damage to your ceiling and belongings straight away. Once conditions allow, we return to complete the full, watertight repair. A temporary make-safe is never where we leave it.

Does my insurance cover a roof leak?

It depends on the cause. As a general guide, sudden damage from a storm or hail event is often covered by home insurance, while damage from gradual wear, ageing or lack of maintenance generally is not. Leaving a known leak unattended can also affect a later claim, since insurers may treat it as a maintenance issue. Every policy is different, so always check your own product disclosure statement. It helps to photograph the damage early and keep your records, and we’re happy to document what we find on the roof so you have clear information for your insurer. This is general guidance only, not insurance or legal advice.

Do you repair metal, Colorbond and tile roofs?

Yes, we work across all common Melbourne roof types. On metal and Colorbond roofs, that typically means resealing or replacing fasteners, repairing flashing and sealing failed lap joints. On tile and terracotta roofs, we replace cracked or slipped tiles, renew pointing and re-bed loose ridge capping. Whatever the material, we match the repair to the actual fault so the fix lasts rather than just covering the symptom.

How do you find a hidden roof leak?

Carefully and systematically. Water rarely enters where the stain appears. It can track along battens, beams and sarking and surface metres away from the real entry point, which is why DIY guesses so often miss it and the leak returns. We use methodical roof leak detection to trace water back to its genuine source, and for concealed or hard-to-reach leaks we can bring in CCTV leak detection to pinpoint the fault without unnecessary damage. Finding the true cause first is what makes the repair last.

Do you guarantee your roof leak repairs?

Yes. Every leaking roof repair we complete is backed by a 12-month workmanship guarantee, and where the work requires it we issue a compliance certificate as your licensed roof plumber. We’ve been repairing Melbourne roofs since 2005, we’re CM3-certified, and we hold Victorian plumbing licence 46989, so you can trust the work is done properly and backed in writing. With 600+ five-star Google reviews across south-east Melbourne, we’re confident you’ll be glad you called.

Roof Leaking? Talk to a Licensed Roof Plumber

Water coming through your ceiling? Our licensed roof plumbers are on call 24/7 across south-east Melbourne. With 600+ five-star reviews and roofs repaired since 2005, you’re in experienced hands. Call 1300 575 862 and we’ll help you make it safe and get it fixed.