Roof Plumbing & Leak Repairs

Fast Roof Leak Detection, Repairs & Gutter Replacements Across Sunbury & Surrounding Suburbs

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What Locals Are Saying About Our Plumbing Services

    
 
 
         
   Kym Eley 
 
 
 
 Trustindex verifies that the original source of the review is Google. Mark helped install my fridge water line. Was really impressed with his workmanship, customer service and price. Would absolutely use again!
  
 
        
   Angus Pastuszka 
 
 
 
 Trustindex verifies that the original source of the review is Google. We had a blocked up down pipe and nothing we couldn’t do it ourselfs and called up and was quick to respond and ready to work and unblocked it without a worry and without charging us cheers mark
  
 
        
   William Grech 
 
 
 
 Trustindex verifies that the original source of the review is Google. Mark came out and did a great job, very friendly, and would recommend
  
 
        
   Natalie 
 
 
 
 Trustindex verifies that the original source of the review is Google.

Local Experts in Roof Plumbing & Leak Repairs

Roof leaks are one of the most frustrating plumbing issues — often hidden until it’s too late. At MW Donnelly Plumbing, we specialise in roof plumbing, leak detection, gutter repairs, and downpipe replacements across Sunbury, Gisborne, Craigieburn, Bacchus Marsh, and surrounding suburbs.

From small water stains to major stormwater overflows, our licensed team responds fast and gets to the source of the issue — not just the symptom.

We provide permanent fixes using compliant materials, clean workmanship, and clear communication at every step.

Our Roof Plumbing Services Include:

Leak detection & roof inspections
Flashing repairs and replacements
Gutter cleaning, repairs, and full replacements
Downpipe installations & repairs
Roof drainage system upgrades
Emergency storm damage repairs
Rainhead and sump installations
Stormwater redirection and drainage
Roof plumbing for new builds and extensions
Overflow and block prevention systems

We work with both metal and tiled roofs and understand the challenges of both older homes and modern builds.

Common Signs You May Have a Roof Leak

Staining or mould on ceilings or walls
Water drips during or after rainfall
Overflowing or sagging gutters
Cracked or rusted flashing
Bubbling paint near ceiling corners
Persistent damp smell inside the home
Visible water pooling in roof space

If left untreated, even minor leaks can cause timber rot, insulation damage, and structural issues.

Storm-Ready Roof Plumbing

Victoria’s storm season can be harsh — blocked gutters, inadequate drainage, and poor roof design can lead to major internal damage. That’s why we help local homeowners prepare by:

Cleaning and upgrading gutter systems
Installing larger capacity downpipes
Repairing or replacing failing flashing
Improving stormwater flow away from foundations
Emergency after-storm inspections and damage control

Mark and his team regularly assist families in Sunbury, Riddells Creek, and Gisborne who experience roof leaks every winter. Don’t wait until the ceiling stains appear — let’s get ahead of the problem.

How It Works

Step 1: Book a Roof Inspection

Step 2: On-Site Assessment

We inspect your roof, gutters, flashing, and drainage to find the source of the leak or damage.

Step 3: Immediate Repairs or Quoting

Minor issues can often be fixed on the spot. For larger jobs, we provide a clear, itemised quote.

Step 4: Permanent Repairs & Clean Up

We complete the work to a high standard, using quality materials and ensuring everything is watertight.

Step 5: Follow-Up (Optional)

We offer roof plumbing maintenance schedules if you'd like ongoing protection.

Benefits

Fully licensed & insured roof plumbers
Honest inspections and reliable quoting
Emergency service for active leaks
Workmanship warranty on all repairs
Local team – fast response in Sunbury & surrounds
Preventative advice to avoid future damage
Clean, careful work – no mess left behind
Seamless communication from quote to completion

Clients who trust us

We’re trusted by:

Homeowners needing urgent roof leak repairs in Sunbury and Bacchus Marsh
Families upgrading old gutters in Craigieburn and Gisborne
Builders needing reliable roof plumbing for extensions
Elderly residents who require regular gutter
Landlords managing multi-property maintenance
Property managers needing fast, professional trade support

Our team is known for showing up on time, doing the job properly, and leaving every property cleaner than we found it.

Gallery

Frequently Asked Questions

Can you replace gutters and downpipes?

Absolutely. We provide full replacement or targeted repairs using high-quality materials.

How do I know if I have a roof leak?

Ceiling stains, mould, water sounds, or roof cavity dampness are all common signs. We can confirm with an on-site inspection.

Do you handle emergency roof repairs?

Yes. We provide emergency leak control during storms and follow up with permanent fixes.

Will you clean up after roof repairs?

Yes. We take pride in leaving your property neat and debris-free.

Do you offer regular maintenance for gutters and roof drainage?

We do. Seasonal roof and gutter servicing is one of the best ways to prevent future leaks.

Kym Eley

Mark helped install my fridge water line. Was really impressed with his workmanship, customer service and price. Would absolutely use again!

Angus Pastuszka

We had a blocked up down pipe and nothing we couldn’t do it ourselfs and called up and was quick to respond and ready to work and unblocked it without a worry and without charging us cheers mark

William Grech

Mark came out and did a great job, very friendly, and would recommend

Natalie