Residential
Roof Leak Detection Sydney
Water rarely enters a roof where the stain appears on your ceiling. It tracks along battens, sarking and rafters before it drops, which is why leak chasing by guesswork ends in repeated repairs that never fix anything.
Since 1998
Sydney owned & operated
Parramatta
Based in Western Sydney
183
Sydney suburbs serviced
Clean & Capture
Waste water recovery
We work through roofs methodically — inspection above and below, then controlled water testing of the suspect areas until the entry point is confirmed. You get photos and a written explanation of what's actually happening.
Where Sydney roof leaks actually come from
After nearly three decades on Sydney roofs, the same handful of culprits dominate.
- Failed ridge and hip pointing letting water in behind the capping
- Rusted-through valley irons, especially under tree canopy
- Cracked, slipped or chipped tiles from foot traffic or storm debris
- Blocked valleys and gutters causing water to back up under tiles
- Failed flashings at chimneys, skylights, walls and box gutters
- Poorly installed penetrations for aerials, solar mounts and vents
How the inspection works
We start inside where possible — roof cavity, insulation, staining patterns and timber moisture all narrow the search area. Then we work the roof surface above that zone, and where the source still isn't conclusive we run controlled water testing section by section.
You receive a photo report identifying the entry point, the contributing factors, and fixed-price options to repair it. If the right fix is a repoint, a valley replacement or a flashing rebuild, we do that work ourselves.
Act before the ceiling does
The cost gap between a repointed ridge and a replaced ceiling with mould remediation is enormous. If you've seen a stain appear or grow after heavy rain, it's worth an inspection now rather than after the next east coast low.
What you get
- Systematic detection rather than trial-and-error patching
- Controlled water testing to confirm the actual entry point
- Photo report you can keep for insurance or strata records
- Fixed-price repair options, not open-ended hourly work
- Repairs completed in-house — no chasing a second trade
- Honest advice when the real answer is a builder, not a roofer
Surfaces and applications
- Tile roofs
- Metal & Colorbond roofs
- Box gutters
- Valley irons
- Chimney & wall flashings
- Skylights & penetrations
- Eaves & soffits
- Roof cavity & sarking
Our process
How we approach roof leak detection
- 01
Site assessment & quote
We inspect the surface, identify what's actually causing the staining, then send a written fixed-price quote with inclusions spelled out. No vague hourly rates.
- 02
Set up & protection
Gardens, fittings, drains and adjoining surfaces are protected before a drop of water is used. Access, hoses and leads are run so the site stays safe and tidy.
- 03
Treat, then clean
Organic growth is chemically treated first so it dies at the root, then we clean at the correct pressure and temperature for the substrate.
- 04
Waste water capture
Our Clean & Capture system vacuums waste water to a holding tank as we work, so nothing contaminated enters the stormwater system.
- 05
Final walk-through
We walk the job with you (or send photo documentation for commercial and strata clients) and only pack up once you're satisfied.
Real results
Results you can see from the street
Treatment first, then correct pressure for the substrate. That's the whole trick — and it's why the result lasts.


Why choose us
Serious equipment, correct method, no guesswork
Exterior cleaning done badly damages render, strips coatings and cracks tiles. Here's how we avoid all three.
On the tools since 1998
Not a franchise and not a call centre. You deal with the same small crew that turns up and does the work.
Based in Parramatta
Local to Western Sydney and working across greater Sydney for homes, strata, commercial and industrial properties.
Clean & Capture waste water
Waste water is vacuumed and recovered as we clean, so nothing contaminated enters the stormwater system. It also lets us clean indoors.
Right method for the surface
Soft washing for render, coatings and roofs. Correct-pressure cleaning for concrete and masonry. Steam where heat beats pressure.
Treatment, not just a rinse
Mould and lichen are killed at the root before anything is rinsed, which roughly doubles how long the result lasts.
Fixed written quotes
Scope and inclusions in writing before we start. No hourly creep, no surprises on the invoice.
FAQs
Roof Leak Detection — common questions
Can you find a leak that other roofers couldn't?
Often, yes — usually because the earlier attempts fixed the nearest visible defect rather than testing to confirm the entry point. Water testing is what separates a diagnosis from a guess.
Do you charge for leak detection?
Detection is a chargeable service because it takes time and testing. We quote it upfront, and the report is yours regardless of who does the repair.
Can you repair the leak on the same visit?
Small items like a cracked tile or a short section of pointing, often yes. Larger repairs such as valley replacement are quoted and scheduled.
Will my insurance cover it?
Storm damage is often covered; gradual deterioration usually isn't. Our photo report gives your insurer the documentation they'll ask for either way.
Related services
Often booked together

Roof Repointing
Failed ridge mortar removed, capping rebedded and sealed with flexible pointing that moves with the roof.
Learn more
Roof Restoration
Clean, repair, repoint and recoat — a full restoration that adds years to a tired tile roof.
Learn more
Roof Cleaning
Lichen, moss and black mould removed from tile and metal roofs by crews who work at height every day.
Learn more
Roof Painting
Cement tile and metal roofs prepared, primed and coated with proper membrane systems — not a spray-over.
Learn moreAreas serviced
Roof Leak Detection across greater Sydney
We cover 183 suburbs. Pick your area for local detail, or call 0485 708 883 and we'll confirm on the spot.
Eastern Suburbs
Lower North Shore
Upper North Shore
Northern Beaches
Hills District
Ryde & Northern Suburbs
Parramatta & Western Sydney
Sydney CBD & Inner City
South West Sydney
St George & South Sydney
Sutherland Shire
What customers say
Reviews from Sydney homes, strata schemes and businesses
Genuine feedback from customers of the business, carried across as written.
“Kaine is a very nice and lovely guy who cleaned our roof tiles. He did an exceptional job and was very professional. Very happy with his service, highly recommend!”
My Trieu
Google · Roof cleaning
“Helpful, professional, cooperative and proactive. Did an excellent job on large sandstone areas, driveway and tiled pathway for our unit complex. Highly recommended.”
Bob Smith
Google · Sandstone, driveway & pathway cleaning
“Our house came up so clean, it was like we had a new exterior paint job. Thank you Craig and Kaine for an amazing service!”
Linhlan Arthur
Google · House washing
Free quote for roof leak detection
Send through the details and a few photos and we'll come back with a written fixed-price quote — usually the same day.

