Waterproofing in Upper North Shore NSW
Waterproofing Cheltenham
Detect. Seal. Protect.
Waterproofing Cheltenham 2119. Licensed experts in bathroom, balcony, rooftop and remedial waterproofing, finding where water is getting in and sealing it for good.
10+ Years Waterproofing
16 Suburbs Covered
7 Days a Week Support
$0 Call-Out Fee
Waterproofing in Cheltenham, the short answer
Pro Leak Waterproofing provides licensed waterproofing for residential, strata and commercial properties across Cheltenham 2119 and the wider Upper North Shore. We diagnose the source of water ingress, then apply compliant membranes to bathrooms, balconies, rooftops, internal and external walls. Quotes are free, pricing is fixed, and there is no call-out fee. Phone 1300 863 001 to book an inspection.
Do you have a call-out fee?
Yes, our quotes are free and fixed-price, with no call-out fee anywhere in Cheltenham.
Do you hold the required licences?
Yes. We’re a licensed and fully insured waterproofing contractor, licence 55 630 801 277.
How fast?
We book inspections 7 days a week, between 6AM and 10PM, often within 24 to 48 hours.
Is your work completed to Australian Standards?
Our work in wet areas is completed in line with Australian Standard AS 3740 and the NCC.
Professional waterproofing specialists locally
Trusted waterproofing specialists across Cheltenham
Throughout Cheltenham and the Upper North Shore, homes sit among leafy, shaded and often sloped streets, from older brick houses and family homes to duplexes, townhouses, apartments and strata buildings. Heavy rain, stormwater runoff, blocked gutters, poor drainage and ageing membranes can all create hidden leaks, damp walls, mould, ceiling stains, peeling paint and cracked tiles.
Pro Leak Waterproofing helps find the cause of water ingress in Cheltenham and provides the right repair, instead of just sealing over the visible signs. With 10+ years of waterproofing experience, licensed technicians and clear fixed pricing, we protect bathrooms, balconies, rooftops, laundries, external walls and retaining-wall moisture problems before the damage spreads.
Each job starts with an inspection, giving you a clear understanding of what is failing and why. You receive a fixed-price quote and workmanship you can rely on, supported by compliant systems and a tidy, professional finish.
Why Cheltenham property owners choose Pro Leak
Years waterproofing
10+
Licence number
55 630 801 277
Support
7 days
Call-out fee
$0
Quote & pricing
Fixed
Standards
AS 3740

Industry specialist positioning
Waterproofing designed around Cheltenham properties
Three areas where specialist expertise makes the difference for Upper North Shore homes and buildings.
Older brick homes, townhouses and strata properties in Cheltenham
Waterproofing and moisture repair for split-level properties, duplexes, townhouses and strata buildings where shared walls and ageing membranes commonly cause recurring water ingress.
Protective waterproofing for balconies, rooftops and external walls in Cheltenham
Across the Upper North Shore, leafy and sloped blocks with heavy rainfall can create serious water movement issues. We seal balconies, rooftops and external walls against drainage failure and ingress.
Professional bathroom, laundry and wet-area waterproofing in Cheltenham
For family homes, apartments and investment properties where mould, damp walls, cracked tiles or ceiling stains point to failed waterproofing, we repair wet areas to AS 3740 so they last.
Reliable waterproofing services
Comprehensive waterproofing services in Cheltenham
Nine core waterproofing solutions for homes, strata and commercial properties across the Upper North Shore.
Specialist waterproofing for internal areas in Cheltenham
Sealing internal wet areas, walls and floors in Cheltenham homes against leaks, rising moisture and mould with reliable compliant membranes.
Balcony waterproofing for Cheltenham homes and buildings
External wall, foundation and below-ground waterproofing around Cheltenham properties to help prevent stormwater, runoff and ground moisture issues.
Reliable external waterproofing in Cheltenham
Torch-on and liquid membrane waterproofing for flat and sloped roofs across Cheltenham, designed for heavy Upper North Shore rain.
Caulking and Sealing Cheltenham
Precision caulking and joint sealing for Cheltenham properties, closing gaps, perimeters and movement joints where water quietly gets in.
Reliable balcony waterproofing in Cheltenham
Balcony waterproofing in Cheltenham for homes and apartments, built with UV-stable, weatherproof protection against pooling, slab damage and leaks below.
Rooftop waterproofing repairs in Cheltenham
Flat and sloped rooftop waterproofing across Cheltenham, using membranes and drainage detailing built for high-rainfall Upper North Shore conditions.
Specialist planter box waterproofing in Cheltenham
Root-resistant planter box waterproofing for Upper North Shore properties and garden terraces, stopping seepage from staining walls and slabs.
Pool and pond waterproofing across Cheltenham
Pool, pond and water feature coating systems that seal against long-term water loss and structural damage.
How we manage the job
Why people across Cheltenham choose Pro Leak Waterproofing
Six reliability pillars that separate a lasting waterproofing repair from a quick patch.
Properly licensed and insured technicians
All work is delivered by licensed waterproofers (licence 55 630 801 277), with full insurance cover for your peace of mind.
Repair starts with the right diagnosis
We take the time to find the actual source of water ingress first, so the repair targets the cause, not just the symptom.
Compliant systems and workmanship standards
All wet-area waterproofing is completed to Australian Standard AS 3740 and the National Construction Code.
Simple, transparent fixed pricing
Free quotes, upfront fixed pricing and no call-out fee. The number we quote is the number you pay.
Support every day of the week
You can arrange an inspection any day between 6AM and 10PM. Urgent leaks and damp problems do not wait for business hours.
Local insight into Upper North Shore properties
We bring practical knowledge of rainfall, drainage and property types across the LGA, from older brick homes to modern strata.
Our reliable 5-step process
How waterproofing repairs work in Cheltenham
A clear path from the first call to a watertight, guaranteed finish, starting with a proper inspection.
Secure your inspection time
Find what is failing
We find the true source of the leak or moisture and show you exactly what is failing.
Receive a fixed-price quote
We provide transparent fixed pricing, no call-out fee and no unexpected extras.
Clean and seal the area
Inspect and protect
What our customers say
Client feedback from Upper North Shore waterproofing jobs
Benjamin KovalTrustindex verifies that the original source of the review is Google. Tom was great, very easy to chat to, great price and excellent quality. Him and his team worked really hard in turning out job around. Would recommend to those needed a waterproofer. Kuts DuzsTrustindex verifies that the original source of the review is Google. excellent job on my balcony would definitely recommend Hasan CinarTrustindex verifies that the original source of the review is Google. I got my balcony waterproofed. Excellent job highly recommend.
Request your free quote
Get a free waterproofing quote in Cheltenham
Tell us what is happening and we’ll schedule an inspection. Free quote, fixed price and no call-out fee anywhere in Cheltenham 2119.
- Get a free, no-obligation inspection and quote
- Licensed and insured with clear fixed pricing
- Support available every day between 6AM and 10PM
- Wet-area waterproofing completed to AS 3740 requirements
Request your free quote today
Tell us what you’re seeing and we’ll call you back with honest advice and a fixed price. No call-out fee, ever.
Where we service
Service Area
Locally based and servicing the full Upper North Shore. Find Cheltenham 2119 on the map.
Helpful waterproofing answers
Helpful waterproofing FAQs for Cheltenham
What Upper North Shore property owners ask us most often.
How much should I expect to pay for waterproofing in Cheltenham?
Are all your waterproofers licensed and insured?
How long does a waterproofing membrane last?
When professionally installed on a properly prepared surface, waterproofing typically lasts around 10 years or more, with external membranes often lasting longer. Choosing the right system for the area and meeting Australian Standards makes the difference.
What is the usual timeframe for bathroom waterproofing?
How do I know if water is getting past the waterproofing?
When do you need remedial waterproofing?
Remedial waterproofing repairs existing waterproofing that has failed or was not installed correctly in the first place. Rather than just treating the symptom, we diagnose the source of the water ingress and rebuild the protection so the leak does not return.
Is your wet-area waterproofing compliant with Australian Standards?
Yes. Our wet-area waterproofing is completed to AS 3740 and aligns with the National Construction Code, using compliant membrane systems suited to each surface and use so the finished work meets building requirements.
Do you waterproof strata and apartment buildings?
Yes, we handle waterproofing for strata, apartments, townhouses and duplexes across the Upper North Shore, including shared balconies, common areas and individual units. We can coordinate with owners, managers and committees to keep disruption minimal.
Can you apply waterproofing over tiles?
How soon can waterproofing repairs be started?
What causes rooftop and balcony water ingress?
What warranty do you offer on waterproofing?
Are your waterproofing quotes in Cheltenham free of charge?
Which areas are included in your waterproofing service coverage?
We cover Cheltenham and suburbs right across the Upper North Shore, including Asquith, Beecroft, Berowra, Berowra Heights, Cheltenham, Cherrybrook, Hornsby, Hornsby Heights, Mount Colah, Mount Kuring-Gai, Normanhurst, North Epping, Pennant Hills, Thornleigh, Waitara and Westleigh.
Waterproofing help and resources
Waterproofing standards for local property owners
AS 3740 wet-area standard
The Australian Standard for domestic wet areas that our bathroom and laundry waterproofing follows.
Hornsby Shire Council
For local DA and building approval information relevant to remedial and renovation work.
NSW Fair Trading
Information about licensed building work and your rights before engaging a waterproofing contractor in NSW.
Areas nearby
Upper North Shore waterproofing services
We waterproof homes, strata and commercial property in Cheltenham and these neighbouring suburbs.
NSW 2077
NSW 2119
NSW 2081
NSW 2082
NSW 2119
NSW 2126
NSW 2077
NSW 2077
NSW 2079
NSW 2080
NSW 2076
NSW 2121
NSW 2120
NSW 2120
NSW 2077
NSW 2120
Stop the water ingress in Cheltenham for good
Book a free inspection with the Upper North Shore waterproofing specialists. Fixed price, no call-out fee, support 7 days a week.

