How much does tiling cost in Sydney?

Tiling costs in Sydney typically range depending on tile type, surface preparation, and project size. Bathroom and kitchen tiling may vary based on complexity and materials used.

Do I need waterproofing before tiling?

Yes, waterproofing is essential for wet areas such as bathrooms, laundries, and balconies. Proper waterproofing prevents water damage and ensures compliance with Australian standards.

How long does a tiling project take?

Most residential tiling projects take between one to five days depending on the size, preparation work, and tile type.

What tiles are best for bathrooms?

Porcelain and ceramic tiles are popular choices for bathrooms due to their durability, water resistance, and easy maintenance.

Do you provide tile repair services in Sydney?

Yes, tile repair services include replacing cracked tiles, regrouting, resealing, and fixing loose tiles.

Waterproofing Sydney

Name: Sydney Tiling Services
Address: Sydney, NSW, AU
Telephone: +61 422 551 582
Price range: $$
Rating: 5

Waterproofing Sydney | Licensed Waterproofing Contractors & Remedial Specialists

Water damage is one of the most expensive problems a Sydney property owner can face, and almost all of it is preventable when waterproofing in Sydney is done correctly from the start. At Decore Tiling, we deliver AS 3740-compliant waterproofing services in Sydney for residential and commercial properties across the full greater Sydney region. From bathroom wet area waterproofing and shower membrane installation through to balcony waterproofing and remedial waterproofing for failing or failed systems, our licensed team handles every waterproofing project with the technical precision and compliance documentation that Sydney properties demand.

We are based in Sydney and provide waterproofing services in the Sydney area and across the Central Coast. As one of the leading waterproofing specialists in the region, we certify every job, document every membrane, and issue a full compliance certificate on completion. If you need waterproofing Sydney done properly by a licensed team that stands behind its work, get a free quote from Decore Tiling today.

The Real Cost of Ignoring Waterproofing in Sydney

Here is a scenario that Sydney homeowners and strata managers see more often than they should. A bathroom tile starts lifting in one corner. It looks like a minor cosmetic issue, so nothing is done about it for a few months. Then a damp patch appears on the ceiling of the room below. By the time a waterproofing contractor is called, the membrane in the shower recess has been failing for the better part of a year. The substrate beneath is saturated and structurally compromised. What would have cost a few hundred dollars to address as a membrane repair before tiling is now a full wet area strip-out, substrate replacement, waterproofing reinstallation, and retile. The damage bill runs to several thousand dollars, and none of it was covered by insurance because the original waterproofing was not certified.

This is not a rare outcome. It is what happens when waterproofing is treated as invisible infrastructure that does not need attention until it fails visibly. The challenge with waterproofing is that it fails silently. Water travels through the smallest gaps in a membrane, moves laterally through the substrate, and surfaces as damage somewhere unexpected weeks or months after the point of entry. By the time the problem is obvious, it has been accumulating for a long time.

As experienced tiling contractors Sydney homeowners and strata managers trust, Decore Tiling treats waterproofing as the foundation of every wet area project, not an afterthought to tiling. Protect your property from water damage before the cost of inaction compounds beyond what compliant waterproofing would have cost. Contact us for a free site assessment and honest advice on what your property needs.

Our Waterproofing Sydney Services

As leading waterproofing contractors in Sydney, Decore Tiling delivers comprehensive waterproofing Sydney solutions for all wet areas, elevated outdoor surfaces, and commercial spaces across greater Sydney. Every waterproofing service we provide is carried out by licensed waterproofers using premium Australian-made waterproofing products, with full AS 3740 compliance documentation issued on completion.

Our waterproofing services in Sydney cover:

Bathroom Waterproofing

Full wet area waterproofing for bathrooms, including shower recesses, bath surrounds, bathroom floors, and relevant wall areas. Every bathroom waterproofing job we complete meets Australian Standard AS 3740 before any tile installation begins. This is a mandatory requirement under the Building Code of Australia, not an optional extra.

Shower Waterproofing

The shower recess is the highest-risk waterproofing zone in any Sydney home. We apply compliant waterproofing membranes to the full shower box including all critical junctions between floor and wall, around pipe penetrations, and at the drain interface. Every shower waterproofing project is documented photographically at each stage.

Balcony Waterproofing

Balcony waterproofing is the most commonly failed waterproofing area across Sydney apartments and strata buildings. A failed balcony membrane causes damage not just to the balcony surface but to the unit or room directly below it. We remove tiles where required, repair substrate damage, apply a new compliant membrane to the full balcony area, and retile to a clean, certified finish.

Remedial Waterproofing

Failing or failed waterproofing membranes in existing Sydney homes and commercial properties require remedial waterproofing to address the underlying failure, not just the visible surface symptoms. We assess the extent of the membrane failure, carry out any necessary substrate repair, and install a new AS 3740-compliant membrane system to restore full waterproof protection.

Laundry and Wet Area Waterproofing

Laundries are classified as wet areas under Australian building codes and require the same standard of waterproofing as bathrooms. We waterproof laundry floors and relevant wall areas to AS 3740 compliance on new builds and renovation projects.

Rooftop Waterproofing

Rooftop areas and flat roof decks require specialist waterproofing systems rated for constant UV and weather exposure. We deliver rooftop waterproofing using polyurethane and other flexible membrane systems suited to Sydney’s outdoor conditions, including coastal humidity and temperature variation across seasons.

Commercial Waterproofing

Commercial waterproofing for offices, hotels, restaurants, strata buildings, and retail spaces requires the same AS 3740 compliance as residential work, often with additional requirements around schedule, access, and documentation. Our team handles commercial waterproofing Sydney projects across New South Wales with the professionalism and compliance rigor that commercial clients require. See our commercial tiling contractors Sydney page for more on our commercial capabilities.

Why Sydney Homeowners Choose Decore Tiling for Waterproofing

Finding reliable waterproofing contractors near me in Sydney is not difficult. Finding waterproofing Sydney contractors who do the job properly, certify the work, and back it with a warranty is considerably harder. Here is what sets Decore Tiling apart from other waterproofing companies in Sydney.

Fully Licensed and Highly Qualified Waterproofers

All waterproofing work is carried out by fully licensed and insured tradespeople who comply with the waterproofing standard AS 3740 on every project. Our team is not general laborers who can apply a membrane; they are highly skilled and highly qualified waterproofers who understand how waterproofing fails and precisely what is required to ensure it does not.

AS 3740 Compliance on Every Job

Every wet area waterproofing project we complete meets Australian standards and is documented with a full compliance certificate. This certificate records the membrane type, application coverage, and critical junction treatments. It is issued to the client on completion and is important for strata requirements, insurance purposes, and future property transactions.

Premium Waterproofing Products Only

The quality of materials used in a waterproofing installation determines how long it lasts. We use only quality waterproofing products from reputable Australian manufacturers, selected for their performance under Sydney’s specific climate conditions. Using inferior waterproofing products to reduce costs is a false economy; a membrane failure in year two or three costs multiples more to remediate than premium products would have cost initially.

Meticulous Attention to Detail at Critical Junctions

Most waterproofing failures begin at junctions: where the floor meets the wall, where pipes penetrate the membrane, and around drains. Our team applies meticulous attention to detail at every critical junction on every waterproofing project because these are the points where the membrane is most vulnerable and where cutting corners has the most severe consequences.

Transparent Pricing and Quality Workmanship

Every waterproofing project begins with a detailed, written quote covering the full scope, including membrane specification, surface preparation, and compliance certification. There are no hidden costs and no scope additions without prior agreement. Our waterproofing work is backed by a workmanship warranty, and customer satisfaction at every stage of the project is the standard we hold ourselves to.

Punctual and Professional

We show up when we say we will. Waterproofing disrupts the use of wet areas in a home or business, and we understand that our schedule affects yours. Our team is punctual, communicates proactively, and completes waterproofing projects within the agreed timeframe.

Who Needs Waterproofing Services in Sydney?

Waterproofing services in the Sydney area serve a wide range of clients. Here is a clear breakdown of who engages Decore Tiling for waterproofing across the city.

Sydney Homeowners With a New or Renovated Bathroom: Any bathroom renovation or new bathroom installation in Sydney requires AS 3740-compliant waterproofing before tiles go on. Homeowners across the eastern suburbs, Inner West, North Shore, Northern Beaches, and western Sydney engage our team for bathroom waterproofing as part of a broader renovation or as a standalone service. Waterproof your house the right way from the start and avoid the expensive remedial repairs that follow non-compliant wet-area work.

Strata Bodies and Body Corporates: Balcony waterproofing failures in strata buildings are one of the most common and most expensive waterproofing problems across Sydney. Strata bodies engaging our team receive certified, documented waterproofing work that meets the compliance requirements strata insurance and strata management demand. We manage access, scheduling, and documentation throughout to minimise disruption to residents.

Homeowners With a Leaking Shower or Wet Area: A leaking shower or damp bathroom floor is a waterproofing failure, not a grouting problem. Homeowners who have been re-grouting a leaking shower without resolving the membrane beneath it are delaying the inevitable at increasing cost. Our remedial waterproofing service addresses the actual cause, not the symptom.

Builders and Renovation Contractors: Builders managing new residential builds and renovation projects across Sydney need a reliable waterproofing subcontractor who completes the work to AS 3740, provides compliance certification, and communicates clearly throughout. We work within construction programmes and provide waterproofing documentation that builders need for occupancy certificates and handover.

Commercial Property Owners and Managers: Offices, hospitality venues, hotels, and retail spaces across Sydney need waterproofing to the same standard as residential properties, often with tighter scheduling and more demanding access conditions. Our commercial waterproofing Sydney team delivers on the compliance and scheduling requirements of commercial sectors without disrupting operations.

Property Investors and Landlords: A waterproofing failure in a rental property is a maintenance liability and a potential insurance claim problem if the waterproofing was never properly certified. Landlords across Sydney engage our team for waterproofing assessments and remedial work that brings rental properties up to the compliance standard required.

Signs Your Sydney Property Needs Waterproofing Now

Most Sydney homeowners do not think about waterproofing until something goes wrong. These are the signs you should not ignore and what each one means.

Water stains on ceilings or walls below a bathroom or balcony: By the time a water stain is visible, water has typically been moving through the structure for months. This is a membrane failure and requires remedial waterproofing, not cosmetic treatment.
Damp or soft flooring around a shower base or bathroom floor: Water is getting under the tile surface from a failed wet area membrane. Often accompanied by hollow-sounding tiles where the adhesive bond has been destroyed by prolonged moisture.
Bubbling or lifting tiles on a balcony: Water has been trapped under the tile surface, meaning the balcony waterproofing membrane is no longer functioning. Left unaddressed, this causes structural damage to the balcony slab and the space below.
Mould or mildew that returns quickly after cleaning: A surface moisture problem does not recur this quickly. Persistent mould is almost always a sign of moisture penetrating through a failed membrane and into wall or floor structures.
Musty smell in rooms adjacent to bathrooms or wet areas: Moisture is moving through walls from a failed shower or wet area membrane, particularly common in older Sydney homes where original waterproofing was never done to current standards.
Cracked or rapidly deteriorating grout: Allows water to bypass the tile surface and reach the substrate, accelerating membrane degradation. The grout is not the problem; what is happening beneath it is.

If your Sydney home shows any of these signs, contact us for a free assessment before the damage compounds further.

Our Waterproofing Process

Every waterproofing project at Decore Tiling follows a structured process designed to deliver reliable, certified waterproof protection on every job.

Step 1: Free Consultation and Site Assessment

We visit your property, inspect every wet area and elevated outdoor surface, and assess the substrate condition throughout. You receive an honest assessment of what the waterproofing project actually involves and a clear, itemised written quote before any work begins. This assessment is free and carries no obligation.

Step 2: Written Proposal and Scope Confirmation

Every waterproofing project starts with a written proposal covering membrane specification, surface preparation requirements, compliance documentation, and the full scope of work. Nothing starts until everything is in writing and agreed. This is the step that eliminates unexpected costs and scope disputes.

Step 3: Surface Preparation

Surfaces are cleaned thoroughly, substrate issues including cracks and soft spots are repaired, correct drainage falls are established where needed, and surfaces are primed for optimal membrane adhesion. Proper preparation is what determines how long the waterproofing membrane performs. Our waterproofing team never rushes this stage.

Step 4: Professional Membrane Application

Premium waterproofing membrane is applied at the correct thickness across all specified surfaces. Every junction, penetration, and critical point receives thorough treatment. These are the areas where most waterproofing failures begin, and they receive the most attention at this stage of every waterproofing project.

Step 5: Quality Control and Testing

Membrane integrity is inspected across every surface, coverage is checked, and flood testing is conducted where required to confirm the waterproofing system is performing correctly before tiling proceeds. Any weak points are addressed before the next stage begins.

Step 6: Certification and Handover

A waterproofing compliance certificate is issued on completion. Photographic documentation records the membrane at every critical area. Maintenance advice specific to the membrane system installed is provided. The full compliance package is handed over at the site.

Waterproofing Across Sydney and Surrounding Areas

Decore Tiling provides waterproofing services across all of greater Sydney and the surrounding region. Our waterproofing contractors work in the following areas and beyond:

Eastern Suburbs: Bondi Junction, Coogee, Bronte, Randwick, and surrounding suburbs
Inner West: Newtown, Marrickville, Leichhardt, Annandale, and surrounding suburbs
North Shore: Mosman, Cremorne, Neutral Bay, Crows Nest, Chatswood, Castlecrag, Castle Cove, Northbridge, Lane Cove, Milsons Point, and surrounding suburbs
Northern Beaches: Manly, Dee Why, Freshwater, and surrounding suburbs
Western Sydney and Parramatta: Parramatta, Blacktown, Penrith, and surrounds
South West Sydney: Sutherland, Cronulla, Campbelltown, and surrounding areas
Wollongong and Illawarra region
Central Coast

If your suburb is not on this list, call us directly. We service all of greater Sydney for waterproofing and travel beyond the metro area for the right project. Waterproofing companies in Sydney that cover the full region are not common; as waterproofing contractors near me results consistently show, our team covers more of Sydney than most.

Contact Decore Tiling Today for Your Waterproofing Services

Decore Tiling is Sydney’s trusted choice for waterproofing services across residential and commercial properties throughout Greater Sydney. As one of the leading waterproofing company options for homeowners, strata bodies, and builders across the city, we deliver expert waterproofing services in Sydney backed by AS 3740 compliance certification, premium waterproofing products, and a full workmanship warranty on every project. Whether you need waterproofing Sydney-wide for a new bathroom renovation, a failing balcony membrane, or a remedial waterproofing assessment, our highly skilled team is ready to help. As experienced tiling contractors in Sydney and waterproofing contractors near me, results consistently show Decore Tiling protects your property properly.

FAQs

Waterproofing Sydney FAQs

Here are the questions Sydney homeowners and strata managers ask us most about waterproofing. Call +61 422 551 582 if you have more specific questions.

What areas of my Sydney home need waterproofing?

All wet areas under Australian Standard AS 3740 require waterproofing, including bathrooms, shower recesses, bath surrounds, and laundries. Balconies and all elevated outdoor areas also require waterproofing, particularly in Sydney apartments where a failure affects the structure and the unit below. Any surface where water is regularly present needs a compliant membrane system installed by a licensed waterproofer.

How long does waterproofing take in Sydney?

A standard bathroom wet area waterproofing job takes one to two days including the membrane cure time before tiling can begin. Balcony waterproofing typically takes two to three days depending on the size of the balcony and the condition of the substrate. A clear written timeline is always provided at the quoting stage so you can plan around the work.

How long does waterproofing last in Sydney conditions?

A properly applied membrane to AS 3740 using a premium product should last between ten and twenty-five years depending on the membrane type and the specific conditions of the property. Sydney’s coastal humidity and temperature variation can accelerate degradation in membranes that were underapplied or installed using inferior products. We use premium Australian-made membranes rated for Sydney’s specific climate conditions on every job.

Can you waterproof over existing tiles?

Sometimes, but only when the existing substrate is confirmed as sound and the existing tiles are completely stable with no movement or moisture beneath them. In most cases where waterproofing has failed, tile removal is required to properly access, assess, and repair the membrane underneath. We always assess the situation honestly and recommend the right scope rather than the cheapest shortcut.

Is waterproofing required by law in Sydney?

Yes. Australian Standard AS 3740 is mandatory for all wet areas in Sydney homes under the Building Code of Australia. Licensed waterproofers must carry out the work and issue compliance certification. Skipping waterproofing or having it done by an unlicensed person is both a legal non-compliance and a financial risk if structural damage results and an insurance claim is required.

How do I get a quote for waterproofing services in Sydney?

Contact us through our website or call us directly. We arrange a free on-site assessment, evaluate all waterproofing requirements, and provide a detailed written quote covering the full scope with no obligation to proceed.