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Stormwater Drainage Sydney
Same Day, $0 Call Out, Lifetime Warranty

Poor stormwater drainage can lead to flooding, pooling water, and long-term damage to your home’s foundations. At Champion Plumbing & Drains, we offer professional stormwater drainage services for homes throughout Sydney’s Inner West, helping to manage rainwater safely and effectively.


Our licensed plumbers design, install, clear, and repair stormwater systems that collect surface rainwater from roofs, driveways, and yards, then direct it away from your property to prevent water damage.

What is Stormwater Drainage?

Stormwater drainage is the system that removes rainwater from your property. It collects water from gutters, downpipes, surface grates, and paved areas, then carries it through underground pipes to council stormwater mains or approved discharge points.

A properly designed stormwater system prevents rainwater from pooling around your home, flooding your yard, or saturating soil near foundations. Without adequate stormwater drainage, even moderate rainfall can cause damage over time.

Downpipe and gutter installed on a newly built house

Common Signs You Need Stormwater Drainage Work

You may need stormwater drainage repairs or upgrades if you notice:

Icon of two pools of water
Water pooling in your yard
Icon of a flooded home
Flooding near your home’s foundations
Icon of a flood
Overflowing stormwater pits or grates
Icon of a water puddle
Water collecting around downpipes
Damp icon
Persistent damp areas outdoors
icon of a crack
Cracked paving or concrete caused by water movement

These signs often point to blocked stormwater drains, damaged pipes, or drainage systems that are no longer suitable for the property.

Our Stormwater Drainage Solutions

We provide complete stormwater drainage solutions tailored to your property and site conditions.

Stormwater Drain Installation

We install new stormwater drainage systems to capture roof and surface runoff and direct it safely away from your home. Each system is designed based on roof area, land slope, and rainfall exposure.

Blocked Stormwater Drain Clearing

Leaves, silt, dirt, and debris commonly cause blocked stormwater drains. We clear blockages using professional equipment to restore proper water flow and reduce the risk of flooding during heavy rain.

Stormwater Pit Installation

Stormwater pits are installed in low points where surface water naturally collects. Correct pit placement helps intercept water flow and channel it into underground drainage pipes.

Yard and Surface Drainage Solutions

We design drainage solutions for yards, driveways, and paved areas where surface water accumulates. This includes surface grates and channel drains to manage runoff effectively.

Downpipe Connection and Relocation

Poorly positioned or disconnected downpipes can cause water to pool around your home. We connect or relocate downpipes, so roof water flows directly into your stormwater system.

Stormwater Drain Repairs

We repair cracked pipes, collapsed drains, damaged pits, and failed connections that cause leaks or blockages. Our repairs restore flow and help prevent surface flooding onsite.

Why Proper Stormwater Drainage Matters

When rainwater is not directed away from your home, it can saturate the soil around the foundations and cause movement over time. This may lead to cracking in walls, uneven floors, and damage to external paving.


Many Inner West homes have older stormwater systems that were not designed for modern roof sizes or current rainfall patterns. Upgrading or repairing your stormwater drainage helps protect your property and reduce the risk of costly repairs.

Plumbing Services for Every Home

Safe Hands. Reliable Service. Champion Results.

Need Help With Other Blocked Drain Issues?

If your stormwater problems are part of a wider drainage issue, we can help. Visit our Blocked Drains page for solutions covering toilets, sewers, sinks, and showers.

If your issue relates to water building up in the soil around your home, such as soggy ground or pressure near retaining walls, we also provide dedicated Subsoil Drainage solutions designed to manage groundwater below the surface.

For any other plumbing work, explore our full range of Plumbing Services.

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Costs vary by scope: clearing a blocked stormwater pit is a smaller job, full system upgrades on sloped Inner West blocks cost more. Every job starts with an on-site assessment, then a fixed-price quote before any work begins. $0 call-out fee. See our full pricing for the wider structure.

Watch for water overflowing from pits during rain, pooling water around downpipes, and persistent soggy patches in the yard once the rain has stopped. Heavy leaf fall in autumn is the main culprit on Inner West properties with mature trees nearby. If you’ve got water near the foundations, that needs urgent attention.

Stormwater drainage handles surface water from roofs, gutters and paving and carries it to the council main. Subsoil drainage handles groundwater that builds up in the soil around your foundations. Older Inner West homes often need both, especially on sloped sites. We design and install each separately.

Once a year is the baseline. Inner West properties with mature fig, plane or jacaranda trees nearby usually need a check twice a year, before and after autumn leaf fall. Catching a partially blocked stormwater pit before a Sydney summer storm hits is much cheaper than fixing the flooding afterwards.

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