Certified Drainage for Developments, Businesses & Infrastructure

AH Drainage delivers large-scale drainage solutions for commercial, industrial, and civil projects across Auckland. We manage design, installation, and all council and Watercare requirements to ensure every system is compliant, durable, and built to perform under pressure.

Subsoil drainage pipe installed to remove excess groundwater.
Stormwater drain used to collect and redirect surface water.

Reliable, Scalable Drainage for Commercial Projects

With over 50 years of experience, AH Drainage supports builders, developers, civil contractors, and facility managers with certified commercial drainage services across Auckland. Our team understands the technical, regulatory, and scheduling demands of commercial construction — delivering accurate installation and dependable timelines.

We handle all Auckland Council and Watercare paperwork, coordinate with architects and engineers, and keep your site compliant from start to finish. From stormwater design and sewer installation to subsoil systems and flood remediation, we deliver practical, future-proof drainage built for long-term performance. 

Commercial Drainage Services

AH Drainage provides a full suite of drainage services designed for commercial developments, industrial sites, and public infrastructure. Every project is delivered with certified workmanship, strong quality control, and a focus on safe, compliant installation.

Sewer pipe installation in a freshly excavated trench as part of drainage and wastewater infrastructure work.
Sewers

Installation, repair, and replacement of commercial sewer systems built for reliable capacity and long-term performance.

Stormwater drain used to collect and redirect surface water.
Stormwater

Custom-designed stormwater systems for large sites, protecting buildings and hard surfaces from heavy runoff and flooding.

Subsoil drainage pipe installed to remove excess groundwater.
Subsoil Drainage

Engineered subsoil systems for car parks, retaining walls, and foundations — preventing water build-up and keeping sites stable.

Driveway drainage channel installed to direct rainwater away from paved areas.
Driveway Channels

Heavy-duty channel drainage solutions for car parks, accessways, industrial wash-down areas, and high-traffic surfaces.

CCTV inspection camera being inserted into a drainage pipe.
CCTV Surveys

High-definition CCTV inspections for commercial networks — essential for fault detection, maintenance planning, and compliance.

Person working on a flooding prevention solution using drainage tools.
Flooding Solutions

Mitigation and repair services for stormwater failures and site flooding. Fast response and long-term protection.

Protective waterproof layer used to prevent moisture penetration in drainage areas.
Waterproofing

Specialist waterproofing for below-ground structures and retaining walls, with long-term warranties and certified installation.

Plumbing and drainage pipes emerging from a residential building
Insurance Remediation

Assessment, repair, and reinstatement of drainage systems following flood or water-related damage, with full insurance reporting support.

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Partner with Auckland’s Trusted Commercial Drainage Team

Talk to AH Drainage about your upcoming development or infrastructure project. We deliver certified results, efficient coordination, and reliable service from start to finish. 

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