Core Drainage Solutions
Reliable and efficient services to maintain and improve your property’s drainage system. Our expert team delivers tailored solutions for repairs, installations, and preventative measures, ensuring long-term performance and peace of mind.
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Defective Drainage Replacements:
Replace faulty pipes for seamless functionality. -
New Drainage Installation:
Tailored solutions for new construction projects.cavation: Safely expose underground utilities with precision. -
Retention/Detention Tank Installations:
Prevent flooding with smart tank solutions. -
Flooding Solutions:
Effective methods to resolve flooding problems. -
Grease Trap/Interceptor/Manhole Installations:
Enhance drainage efficiency with specialised fittings.
Advanced Support & Compliance
Specialised services to ensure long-term reliability and regulatory compliance. From council approvals to infrastructure rehabilitation, we help you meet requirements while maintaining safe, effective drainage systems.
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Manhole Rehabilitations:
Revitalise ageing infrastructure for continued functionality. -
Hydro Excavation:
Safely expose underground utilities with precision. -
New Waste/Stormwater Connections:
Integrate drainage systems with new developments. -
Watercare/Council Approval:
Gain assistance for streamlined approvals with local authorities. -
Full Reinstatement Services:
Restore areas post-repair, ensuring minimal disruption.
Our Services
Everything drainage, done right
From urgent call-outs to complex civil projects, ASR Group covers the full spectrum of drainage solutions.
Drainage Solutions
From residential repairs to large-scale civil projects, ASR provides expert drainage solutions to keep water moving safely and efficiently.
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CCTV Inspections
Detailed underground footage and fast reports for compliance, pre-purchase checks, or identifying issues before they escalate.
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Vacuum Loading
Powerful extraction for septic tanks, grease traps, chambers and soak holes, with safe disposal.
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Unblocking & Cleaning
Hydro-jetting, root cutting, and emergency services to clear blockages and restore flow quickly.
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Delivering reliable, expert drainage solutions
Need drainage sorted?
We’re here 24/7 to keep Auckland flowing.
Frequently asked questions
ASR Group provides drainage services across the entire Auckland region. If you’re unsure whether your location is covered, contact us and we’ll confirm.
Yes. ASR Group offers emergency drain unblocking 24 hours a day, 7 days a week. Our rapid response team ensures blockages are cleared quickly to prevent further damage.
The cost of drainage work in Auckland depends on the service required. At ASR Group, we offer transparent pricing with no hidden fees. You’ll receive a clear quote before any work begins.
Most homeowners should arrange a CCTV drain inspection every 2–3 years, or sooner if there are recurring issues like bad smells, slow drains, or repeated blockages. For developers or property managers, inspections are essential before and after construction.
Hydro jetting uses high-pressure water to clear blocked drains and pipes. Vacuum loading removes debris, sludge, or waste from systems like septic tanks, grease traps, and soak holes. Both methods help maintain a healthy drainage system.
Yes. Our team assists clients with council and Watercare approvals to ensure new drainage installations, stormwater connections, and wastewater systems meet all local requirements.
ASR Group is trusted for over 15 years of experience, 24/7 emergency support, advanced drainage technology, and a strong focus on safety and transparent communication. We deliver reliable solutions for homeowners, property managers, and developers.