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Retaining wall repair service in Auckland

Complete Retaining, part of The Complete Group, brings over 30 years of combined industry experience to retaining wall repairs.

Our expert team specialises in repairing and reinforcing retaining walls made from timber, stone, and concrete, restoring structural integrity and protecting your property from soil erosion and flood risk.

Contact us today for a free, no-obligation quote.

2025

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Our repair service

Several things can go wrong with your retaining system, sometimes due to shoddy construction – or just the passage of time. When we come by to assess your retaining walls, we will look for the following common issues:

Cracked or damaged blocks

Individual blocks or panels may crack due to shifting soil or water pressure, requiring replacement or patching.

Leaking or blocked drainage

Proper drainage is crucial for wall stability; any blockage or leaks can lead to water buildup, weakening the structure.

Tilt or lean

If the wall tilts or leans due to soil pressure or improper installation, it may need to be straightened and reinforced.

Cracked concrete

Concrete walls may develop cracks over time, requiring repairs to prevent further damage or erosion.

Loose stones or blocks

Stone or block walls can have loose sections that need resetting or replacement to maintain structural integrity.

Foundation shifting

If the foundation has shifted due to soil movement or water erosion, the wall may need to be re-levelled and reinforced.

Corroded metal components

For walls that include metal elements (like reinforcements or gabion baskets), corrosion may occur and must be addressed.

Weakened support structures

Any supports that have been damaged or eroded (such as timber posts or anchors) may need to be replaced or strengthened.

Sagging or bulging

Walls that sag or bulge can be caused by poor drainage or excessive weight, requiring structural reinforcement.

Why choose Complete Retaining?

  • Retaining experts: Over 30 years of collective experience creating, reinforcing and repairing walls.
  • Custom outdoor solutions: Tailored design and construction for retaining walls that help you meet your exterior goals and maximise space.
  • Premium materials: We use high-quality concrete, stone, timber, and steel for lasting durability.
  • Fully licensed & compliant: All our projects meet New Zealand building codes and council regulations. 
  • Timely project completion: We stick to deadlines without sacrificing quality. 
  • Competitive pricing: Get expert craftsmanship at affordable rates with no hidden fees.
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FAQs

How do I know if my wall needs repairs?

Look for signs like bulging, leaning, cracking, or horizontal cracks, as well as soil separation or water pooling at the base. These symptoms often indicate structural issues that require attention. We can assess and repair as needed.

What causes retaining walls to fail, and how are they repaired?

Common causes include poor drainage, inadequate reinforcement, improper backfill, soil settlement, overloading, erosion, and material degradation. Repairs may involve installing proper drainage (such as weep holes or perforated pipes), reinforcing with anchors or tiebacks, rebuilding compromised sections, improving backfill materials, or even full replacement if the damage is extensive.

Can you reinforce my wall instead of replacing it?

Yes, we can reinforce walls by fixing tilts, replacing damaged sections, and improving drainage. If damage is severe, replacement may be the best option.

Do I need council consent for repairs?

Not always. It depends on the wall height and repair type. We can advise on consent requirements and handle the process if needed.

Can I attempt DIY repairs, or should I hire a professional?

Minor maintenance like cleaning or sealing small cracks may be DIY-friendly. However, structural problems such as tilting walls or major cracking, should be handled by professionals who understand soil mechanics, load-bearing principles, and proper drainage systems. If you're unsure, contact us for a free, no obligation quote.

Let’s bring your idea to life

Whether you're planning a new build, upgrade, or repair, our team is here to make the process smooth and stress-free. Contact us today for expert advice and a free, no-obligation quote. At Complete Retaining, we combine experience, reliability, and attention to detail to get your project done right - from start to finish.

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Expert team

Our team are highly trained and experienced professionals with extensive industry knowledge.

Tailored solutions

We understand that every property has unique requirements. We offer fully customised solutions that fit your project.

Timely & reliable

You can rely on us to deliver excellent results within agreed timelines. We prioritise reliability and punctuality.

Quality materials

We use high-quality materials and advanced equipment to ensure longevity and effectiveness for all completed tasks.

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