Underpinning in Austinmer

  • Licensed & Insured
  • Family business for over 168 years
  • Affordable, Quality Work

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Austinmer Underpinning

When homes in Austinmer start to show signs of foundation movement, professional underpinning becomes essential. At Knobel Builders, we bring years of experience and reliable workmanship to underpinning projects across the Austinmer area. Whether it’s cracks in the walls, sloping floors, or sinking foundations, we understand the local soil conditions and how to correct structural concerns efficiently and safely. Our team works with precision and care to ensure long-term support and integrity for your home.


With a focus on tailored solutions and clear communication, we make the process straightforward for homeowners. We also keep disruption to a minimum while delivering effective results. Backed by our building licence (26371) and a commitment to quality, we deliver support where it matters most.


Need a quote or advice about your foundations? Call us on 0417 286 971 to get started.

Tailored Foundation Solutions

No two homes are the same, and that’s especially true when it comes to foundation issues in a place like Austinmer. We begin with a close inspection of the site, checking for movement, moisture issues, and soil stability before recommending a plan. We'll then deliver a structured approach to strengthening your foundations, using methods that suit the building’s layout and underlying issues.


Whether we’re supporting a newer build or reinforcing an older home, our attention to detail ensures everything is done to standard. We also guide you through each stage, so you feel informed. Our work not only restores peace of mind but often improves the value and safety of the property. Homeowners in Austinmer turn to us because we combine local insight with proven results.


We’re here to help you feel confident in your home’s stability — one footing at a time.

Why Locals Choose Us?

We combine professional experience with a local understanding of Austinmer properties and soil conditions. Our team arrives on time, provides honest advice, and completes all work with minimal disruption to your home. We tailor our underpinning services to suit your building’s structure and needs, and back our work with reliable workmanship and attention to detail.


You can expect clear communication from start to finish and a team that respects your time, space, and investment. We’re also fully licensed and qualified to manage structural reinforcement work.


Get in touch today, and we’ll walk you through how we can help.

Location Resources

Neighbouring Areas:
  • Bulli, 2516
  • Corrimal, 2518
  • Woonona, 2517
  • Helensburgh, 2508
  • Fairy Meadow, 2519
Local Resources:

Frequently Asked Questions

  • Is underpinning always necessary for foundation cracks?

    Not always. Some minor cracks are due to seasonal movement or shrinkage and may not require structural intervention. However, if cracks are wide, expanding, or accompanied by other signs like sinking or movement, underpinning might be necessary to stabilise the foundation. A professional assessment will help differentiate between cosmetic issues and structural problems that require underpinning.


  • What’s the difference between underpinning and restumping?

    Underpinning involves strengthening the foundation of a structure built on a slab or footing, often using concrete or screw piles beneath the existing foundation. Restumping (or reblocking) refers specifically to replacing or reinforcing stumps used in homes built on stump foundations. Both aim to stabilise the home, but the method and structure type differ.


  • How long does underpinning take?

    The duration of an underpinning project depends on the property size, the extent of the issue, and the chosen method. On average, it can take anywhere from a few days to several weeks. More complex jobs involving multiple underpinning points or difficult site access may take longer. Planning, inspections and post-underpinning curing times should also be considered.