Underpinning in Wollongong
- Licensed & Insured
- Family business for over 168 years
- Affordable, Quality Work
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Wollongong Underpinning
If your home is showing signs of movement—like cracks in the walls, sticking doors or sloping floors—it could mean your foundation needs attention. At Knobel Builders, we offer professional underpinning services across Wollongong to help stabilise and strengthen homes affected by ground movement or poor original construction.
Underpinning is a complex process, but our team brings years of hands-on experience and a practical approach to get it done safely and effectively. We’ll walk you through your options, explain the process in simple terms and keep you informed every step of the way. Whether you’re dealing with subsidence or planning an extension that needs extra support, we’ve got the tools and knowledge to do it right.

Need to speak with someone about foundation issues? Call us on 0417 286 971, and we’ll take a look.
Safe, Long-Term Foundation Solutions
We know that foundation issues can feel overwhelming, especially when you’re not sure how serious the problem is. That’s why we take the time to assess the site properly, give you honest feedback, and only recommend underpinning when it’s the right solution.
Our underpinning work is completed using proven techniques and materials that ensure long-term stability. We don’t cut corners, and we always work with engineers to make sure everything meets Australian standards. You can rely on us to handle the job efficiently, with minimal disruption to your home or business.
If you’ve noticed movement or cracking, don’t wait for it to get worse—get in touch with our friendly team to organise an inspection and free quote.
