Raise and Relevel is the go-to specialist for house underpinning and foundation repairs. We’ve helped hundreds of homeowners and builders solve soil movement, subsidence and structural instability quickly and effectively.
Underpinning
Your Local Underpinning Experts
Our local experts provide tailored solutions backed by decades of experience and precision artistry. Every project is handled with care, using industry-leading techniques and certified expertise to deliver lasting results. From minor cracks to significant structural movement, we provide reliable foundation repair services that stand the test of time.
20+ Years Experience
Sydney, Melbourne and Brisbane Based Experts
Permanent Foundation Solutions
Engineer Certified
Why Do You Need Underpinning?
These are signs your home may be experiencing soil movement or foundation instability.
Early intervention can prevent significant structural damage and reduce repair costs.
Cracked walls
Sinking Concrete
Uneven Floor
Jammed Doors and Windows
Subsidence
Driveway Releveling
Water Damage
Poor original foundations
Why Underpinning Helps?
Raise + Relevel provides expert underpinning services across Sydney. Our team assesses structural issues to determine the most appropriate underpinning method for each property, ensuring effective foundation stabilisation and long-lasting results. We deliver tailored underpinning solutions for both residential and commercial properties, using modern techniques designed to minimise disruption while providing permanent stability.
It reinforces
foundations.
Underpinning provides extra structural support by increasing the depth or strength of your foundation. During the process, the area around the footing is carefully excavated to reach stable soil, allowing new underpinning footings to be installed.
Techniques such as concrete or mass underpinning provide strong, lasting reinforcement, ensuring your home remains stable and protected for decades.
It reduces the risk of
further subsidence.
By stabilising the foundation, underpinning prevents continued settlement or sinking caused by factors like erosion, weak soil, or poor compaction.
Addressing these issues early stops small foundation movements from turning into significant structural problems. This reduces long-term repair costs and gives homeowners lasting peace of mind.
It closes cracks
and gaps.
Modern underpinning methods allow a structure to be carefully lifted and levelled, closing existing cracks and gaps in walls, floors, and frames.
This restores the property’s structural integrity and helps doors and windows operate smoothly again, leaving the building stronger and more secure.
It improves the
load distribution.
Underpinning redistributes the building’s weight across a broader, more stable base.
By spreading the load over stronger soil or new footings, the foundation can better support the structure and resist future movement.
The result is a safer, more durable home that stands firm over time.
If your home or business requires foundation repair, R+R offers fast and clean underpinning services performed by trained professionals. Our team ensures the foundation is secure, stable, and restored to its original strength.
Our Underpinning Process
Step 1
Foundation
Assessment
Every project begins with a detailed inspection of your property’s foundation. Our specialists assess soil conditions, structural movement and the extent of any subsidence to identify the underlying cause. This enables us to recommend the most suitable underpinning method and ensure accurate, long-lasting results from the outset.
Step 2
Customised
Solutions
No two properties are the same, which is why we design a tailored underpinning plan for each site.
Using our findings from the initial assessment, we develop a cost-effective and efficient solution that targets your specific foundation problems and restores long-term stability.
Step 3
Professional
Execution
Our experienced team uses advanced equipment and proven techniques to complete the underpinning process safely, precisely and with minimal disruption.
We follow engineer-certified procedures to ensure every project is completed to the highest industry standards.
Step 4
Post-Underpinning
Support
After your underpinning is complete, we remain available for ongoing monitoring, advice and maintenance. Our goal is to ensure the long-term stability of your foundation and provide you with confidence that your home or building will remain level and secure for years to come.
If your home or business requires foundation repair, R+R offers fast and clean underpinning services performed by trained professionals. Our team ensures the foundation is secure, stable, and restored to its original strength.
Why Raise + Relevel?
Request a Quote
Underpinning Common Questions
Underpinning is a specialised construction technique used to stabilise and strengthen the foundations of buildings that have experienced movement or settlement. When homes or commercial structures show signs of sinking, cracking, or shifting, underpinning reinforces the existing foundation, restoring the structure’s stability and preventing further damage.
Underpinning methods vary based on the cause and severity of the problem. Standard techniques include traditional concrete underpinning, screw piles, and modern resin injection solutions.
Resin injection is a minimally invasive and cost-effective method that involves injecting structural resin beneath the foundation to fill voids, compact weak soil, and lift the structure.
Underpinning provides several key benefits:
• Correcting foundation movement and restoring structural integrity
• Minimising further damage caused by soil instability
• Increasing the lifespan and safety of the building
• Preventing recurring issues like cracks, sinking, and uneven floors
Underpinning is a proven method used to stabilise building foundations affected by soil instability.
It restores structural stability: Underpinning is designed to strengthen and stabilise the foundations of homes that have experienced sinking or settlement. By transferring the load of the structure onto more stable soil or improving the ground beneath the foundation, underpinning ensures the building remains secure and structurally sound.
It corrects floors and unevenness: Underpinning can help lift and relevel floors that have become uneven due to foundation movement. This not only improves the safety and usability of the space but also prevents further damage to walls, windows, and doors that may no longer close properly.
It prevents future movement: Once the soil beneath a foundation is weak or unstable, further downward movement can occur if left untreated. Underpinning strengthens the foundation by either reinforcing the existing footings or injecting structural resin to stabilise the ground.
It protects property value: Homes that suffer from foundation issues are at risk of decreasing in value. Underpinning restores the structural integrity of the home, making it more secure and retaining its market value.
If your home shows significant structural movement or instability, underpinning may be required to prevent further damage. Foundation problems often develop due to soil conditions, drainage issues, tree roots, or ageing structures. When the ground beneath your home becomes unstable or begins to shift, the foundation can settle unevenly, causing cracks in walls, sloping floors, or gaps in doors and windows.
Underpinning is necessary to:
• Restore the strength and stability of compromised foundations
• Correct uneven floors and structural movement
• Prevent costly long-term damage caused by soil instability
• Address issues resulting from moisture changes, soil erosion, or reactive clay
A home showing signs of subsidence or structural instability should be assessed promptly to prevent more severe foundation damage. Underpinning ensures the structure remains safe, functional, and protected for years to come.
Raise + Relevel provides expert underpinning services across Sydney. Our team assesses structural issues to determine the most appropriate underpinning method for each property, ensuring effective foundation stabilisation and long-lasting results.
We deliver tailored underpinning solutions for both residential and commercial properties, using modern techniques designed to minimise disruption while providing permanent stability.
Our services include:
• Foundation assessment to identify movement or structural issues
• Soil testing and ground improvement techniques
• Customised underpinning solutions
• Resin injection for stabilising weak soil and correcting sinking areas
• Concrete underpinning for added structural support where required
• Restoring structural integrity and levelling floors
If your home or business needs foundation repair, R+R offers fast, clean underpinning services performed by trained professionals. Our team ensures the foundation is secure, stable, and restored to its original strength.
Clients choose Raise + Relevel for reliable, efficient, and high-quality underpinning services. Our team combines structural engineering knowledge, advanced resin injection technology, and years of hands-on experience to deliver permanent foundation solutions.
We prioritise minimal disruption — many jobs can be completed without excavation, allowing homeowners to remain in the property during the process. Our resin injection techniques provide fast stabilisation, while our concrete underpinning options ensure long-term structural protection.
Our commitment to customer service, detailed assessments, and transparent communication ensures every project is managed with precision. We stand behind our work with guaranteed results, giving homeowners confidence in the stability and safety of their property.
FAQ
Your home is everything to you and your family, so before going ahead with any subsidence repairs, we’ve put together a list of questions our customers should ask:
We offer advice, not sales, so we don’t employ salespeople. The person who quotes your job does your job, and has been relevelling homes like yours for over 15 years.
Our specialists have raised over 7,000 homes in total.
If the problem returns, we return. We provide a fully guaranteed warranty on materials and workmanship.
At R+R, we have no call centres, no sales people and minimal overheads, all of which enables us to provide the best value for our customers.
R+R will deliver you better value, through real experience, with guaranteed results.
of Combined Experience
Homes Relevelled
Guaranteed
At Raise + Relevel, experience matters. With a century of combined expertise and over 7,000 homes re-levelled, we deliver lasting results—guaranteed.
Every home is unique. We provide tailored solutions at the best value, ensuring stability without compromise.