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A homeowners guide

For an approximate price to solve your structural issue, select one of the tabs below.

House Subsidence

Subsidence

House Subsidence

We are here to help homeowners with subsidence. Whether caused by reactive soils, soil erosion, thirsty vegetation, vibrations or poor workmanship, our teams are equipped with the latest technology to solve your problem.

With years of experience repairing subsidence problems for homeowners, we can underpin your foundations in just one or two days – saving you time and money.

Find out more about house subsidence and our underpinning solutions.

What is the approximate price of subsidence repair?

Between

$4K & $16K*

*Pricing varies based on your requirements. Every project we undertake gets a thorough structural assessment and fixed-price quote.

Wall Cracks

Wall Cracks

Wall Cracks

Wall cracks can be caused by a variety of factors. These factors include poor workmanship, additional loads, expanding materials, poor drainage and subsiding ground.

Our expertise lets us diagnose the true cause of your wall cracks, prescribe accurate solutions and make quality repairs, fast. Our goal is to provide top service at the most cost-effective prices around.

Find out more about wall cracks and our wall crack repair solutions.

What is the approximate price of wall crack repair?

Between

$2K & $8K*

*Pricing varies based on your requirements. Every project we undertake gets a thorough structural assessment and fixed-price quote.

Rising Damp in Walls

Rising Damp

Rising Damp in Walls

With rising damp, your walls may show tide-like stains, blistering paint, structural damage and even be covered in heavy mould. If you have rising damp, your masonry is soaking up water. This threatens your home’s structural integrity.

There are many reasons for rising damp but our extensive experience helps us pinpoint the root cause with precision and speed. With our expertise we prescribe accurate solutions at affordable prices.

Find out more about rising damp and our damp proofing solution.

What is the approximate price to repair rising damp?

Between

$2K & $6K*

*Pricing varies based on your requirements. Every project we undertake gets a thorough structural assessment and fixed-price quote.

Sinking Floor Piers

Sinking Floor Piers

Sinking Floor Piers

Floor piers sink due to unstable ground caused by leaking pipes, poor drainage, drought, vibrations, thirsty vegetation and much more. As your floor piers sink, so will your floors, walls and even your roof.

Our expertise and proprietary products let us diagnose the reason your floor piers are sinking, with accuracy and speed. We use this same expertise to prescribe the right solutions and make repairs affordable.

Find out more about sinking floor piers and our floor pier jacking solutions.

What is the approximate price to repair sinking floor piers?

Between

$4K & $8K*

*Pricing varies based on your requirements. Every project we undertake gets a thorough structural assessment and fixed-price quote.

Sunken Concrete Slabs

Uneven concrete slab in an Australian home

Sunken Concrete Slabs

There are many reasons why concrete slabs sink. The main reasons include soil erosion, poorly compacted sub-soils and clay shrinkage.

We’ve developed special techniques to relevel sunken concrete and aim to offer the most cost effective pricing around.

Find out more about sunken concrete slabs and our concrete releveling solutions.

What is the approximate price to relevel sinking concrete?

Between

$4K & $8K*

*Pricing varies based on your requirements. Every project we undertake gets a thorough structural assessment and fixed-price quote.

Leaning House Walls

A leaning wall as a result of wall tie failure

Leaning House Walls

Leaning walls can be caused by unstable ground, broken cavity ties, masonry decay, vibrations, increased load and more. Some leaning walls are obvious to the naked eye but others are less so.

With our expertise and skill we can spot leaning walls and identify the true cause of leaning, quickly and accurately. We can also prescribe the exact solutions and implement outstanding repairs using our proprietary products at low cost.

Find out more about leaning house walls and our remedial wall tie solution.

What is the approximate price to repair leaning walls?

Between

$2K & $6K*

*Pricing varies based on your requirements. Every project we undertake gets a thorough structural assessment and fixed-price quote.

Why Choose Buildfix

Here’s what you can expect.
FREE Assessment Our experts assess your home, pinpoint structural issues, and offer permanent repair advice—all at no cost.
Transparent Pricing No tricks, no surprises. You’ll receive a clear, fixed-price quote and detailed repair plans for total clarity.
Unlimited Materials No matter how much GeoPoly™, HelicalBars™, or DampBlock™ you need, we’ll supply uncapped amount to fix it right.
Peace of Mind Our 20-year warranty provides full coverage, ensuring your home’s integrity and your confidence.

WATCH VIDEO

Watch this video to discover how Buildfix can solve your structural issues.

Have any questions?

We are here to answer any questions you may have Monday – Friday 9am to 4pm AEST. Give us a call on 1300 854 115.

Our repair costs typically range from $4,000 to $16,000, depending on the size and complexity of the issue. With Buildfix, you’ll receive a transparent, fixed-price quote tailored to your specific needs, so you can plan confidently without worrying about hidden fees or unexpected charges.

At Buildfix, we believe in providing you with peace of mind. Our fixed-price quotes include unlimited* GeoPoly™ resin for your job, ensuring there are no surprise charges. Unlike allowance-based quotes, which charge per kilo once the allowance is exceeded—often doubling or even tripling the original price—our transparent pricing guarantees you know the exact cost from the get-go. This straightforward approach ensures you can make confident decisions without worrying about hidden costs.

*Unlimited GeoPoly™ resin applies to residential customers only.

Not at all. Our precision drilling creates small, coin-sized holes, eliminating the need for messy excavation. Repairs are quick, clean, and minimally invasive—you can stay home with minimal disruption.

Our GeoPoly™ resin injection is a quicker, cleaner, and more precise solution than traditional underpinning. It targets the root cause, lifting and stabilising your foundation immediately. Many homeowners see instant, permanent results.

Looking for a solution? Have your home assessed by an expert

We’re happy to look at your home for FREE.

Looking for a solution? Have your home assessed by an expert

We’re happy to look at your home for FREE.

More Questions...

Look for signs like wall cracks, sloping floors, or sticking doors. If you’re concerned, we offer free structural assessments to identify the cause. We’ll provide honest advice and, if needed, a detailed repair plan with a fixed-price quote.

Our full-time technicians and trades professionals handle your project, overseen by our in-house licensed builders and structural engineers. We never outsource or subcontract, ensuring top-quality work from start to finish.

Our 20-year warranty covers materials and workmanship, plus unforeseen issues like flooding, soil erosion, or tree root damage—even if unrelated to our repairs. If problems arise at the repaired location, we’ll fix it at no cost.

Yes. GeoPoly™ is our proprietary product, developed and manufactured exclusively by Buildfix in Australia. We’re the only foundation repair company with rights to this formulation.

No need. We handle everything, including drainage inspections and blockage repairs. Our in-house plumbers ensure your underground services are protected, making the process seamless and hassle-free.

No. You only pay once the job is completed.

Not always. Fixing the foundation is crucial, but additional repairs may be needed for wall cracks or other issues. We offer over 30 specialised methods to fully restore your home.

We provide various structural repairs like wall crack repairs, concrete slab revelling, floor pier and stump repairs, and solutions for rising damp. We also offer cosmetic services like mortar repointing, plastering, and rendering.

We serve most major metropolitan areas and some regional locations across Australia, with hubs in Sydney, Melbourne, Brisbane, and Perth. Unsure if we cover your area? Call us at 1300 854 115.