
Welcome to Substruct, your local foundation construction and repair experts
Where stong foundations begin
With years of specialised experience in domestic and commercial foundation construction and repair, Substruct delivers high-quality solutions that ensure the stability, strength, and long-term integrity of your building’s foundation.
As underpinning specialists, we lead the way in foundation repair. Whether it’s structural underpinning, restumping, or full-scale foundation work, our team delivers expert service with clear communication, professional standards, and a focus on long-term results.
From the initial site inspection through to project completion, we offer a smooth, transparent process and exceptional workmanship, giving our clients complete confidence and peace of mind.

Our services
Substruct Foundation Construction and Repair Services

We use a range of proven underpinning methods to support buildings affected by ground movement, sinking, or changes in load.
Every site is different, so we assess each one individually to determine the most suitable approach for strengthening and stabilising existing foundations.
Underpinning
SIGNATURE
SERVICE
We provide restumping services for a range of structures, including homes, extensions, and small commercial buildings.
Over time, stumps can deteriorate, shift, or sink - leading to uneven floors, cracks, or structural issues. Our team carefully identifies the underlying cause and recommends the most effective restumping solution to restore stability and level.
Restumping


We offer re-levelling services for structures affected by uneven settling, ground movement, or ageing foundations.
Common signs include uneven floors, sticking doors, and visible gaps. We’ll find the best solution to correct the level and restore structural balance.
Re-levelling
We create retrofit basements by excavating beneath existing structures to add functional space without changing the building's footprint.
Whether you're after extra storage, a workspace, or a living area, we tailor each retrofit basement to suit the property and its conditions.
Basement Retrofits

Reviews
What our customers are saying
"I recently had Substruct underpin a section of my house to create a garage underneath, and they did an excellent job. They not only underpinned the space but also bulked out all the material underneath, making sure everything was solid and secure. The team was professional, hardworking, and kept the site clean throughout the project.
Communication was great. They explained the process clearly and kept me updated every step of the way. I’m really happy with how the space turned out and would highly recommend Substruct for any underpinning or related work."
Bill
Plenty, VIC
David & Sal
"We couldn’t be happier with the incredible work Brad from Substruct did on our 40+ year old home. From start to finish, he was professional, thorough, and genuinely cared about delivering the best possible outcome for us.
Brad’s attention to detail, clear communication, and quality workmanship truly exceeded our expectations. If you’re facing structural issues and want someone reliable, skilled, and trustworthy, we highly recommend Brad from Substruct. An absolute professional who delivers outstanding results."
Wantirna South, VIC
"Brad and the team were fantastic in helping us level our floors in preparation for laying new boards.
He was easy to communicate with, prompt and professional. We wouldn't have the outcome we love today without his help!"
Molly
Kilsyth, VIC

Contact us
Have a foundation issue or need professional advice? Speak to us today! We’re here to help you every step of the way.
Open hours
Request a free, no-obligation quote
