Building Residential Tunnels
Underground access in your home.
We construct tunnels for houses across Sydney. Our custom-built tunnels offer a safe, private, and convenient connection—perfect for modern living. With our team’s years of local experience, we manage the entire process from planning to completion, ensuring minimal disruption and maximum value. Whether you're building new or upgrading your home, our expert team delivers tailored solutions to suit your property.
Contact Us
gprice@rtco.com.au
0427 385 457
Our Services
Garage Access
Build a seamless, private tunnel from your main residence to garages, boatsheds and jetties
Underground Rooms and Wine Cellars
Expand your home with underground wine cellars, storage areas and living spaces
Underground Connections
Connect properties underground for pedestrian access and utility corridors
“Scientists discover the world that exists; engineers create the world that never was."
– Theodore von Kármán
Get in Touch
See what’s possible for your block, your lifestyle and your home. Your consultation is the first moment your tunnel begins to take shape.