Sandstone & Structural
Retaining Walls
Built for strength, stability and long-term performance, Dunn’s Excavation & Bulk Haulage delivers expertly constructed sandstone and structural retaining walls across NSW.
Professional Sandstone Retaining Walls Across NSW
At Dunns Excavation & Bulk Haulage, we specialise in sandstone and structural retaining walls built to last. Whether it’s for residential landscaping, sloping sites or large-scale developments, our team combines skilled workmanship with reliable machinery to deliver safe, durable and great-looking results. From excavation and base preparation through to final installation, we handle the full process with care and precision, on time, on budget and always to the highest standard.
Trusted by homeowners, builders, and developers for quality sandstone retaining wall construction.
How We Work | Our Retaining Wall Construction Process
Dunn’s Excavation & Bulk Haulage follows a clear, step-by-step process to deliver durable, great-looking sandstone and structural retaining walls. From the first site inspection to the final clean-up, every stage is handled with precision, safety and care — ensuring a smooth experience and long-lasting results.
- Site Inspection & Quote
We assess your site and provide an accurate, obligation-free quote.
- Excavation & Base Prep
- Sandstone Wall Construction
- Final Clean-up & Inspection
We leave your site clean, safe and ready to use.
Strong Foundations Built to Last
At Dunn’s Excavation & Bulk Haulage, we take pride in building retaining walls that don’t just look great — they stand the test of time. Every wall is engineered for strength, drainage and durability, ensuring your property stays stable and safe for years to come.
Whether it’s a residential garden, sloping site, or large-scale development, our sandstone and structural retaining walls combine expert craftsmanship with modern equipment to deliver precision and quality in every project.
Why Choose Dunn for Your Retaining Wall Project
With decades of combined experience and a genuine focus on quality, Dunn’s Excavation & Bulk Haulage delivers sandstone and structural retaining walls that last. We handle everything from excavation to installation with precision, safety and care.
- Expertise in Retaining Walls
From sandstone to concrete sleeper systems, we build retaining walls that are strong, stable and visually appealing, tailored to suit any site or slope.
- Built for Strength & Longevity
We follow proper engineering and drainage practices to ensure every wall resists soil movement, erosion and weather damage for years to come.
- Tailored Site Solutions
Get in Touch for a Retaining Wall Quote Today
Our Work Speaks for Itself
“The Dunn's team handled our site preparation and retaining wall build from start to finish, no delays, no dramas. Communication was excellent the whole way through, and they made sure every stage was completed properly before moving to the next. The crew was professional, turned up on time, and worked hard to get it done right. Great local business that takes real pride in their work.”
Mark R.
Wollongong
“We hired Dunns Excavation for a large earthmoving and drainage project on our property, and they absolutely nailed it. From the first quote to the final cleanup, the process was smooth and straightforward. Their operators clearly know what they’re doing, and the machinery was well maintained. The team was friendly, efficient, and respectful of our property — couldn’t have asked for a better experience.”
Sarah T
Mittagong
"We’ve been using Dunns for several commercial haulage and excavation jobs over the past couple of years, and they’ve never let us down. Always reliable, quick to respond, and flexible when site conditions change. Their drivers and operators are experienced and safety-focused, which makes a huge difference when you’re on tight deadlines. Solid company with genuine people who know their trade."
Jason L.
Southern Highlands Builder
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Get one of our team members to give you a call to discuss your project!