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DG. Gardens — Brisbane
Retaining Walls
Engineered for Brisbane's Terrain
Brisbane's hilly terrain demands retaining walls that are both structurally sound and architecturally beautiful. At DG. Gardens, we design and build retaining walls that do more than hold back soil — they define spaces, create usable terraces, and become signature features of the landscape. From natural sandstone and granite to architectural concrete and corten steel, our retaining walls are engineered to last and designed to impress.
Everything You Need,
Under One Roof
Structural Engineering & Design
Every retaining wall we build begins with a thorough site assessment and, where required, structural engineering certification. We work with registered engineers to ensure all walls comply with Brisbane City Council requirements and Australian Standards. Our design team then develops a solution that is both structurally sound and visually cohesive with the broader landscape design.
Natural Stone & Premium Materials
We specialise in natural stone retaining walls — sandstone, granite, and basalt — that age beautifully and complement Brisbane's subtropical landscape. We also work extensively with architectural concrete, corten steel, and treated hardwood sleepers. Every material is selected for its durability, aesthetic quality, and suitability for the specific site conditions.
Drainage & Waterproofing
Proper drainage is the most critical element of any retaining wall. We install agricultural drainage pipes, geotextile fabric, and appropriate backfill to ensure water is managed correctly behind the wall. This prevents hydrostatic pressure build-up, which is the primary cause of retaining wall failure. Every wall we build includes a comprehensive drainage solution.
Common Questions
Do I need council approval for a retaining wall in Brisbane?
In Brisbane, retaining walls over 1 metre in height generally require a building approval from Brisbane City Council. Walls over 1.5 metres require structural engineering certification. DG. Gardens manages the entire approval process on your behalf, including engineering documentation and council submissions.
How much do retaining walls cost in Brisbane?
Retaining wall costs vary significantly based on height, length, material, and site conditions. As a guide, natural stone retaining walls typically range from $800–$1,500 per lineal metre, concrete sleeper walls from $400–$800 per lineal metre, and corten steel walls from $600–$1,200 per lineal metre. We provide a detailed fixed-price quote after a site inspection.
What is the most durable retaining wall material?
For Brisbane's conditions, natural stone and architectural concrete are the most durable options. Natural stone walls, when properly constructed with adequate drainage, can last 50–100 years. Concrete sleeper walls typically have a 25–40 year lifespan. Corten steel is extremely durable and develops a beautiful patina over time. We recommend the material based on your specific site, aesthetic goals, and budget.
Ready to Transform
Your Outdoor Space?
Book a free design consultation and discover what's possible for your property.