Retaining Walls Gold Coast

The cost of a retaining wall on the Gold Coast depends on several factors, including:

• Wall height – Taller walls require more materials, stronger footings, and engineering.
• Soil type and site access – Difficult-to-access sites or properties with unstable soils can increase excavation and labour costs.
• Drainage requirements – Proper drainage is essential to prevent pressure buildup and wall failure, adding to the overall cost.
• Material choice – Treated timber is usually the most affordable, while concrete sleepers and masonry are more expensive but offer longer lifespans.
  Engineering and approvals – Some walls, especially over 1 metre high, require structural engineering and council approval, which adds to the total price.

As a general guide:

• Treated timber retaining walls usually start from $250 to $450 per square metre, for smaller walls under 1m.
• Concrete sleeper retaining walls typically start from $400 to $650 per square metre, for smaller walls up to 1m high, with higher costs for taller walls or complex sites.

For a more accurate quote tailored to your property, get in touch with us today!

The Gold Coast has a diverse mix of sandy coastal soils and clay-heavy soils further inland, each requiring a different approach to retaining wall construction.

For sandy soils, which drain quickly but shift easily, retaining walls need deep footings, strong reinforcement, and materials that resist movement. Concrete sleepers, engineered blocks, or stone walls are all excellent options, providing both stability and durability in loose sand.

For clay soils, which hold water, expand, and put extra pressure on walls, you need materials and designs that can handle shifting ground. Concrete sleeper walls, reinforced besser block walls, or engineered retaining walls with proper drainage systems are ideal for these conditions. Without proper drainage, walls in clay soil can buckle or fail prematurely.

If you’re planning a garden retaining wall, we’ll recommend materials that complement your landscaping while preventing erosion and ensuring long-term stability. Whether your soil is sandy, clay-based, or somewhere in between, we’ll design and build a retaining wall tailored to your site’s conditions.

Interlocking concrete blocks are designed for easy installation without the need for mortar. They fit together securely, providing a solid structure that is quick to build and cost-effective. These blocks work well for medium-height retaining walls and can be reinforced if needed. Besser blocks require mortar and often steel reinforcement to create a more rigid structure. They are ideal for engineered walls that need to support heavy loads or stand at greater heights.

If you are looking for a durable, engineered solution with a modern look, Besser block retaining walls are a great option as they can be rendered to create a smooth seamless surface. If speed and affordability are your priorities, interlocking concrete blocks can be a smart choice.

We’ll help you choose the best option based on your property’s needs, budget and stylistic preferences.

It depends. On the Gold Coast, retaining walls over one metre high require council approval, and will likely need engineering certification. If your wall is supporting a structure, built near a boundary, or affects stormwater flow, extra approvals may be needed. Additionally, if you are adding a fence on top of the wall, it can impact the approval requirements.

According to the Gold Coast City Council, walls under one metre high generally do not need approval unless they are in specific zoning areas or impact drainage. However, every property is different, and non-compliant walls can lead to costly fines or mandatory reconstruction. As Gold Coast retaining wall specialists, we ensure your project meets all local regulations and can assist with approvals if needed. Whether you need a small garden wall or a large structural solution, we’ll help you build safely and legally.

Call us today to get a free quote!

Yes, gabion retaining walls are highly effective for erosion control, especially on steep slopes, creek banks, and larger rural properties. Their rock-filled wire cages allow water to flow through, reducing pressure buildup and helping to prevent washouts — a key advantage over solid walls that can trap water. Their flexible design also adapts to slight ground movement without cracking, making them a reliable choice for unstable terrain.

However, gabion walls are not always the best option for smaller residential blocks. They require more space than other retaining wall types and their rough, industrial look may not suit landscaped suburban yards.

If you need a practical erosion control solution for a large or sloping property, gabion walls are a proven option. For compact yards or decorative garden walls, concrete sleepers, timber, or masonry walls may be better suited.

The timeline for building a retaining wall depends on the size, material, site conditions, and any additional features required. Smaller timber or concrete sleeper walls can often be completed in a few days, while larger, engineered walls may take a couple of weeks. Factors like ease of site access, excavation, drainage installation, and weather conditions can also impact the timeframe. We always aim for efficiency without compromising on quality, ensuring your retaining wall is built to last. When you work with DRE Building, we keep you updated every step of the way so you know exactly what to expect and when your project will be completed.

No, we do much more than just retaining walls! At DRE Building, we offer complete yard transformation packages, handling everything from decks, fencing, and concreting to patios, pools, and landscaping. With QBCC licences in carpentry and structural landscaping, we can take care of your entire outdoor space and indoor renovations without you needing to juggle multiple contractors. Whether you need a retaining wall with an integrated fence, a deck overlooking your pool, or a full backyard makeover, a brand new deck or an internal home renovation we have the expertise and skilled team to bring it all together seamlessly. Saving you time, money and stress of juggling multiple tradespeople.

Based in Pacific Pines we service all Gold Coast city council suburbs and towns in Northern NSW. Check out the list below for a full list of suburbs on the Gold Coast that we service.

• Advancetown
• Alberton
• Arundel
• Ashmore
• Beechmont
• Benobble
• Benowa
• Biddaddaba
• Biggera Waters
• Bilinga
• Birnam
• Bonogin
• Boyland
• Broadbeach
• Bundall
• Burleigh Heads
• Burleigh Waters
• Canungra
• Carrara
• Cedar Creek
• Chevron Island
• Clagiraba
• Clear Island Waters
• Coolangatta
• Coombabah
• Currumbin
• Currumbin Waters
• Currumbin Valley
• Eagle Heights
• Elanora
• Gaven
• Gilberton
• Gilston
• Guanaba
• Helensvale
• Highland Park
• Hollywell
• Hope Island
• Illanbah
• Isle of Capri
• Jacobs Well
• Kingsholme
• Kirra
• Labrador
• Lamington
• Lower Beechmont
• Luscombe
• Main Beach
• Maudsland
• Mermaid Beach
• Mermaid Waters
• Merrimac
• Miami
• Molendinar
• Mount Nathan
• Mount Tamborine
• Mudgeeraba
• Natural Bridge
• Nerang
• Neranwood
• Nobbys Beach
• Norwell
• Numinbah Valley
• Ormeau
• Oxenford
• Pacific Pines
• Palm Beach
• Paradise Point
• Parkwood
• Pimpama
• Reedy Creek
• Robina
• Runaway Bay
• Sanctuary Cove
• Southport
• Springbrook
• Stephens
• Surfers Paradise
• Tabragalba
• Tallai
• Tallebudgera
• The Spit
• Tugun
• Varsity Lakes
• Willowvale
• Witheren
• Wongawallan
• Wonglepong
• Worongary
• Yatala